CN107240641B - The preparation method of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide - Google Patents

The preparation method of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide Download PDF

Info

Publication number
CN107240641B
CN107240641B CN201710467699.6A CN201710467699A CN107240641B CN 107240641 B CN107240641 B CN 107240641B CN 201710467699 A CN201710467699 A CN 201710467699A CN 107240641 B CN107240641 B CN 107240641B
Authority
CN
China
Prior art keywords
earth
rare
resistance
hydrogenation
proton
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710467699.6A
Other languages
Chinese (zh)
Other versions
CN107240641A (en
Inventor
陈吉堃
姜勇
徐晓光
苗君
吴勇
孟康康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Science and Technology Beijing USTB
Original Assignee
University of Science and Technology Beijing USTB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Science and Technology Beijing USTB filed Critical University of Science and Technology Beijing USTB
Priority to CN201710467699.6A priority Critical patent/CN107240641B/en
Publication of CN107240641A publication Critical patent/CN107240641A/en
Application granted granted Critical
Publication of CN107240641B publication Critical patent/CN107240641B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/20Multistable switching devices, e.g. memristors
    • H10N70/24Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/011Manufacture or treatment of multistable switching devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/881Switching materials
    • H10N70/883Oxides or nitrides
    • H10N70/8836Complex metal oxides, e.g. perovskites, spinels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)

Abstract

A kind of preparation and application method of the varistor based on hydrogenation rare-earth Ni-base oxide, belong to electron strong correlation material and field of electronic devices.The present invention, which is increased by adulterating proton in material with electric field strength, to be occurred gradually to migrate to trigger in material nickel element from the opposite weak electron non-local state metal of strong correlation electron localized modes insulator or semiconductor phase transition, to realize material resistance with the variation of applied voltage, i.e. realization current-voltage non-linear variation relation.Migration activation energy and soft breakdown characteristic of the proton in hydrogenation rare-earth Ni-base perovskite oxide are controlled by conditions such as the rare earth element type of control material, crystal structure, crystal particle crystal boundary state, stress states, to realize the control to material nonlinearity resistance dynamic changing process.Present invention can apply to varistor, filtering and rectifications, electric signal sensing, overvoltage protection etc..Compared with the traditional pressure sensitives non-linear resistance material such as zinc oxide, titanium oxide, device prepared by the present invention is more suitable for reducing atmosphere.

Description

The preparation method of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide
Technical field
The invention belongs to electron strong correlation material and field of electronic devices, are related to a kind of based on hydrogenation rare-earth Ni-base perovskite The preparation method of the nonlinear resistance of oxide.
Background technique
Rare-earth Ni-base perovskite oxide (ReNiO3: Re=Sm, Nd, Eu etc.) be a kind of classics metal insulator phase turn Change (MIT) electron strong correlation state material [Nat.Commun., 2014,5,4860;Appl.Phys.Lett.,2015,107, 031905;Phys.Rev.Lett.,1999,82,3871;Phys.Rev.B,2004,69,153105; PhaseTransitions,2008,81,729].It realizes the key changed from metallic state (or semiconductor form) to insulation posture It is the relative adjustment by additional condition to nickel element valence state and nickel oxygen key angle.Except having and classical vanadium dioxide (VO2) similar temperature causes outside phase-change characteristic, by protium to ReNiO3It carries out electron adulterated to trigger its electron strong correlation Effect cause nickel element to be reduced into for electron orbit recombination be changed into high localized modes so that resistivity of material sharply increases 4-6 A order of magnitude [Nat.Commun., 2014,5,4860].At the same time, ReNiO3The proton of middle incorporation is in concentration gradient, electric field The effects of under there is certain transportable characteristic, this has greatly widened hydrogenation ReNiO3Turn in function electronic device and hydrogen energy source Application space in parallel operation part.Such as 2016, Y.Zhou etc. utilizes H-SmNiO3Proton conductive electronic isolation characteristic will HSmNiO3Applied to fuel cell solid-state electrolyte, realize excellent electrochemical energy conversion performance [Nature, 2016, Doi:10.1038/nature17653].2014, J.Shi etc. was using proton in HSmNiO3In electromigration characteristic be prepared for Applied to Metal Oxide Semiconductor Field Effect Transistor (MOSFET).By the way that SmNiO will be hydrogenated3As MOSFET channel layer, Using electric field controls proton in H-SmNiO3In relative migration can de-activated hydrogen cause phase transformation, realize between electric conduction source drain Flow the adjusting [Nat.Commun., 2014,5,4860] of nearly 6 orders of magnitude.
The related rare-earth Ni-base perovskite compound (or hydrogenation rare-earth Ni-base perovskite compound) reported at present is in electronics Application in terms of device is based primarily upon the variation that protium doping changes material static DC resistance.Such as by H-SmNiO3Make For the channel layer (grid) of transistor, distribution of the proton in channel layer is controlled by electrode polarization, thus realize source electrode and The adjusting variation of height configuration is shown in drain electrode.In contrast, for hydrogenation rare-earth Ni-base compound in strong dc electric field or alternating current The practical application of nonlinear resistance reversible change due to caused by proton local migration there is no report under field action.We have found that Migration occurs under the effect of certain activation energy and reduces and nickel oxygen octahedra for the proton mixed in hydrogenation rare-earth Ni-base compound Bonding action, so as to cause material resistance nonlinear change.This characteristic makes the hydrogenatable non-linear electricity of rare-earth Ni-base compound Resistance device can be applied to varistor, filtering and rectification, electric signal sensing, overvoltage protection etc..Compared to zinc oxide, oxidation The conventional oxides non-linear resistance material such as titanium, hydrogenation rare-earth Ni-base compound nonlinear resistance are particularly suitable for reproducibility gas Atmosphere.
Summary of the invention
The purpose of the present invention is to provide a kind of nonlinear resistance preparations based on hydrogenation rare-earth Ni-base perovskite oxide Method is increased with electric field strength by doping proton (protium) in material and occurs gradually to migrate to trigger nickel element in material It must change from strong correlation electron localized modes (insulator phase) to weak electron non-local state (metal or semiconductor phase), to realize material Expect resistance with the variation (i.e. realization current-voltage non-linear variation relation) of applied voltage.By the rare earth element for controlling material The conditions such as type, crystal structure, crystal particle crystal boundary state, stress state control proton in hydrogenation rare-earth Ni-base perovskite oxide Migration activation energy and migration characteristic, to realize control to material nonlinearity resistance dynamic changing process.The hydrogenation is dilute The Ni-based perovskite oxide nonlinear resistance of soil can be applied to varistor, filtering and rectification, electric signal sensing, overvoltage protection etc. Aspect tool.Compared with the traditional pressure sensitives non-linear resistance material such as zinc oxide, titanium oxide, nonlinear resistance of the present invention is more applicable In reducing atmosphere.
A kind of preparation method of the nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide, which comprises
Rare-earth Ni-base perovskite oxide block or thin-film material are provided, on rare-earth Ni-base perovskite oxide material surface It prepares hydrogenating catalytic electrode material array and anneals under hydrogen atmosphere or by Electrochemical hydriding process, realize to rare-earth Ni-base The hydrogenation treatment and proton of perovskite compound material are adulterated.
Using two different catalysis electrodes or a catalysis electrode and a hearth electrode as the input/output terminal of electric signal. When triggering can be lower than proton activation energy, the oxygen atom in the proton and nickel oxygen octahedra mixed in rare-earth Ni-base compound is hydrogenated In at bonded state, material is in high resistance state;When triggering can be higher than proton activation energy, hydrogenate in rare-earth Ni-base compound Oxygen atom of the proton of incorporation from nickel oxygen octahedra is activated at bonded state, so that material be made to be in low because of soft breakdown Resistance states realize the dynamic characteristic of non-linear resistance variation.
Further, the crystal structure of the rare-earth Ni-base perovskite oxide material is ABO3Perovskite structure ReNiO3: Re (A) combinations for Rare Earth Elements Determination or a variety of rare earth elements, preferably samarium (Re=Sm), neodymium (Re=Nd), Europium (Re=Eu), praseodymium (Re=Pr), samarium neodymium (Re=SmxNd1-x, 0 < x < 1), samarium praseodymium (Re=SmxPr1-x, 0 < x < 1), europium neodymium (Re =EuxNd1-x, 0 < x < 1);Europium spreads (Re=EuxPr1-x, 0 < x < 1);Nickel element (Ni) occupies the position the B in perovskite structure.
Further, the rare-earth Ni-base perovskite oxide material is thin-film material, and thickness is micro- to 100 between 1 nanometer Between rice, the quasi- monocrystalline thin-film material or polycrystalline material of the epitaxial growth in single crystalline substrate can be.
Further, the hydrogenation process is included under the catalyst such as platinum, palladium and is heat-treated in hydrogen, or passes through electrochemistry Reaction is to ReNiO3Carry out proton doping.
Further, the trigger action and trigger energy include: the direct current formed by direct current or alternating voltage or friendship Power transformation field action, pulse or the effect of continuous photon etc..
Further, the activation can be subject to reality by applying the processes such as external voltage, light triggering, ultrasound triggering It is existing.
Further, thick by changing material component, crystal structure and crystal orientation, the film of rare-earth Ni-base thin-film material Stress state, hydrogenation electrode arrangements, device architecture etc. adjust proton activation energy and soft breakdown critical voltage between degree, substrate and film Value, so that the nonlinear change characteristic to material resistance is adjusted control.
Further, nonlinear resistance prepared by the present invention can be applied to varistor, filtering and rectification, electric signal passes Sense, overvoltage protection etc., and it is suitable for reducing atmosphere.
The present invention after extensive and in-depth study, by improving preparation process, obtains a kind of based on hydrogenation rare earth nickel The nonlinear resistance preparation method of based perovskite oxide.Technical concept of the invention is: utilizing hydrogenation rare-earth Ni-base chemical combination Migration occurs for the proton mixed in object and reduces to cause material with the bonding action of nickel oxygen octahedra under the effect of certain activation energy Soft breakdown, make instantaneous reduction of the resistance under corresponding trigger condition, realize non-linear resistance variation.Prepared device can be applied In varistor, filtering and rectification, electric signal sensing, overvoltage protection etc..Compared to conventional oxidations such as zinc oxide, titanium oxide Object non-linear resistance material, hydrogenation rare-earth Ni-base compound nonlinear resistance are particularly suitable for reducing atmosphere.
Detailed description of the invention
Fig. 1 is that the two-way hydrogenation rare-earth Ni-base oxide perovskite oxide based on strip platinum catalysis electrode is non-linear Resistance schematic diagram.
Fig. 2 is that the two-way hydrogenation rare-earth Ni-base oxide perovskite oxide based on strip platinum catalysis electrode is non-linear The I-V characteristic figure of resistance.As can be seen that output electric current sharply increases, resistance when applied positive and negative bi-directional voltage is more than 5V Device resistance value reduces.
Fig. 3 is that the unidirectional hydrogenation rare-earth Ni-base oxide perovskite oxide based on cylindric platinum catalysis electrode is non-thread Property resistance schematic diagram.
Fig. 4 is that the unidirectional hydrogenation rare-earth Ni-base oxide perovskite oxide based on cylindric platinum catalysis electrode is non-thread The I-V characteristic figure of property resistance.As can be seen that output electric current sharply increases, resistance device when applied negative voltage is more than 5V Resistance value reduces.
Fig. 5 is unidirectional hydrogenation rare-earth Ni-base oxide perovskite oxide nonlinear resistance in dark and visible illumination condition Under I-V characteristic figure.As can be seen that output electric current sharply increases, and resistance device resistance value subtracts under radiation of visible light triggering It is small.
Specific embodiment
Unless specific instructions, various raw materials of the invention can be by being commercially available;Or the routine side according to this field Method is prepared.Unless otherwise defined or described herein, all professional and scientific terms and art technology used herein are ripe It is identical to practice meaning known to personnel.Furthermore any method similar to or equal to what is recorded and material all can be applied to this In inventive method.
Other aspects of the present invention are apparent to those skilled in the art due to this disclosure 's.
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In the following examples, the experimental methods for specific conditions are not specified, usually according to conventional strip Part, or carry out according to the normal condition proposed by manufacturer.
Embodiment 1:
Pt/H-SmNiO3/ Si electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: in side length 10 The square silicon lining of millimeter grows 200 nanometers of samarium nickel oxygen (SmNiO3) polycrystal film.Strip metal platinum is prepared in film surface Catalysis electrode, electrode size: it is 10 millimeters long, it is 0.5 millimeter wide, it is 100 nanometers thick;Platinum item arrangement parallel to each other in array, 1 milli of spacing Rice.The samarium nickel oxygen thin-film material for being deposited with platinum catalytic electrode array is placed in 1%H2It is moved back in/He mixed gas in 300 degrees Celsius Fire 30 minutes carries out hydrogenation treatment.In actual use, using two adjacent platinum catalytic electrodes as signal input output end, Between application voltage two electrodes of measurement and measure electric current.Fig. 1 illustrates device architecture.Fig. 2 illustrates measurement I-V relation curve, It can be seen that when applied positive and negative bi-directional voltage is more than 5V, H-SmNiO3In proton be activated cause hydrogen cause insulator phase Change degree becomes smaller, and output electric current sharply increases, and resistance device resistance value reduces.It is made in the application of practical overvoltage crowbar Standby Pt/H-SmNiO3Device is used in parallel with protected device, when additional AC or DC voltage is excessive, Pt/H-SmNiO3Device Part resistance reduces, to realize the purpose of divided current.
Embodiment 2:
Pt/H-SmNiO3/SrRuO3/ Si electricity triggers the preparation and application method of unidirectional nonlinear resistance, specific as follows: 10 millimeters of side length of square silicon lining grows 100 nanometers of strontium rubidium oxygen film hearth electrodes, and 200 nanometers of samarium nickel are grown on hearth electrode Oxygen (SmNiO3) polycrystal film.Cylindrical metal platinum catalytic electrode is prepared in film surface, electrode size: 50 microns of diameter, thick 100 nanometers;Platinum electrode in permutation presses square two lattice arrangements, and 150 microns of platinum electrode spacing.Platinum catalysis electricity will be deposited with The samarium nickel oxygen film of pole array is placed in 1%H2It anneals 30 minutes in/He mixed gas in 300 degrees Celsius, carries out hydrogenation treatment.? In actual use, platinum catalytic electrode applies voltage simultaneously to measurement end as signal input output end using hearth electrode and one by one Measure electric current.Fig. 1 illustrates device architecture.Fig. 2 illustrates measurement I-V relation curve, it can be seen that bears two-way electricity when applying When pressure is more than 5V, H-SmNiO3In proton be activated cause hydrogen cause insulator phase transition degree become smaller, output electric current sharply increase, Resistance device resistance value reduces.In the application of practical overvoltage crowbar, prepared Pt/H-SmNiO3/SrRuO3Device with protected It is used in parallel to protect device, when applied voltage is excessive, Pt/H-SmNiO3Device resistance reduces, to realize the mesh of divided current 's.It is different from embodiment 1, it is easier since proton is migrated to platinum electrode compared to hearth electrode in embodiment 2, thus device has list To soft breakdown I-V characteristic, in addition to for overvoltage protection, and can connect in electronic device to realize the purpose of rectification.
Embodiment 3:
Pt/H-SmNiO3/SrTiO3Electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: in side length 10 millimeters of square strontium titanates (SrTiO3) 200 nanometers of samarium nickel oxygen (SmNiO of lining growth3) polycrystal film, it is grown by control Condition makes thin-film material extension coherent growth, i.e., subject to film monocrystal material and be in tensile stress state.In film surface system Standby strip metal platinum catalytic electrode, electrode size: it is 10 millimeters long, it is 0.5 millimeter wide, it is 100 nanometers thick;Platinum item is parallel to each other in array Arrangement, 1 millimeter of spacing.The samarium nickel oxygen thin-film material for being deposited with platinum catalytic electrode array is placed in 1%H2In/He mixed gas in 300 degrees Celsius are annealed 30 minutes, and hydrogenation treatment is carried out.In actual use, using two adjacent platinum catalytic electrodes as signal Input/output terminal between application voltage two electrodes of measurement and measures electric current.When applied positive and negative bi-directional voltage is more than 70V, H- SmNiO3In proton be activated cause hydrogen cause insulator phase transition degree become smaller, output electric current sharply increase, resistance device resistance Value reduces.Compared to the samarium nickel oxygen polycrystalline material in embodiment 1, prepared thin film grain-boundary ratio is substantially reduced in embodiment 3, The potential barrier overcome needed for proton activation migration greatly improves, therefore device soft breakdown voltage increases.
Embodiment 4:
Pt/H-SmNiO3/LaAlO3Electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: in side length 10 millimeters of square lanthanum alumina (LaAlO3) 200 nanometers of samarium nickel oxygen (SmNiO of lining growth3) polycrystal film, it is grown by control Condition makes thin-film material identical as substrate high preferred orientation, but symbiosis and epibiosis by edge dislocation relaxation, i.e. film is quasi- monocrystalline material Material and interfacial stress relaxation.Strip metal platinum catalytic electrode is prepared in film surface, electrode size: 10 millimeters long, wide 0.5 milli Rice is 100 nanometers thick;Platinum item arrangement parallel to each other in array, 1 millimeter of spacing.The samarium nickel oxygen of platinum catalytic electrode array will be deposited with Thin-film material is placed in 1%H2It anneals 30 minutes in/He mixed gas in 300 degrees Celsius, carries out hydrogenation treatment.It is actually using In, using two adjacent platinum catalytic electrodes as signal input output end, between application voltage two electrodes of measurement and measure electric current. When applied positive and negative bi-directional voltage is more than 45V, H-SmNiO3In proton be activated cause hydrogen cause insulator phase transition degree become Small, output electric current sharply increases, and resistance device resistance value reduces.The crystal defect of prepared film is compared to real in embodiment 4 It applies example 3 to increase, therefore the potential barrier overcome needed for proton activation migration decreases, therefore device soft breakdown voltage is relatively real Example 3 is applied to decrease.
Embodiment 5:
Pt/H-NdNiO3/ Si electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: in side length 10 The square silicon lining of millimeter grows 50 nanometers of neodymium nickel oxygen (NdNiO3) polycrystal film.Strip metal platinum is prepared in film surface to urge Polarizing electrode, electrode size: it is 10 millimeters long, it is 0.5 millimeter wide, it is 100 nanometers thick;Platinum item arrangement parallel to each other in array, 1 milli of spacing Rice.The samarium nickel oxygen thin-film material for being deposited with platinum catalytic electrode array is placed in 1%H2It is moved back in/He mixed gas in 300 degrees Celsius Fire 30 minutes carries out hydrogenation treatment.In actual use, using two adjacent platinum catalytic electrodes as signal input output end, Between application voltage two electrodes of measurement and measure electric current.When applied positive and negative bi-directional voltage is more than 0.5V, H-NdNiO3In Proton, which is activated, causes hydrogen that insulator phase transition degree is caused to become smaller, and output electric current sharply increases, and resistance device resistance value reduces.With reality It applies example 1 to compare, embodiment 5 reduces the soft breakdown voltage of device by changing rare earth element in rare-earth Ni-base compound.
Embodiment 6:
Pt/H-EuNiO3/ Si electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: in side length 10 The square silicon lining of millimeter grows 1 micron of europium nickel oxygen (EuNiO3) polycrystal film.Strip metal platinum is prepared in film surface to urge Polarizing electrode, electrode size: it is 10 millimeters long, it is 0.5 millimeter wide, it is 100 nanometers thick;Platinum item arrangement parallel to each other in array, 1 milli of spacing Rice.The samarium nickel oxygen thin-film material for being deposited with platinum catalytic electrode array is placed in 1%H2It is moved back in/He mixed gas in 300 degrees Celsius Fire 30 minutes carries out hydrogenation treatment.In actual use, using two adjacent platinum catalytic electrodes as signal input output end, Between application voltage two electrodes of measurement and measure electric current.When applied positive and negative bi-directional voltage is more than 7V, H-EuNiO3In matter Son, which is activated, causes hydrogen that insulator phase transition degree is caused to become smaller, and output electric current sharply increases, and resistance device resistance value reduces.With implementation Example 1 is compared, and embodiment 6 improves the soft breakdown voltage of device by changing rare earth element in rare-earth Ni-base compound.
Embodiment 7:
Pt/H-PrNiO3/ Si electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: in side length 10 The square silicon lining of millimeter grows 5 nanometers of praseodymium nickel oxygen (PrNiO3) polycrystal film.Strip metal platinum is prepared in film surface to urge Polarizing electrode, electrode size: it is 10 millimeters long, it is 0.5 millimeter wide, it is 100 nanometers thick;Platinum item arrangement parallel to each other in array, 1 milli of spacing Rice.The samarium nickel oxygen thin-film material for being deposited with platinum catalytic electrode array is placed in 1%H2It is moved back in/He mixed gas in 300 degrees Celsius Fire 30 minutes carries out hydrogenation treatment.In actual use, using two adjacent platinum catalytic electrodes as signal input output end, Between application voltage two electrodes of measurement and measure electric current.When applied positive and negative bi-directional voltage is more than 0.7V, H-NdNiO3In Proton, which is activated, causes hydrogen that insulator phase transition degree is caused to become smaller, and output electric current sharply increases, and resistance device resistance value reduces.With reality It applies example 1 to compare, embodiment 7 reduces the soft breakdown voltage of device by changing rare earth element in rare-earth Ni-base compound.
Embodiment 8:
Pt/H-Sm0.5Eu0.5NiO3/ Si electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: 10 millimeters of side length of square silicon lining grows 1 micron of samarium europium nickel oxygen (Sm0.5Eu0.5NiO3) polycrystal film.In film surface system Standby strip metal platinum catalytic electrode, electrode size: it is 10 millimeters long, it is 0.5 millimeter wide, it is 100 nanometers thick;Platinum item is parallel to each other in array Arrangement, 1 millimeter of spacing.The samarium nickel oxygen thin-film material for being deposited with platinum catalytic electrode array is placed in 1%H2In/He mixed gas in 300 degrees Celsius are annealed 30 minutes, and hydrogenation treatment is carried out.In actual use, using two adjacent platinum catalytic electrodes as signal Input/output terminal between application voltage two electrodes of measurement and measures electric current.When applied positive and negative bi-directional voltage is more than 6V, H- Sm0.5Eu0.5NiO3In proton be activated cause hydrogen cause insulator phase transition degree become smaller, output electric current sharply increase, resistor Part resistance value reduces.Compared with Example 1, embodiment 8 improves device by changing rare earth element in rare-earth Ni-base compound Soft breakdown voltage.
Embodiment 9:
Pd/H-Sm0.5Nd0.5NiO3/ Si electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: 10 millimeters of side length of square silicon lining grows 1 micron of samarium neodymium nickel oxygen (Sm0.5Nd0.5NiO3) polycrystal film.In film surface system Standby strip metal palladium chtalyst electrode, electrode size: it is 10 millimeters long, it is 0.5 millimeter wide, it is 100 nanometers thick;Palladium item is parallel to each other in array Arrangement, 1 millimeter of spacing.The samarium nickel oxygen thin-film material for being deposited with palladium chtalyst electrod-array is placed in 1%H2In/He mixed gas in 300 degrees Celsius are annealed 30 minutes, and hydrogenation treatment is carried out.In actual use, using two adjacent platinum catalytic electrodes as signal Input/output terminal between application voltage two electrodes of measurement and measures electric current.When applied positive and negative bi-directional voltage is more than 2V, H- Sm0.5Nd0.5NiO3In proton be activated cause hydrogen cause insulator phase transition degree become smaller, output electric current sharply increase, resistor Part resistance value reduces.Compared with Example 1, embodiment 9 improves device by changing rare earth element in rare-earth Ni-base compound Soft breakdown voltage.
Embodiment 10:
Pt/H-SmNiO3/ Si electricity triggers the preparation and application method of two-way nonlinear resistance, specific as follows: in side length 10 The square silicon lining of millimeter grows 200 nanometers of samarium nickel oxygen (SmNiO3) polycrystal film.Strip metal platinum is prepared in film surface Catalysis electrode, electrode size: it is 10 millimeters long, it is 0.5 millimeter wide, it is 100 nanometers thick;Platinum item arrangement parallel to each other in array, 1 milli of spacing Rice.The samarium nickel oxygen thin-film material aluminium foil for being deposited with platinum catalytic electrode array is wrapped up as quiet in the dilute hydrochloric acid of 0.01mol/L It sets 30 seconds, completes hydrogenation.In hydrogenation process, the two poles of the earth of samarium nickel oxygen and aluminium foil respectively as primary battery: aluminium betatopic is oxidized, Proton is spread into samarium nickel oxygen realizes protium doping.In actual use, using two adjacent platinum catalytic electrodes as signal Input/output terminal between application voltage two electrodes of measurement and measures electric current.Fig. 1 illustrates device architecture.When applied positive and negative double When being more than 5V to voltage, H-SmNiO3In proton be activated cause hydrogen cause insulator phase transition degree become smaller, output electric current sharply Increase, resistance device resistance value reduces.
Embodiment 11:
Pt/H-SmNiO3/ Si light triggers the preparation and application method of two-way nonlinear resistance, specific as follows: in side length 10 The square silicon lining of millimeter grows 100 nanometers of strontium rubidium oxygen film hearth electrodes, and 100 nanometers of samarium nickel oxygen are grown on hearth electrode (SmNiO3) polycrystal film.Cylindrical metal platinum catalytic electrode is prepared in film surface, electrode size: 50 microns of diameter, thickness 100 Nanometer;Platinum electrode in permutation presses square two lattice arrangements, and 150 microns of platinum electrode spacing.Platinum catalytic electrode will be deposited with The samarium nickel oxygen film of array is placed in 1%H2It anneals 30 minutes in/He mixed gas in 300 degrees Celsius, carries out hydrogenation treatment.In reality Border is in use, platinum catalytic electrode is as signal input output end using hearth electrode and one by one, respectively in dark and visible light illumination Under the conditions of apply voltage between (100W incandescent light source) measurement end and measure electric current.Fig. 5 illustrates measurement I-V relation curve, can To find out under visible light illumination, H-SmNiO3In proton be activated cause hydrogen cause insulator phase transition degree become smaller, output electricity Stream sharply increases, and resistance device resistance value reduces.Embodiment 11 shows in addition to using applied voltage, can also use light source and draws Play the nonlinear change of prepared hydrogenation rare-earth Ni-base perovskite compound resistance device.
Embodiment 12:
Pt/H-SmNiO3/SrRuO3/ Si light triggers the preparation and application method of unidirectional nonlinear resistance, specific as follows: 10 millimeters of side length of square silicon lining grows 100 nanometers of strontium rubidium oxygen film hearth electrodes, and 100 nanometers of samarium nickel are grown on hearth electrode Oxygen (SmNiO3) polycrystal film.Cylindrical metal platinum catalytic electrode is prepared in film surface, electrode size: 50 microns of diameter, thick 100 nanometers;Platinum electrode in permutation presses square two lattice arrangements, and 150 microns of platinum electrode spacing.Platinum catalysis electricity will be deposited with The samarium nickel oxygen film of pole array is placed in 1%H2It anneals 30 minutes in/He mixed gas in 300 degrees Celsius, carries out hydrogenation treatment.? In actual use, using hearth electrode and a platinum catalytic electrode as signal input output end, received respectively in dark and wavelength for 248 Apply voltage between measurement end under rice ultraviolet laser triggers and measures electric current.Under laser triggering, H-SmNiO3In proton lived Change causes hydrogen that insulator phase transition degree is caused to become smaller, and output electric current sharply increases, and resistance device resistance value reduces.
The foregoing is merely illustrative of the preferred embodiments of the present invention, the substantial technological content model being not intended to limit the invention It encloses, substantial technological content of the invention is broadly defined in the scope of the claims of application, any technology that other people complete Entity or method also or a kind of equivalent change, will if identical with defined in the scope of the claims of application It is considered as being covered by among the scope of the claims.

Claims (5)

1. a kind of nonlinear resistance preparation method based on hydrogenation rare-earth Ni-base perovskite oxide, which is characterized in that provide dilute The Ni-based perovskite oxide block of soil or thin-film material prepare hydrogenating catalytic electricity on rare-earth Ni-base perovskite oxide material surface Pole material array is simultaneously annealed under hydrogen atmosphere or by Electrochemical hydriding process, is realized to rare-earth Ni-base perovskite compound material The hydrogenation treatment and proton of material are adulterated;
Using two different catalysis electrodes or a catalysis electrode and a hearth electrode as the input/output terminal of electric signal;Work as touching When hair can be lower than proton activation energy, hydrogenates the proton mixed in rare-earth Ni-base compound and be in the oxygen atom in nickel oxygen octahedra At bonded state, material is in high resistance state;When triggering can be higher than proton activation energy, hydrogenates and mixed in rare-earth Ni-base compound Oxygen atom of the proton from nickel oxygen octahedra be activated at bonded state, so that material be made to be in low resistance because of soft breakdown State realizes the dynamic characteristic of non-linear resistance variation;By the material component, the crystal structure that change rare-earth Ni-base thin-film material Stress state, hydrogenation electrode arrangements, device architecture adjust proton activation energy between crystal orientation, film thickness, substrate and film With soft breakdown critical voltage value, so that the nonlinear change characteristic to material resistance is adjusted control;
The crystal structure of the rare-earth Ni-base perovskite oxide material is ABO3Perovskite structure ReNiO3: A i.e. Re be The combination of Rare Earth Elements Determination or a variety of rare earth elements selects Re=Sm, Re=Nd, Re=Eu, Re=Pr, Re=SmxNd1-x, 0 < x < 1, Re=SmxPr1-x, 0 < x < 1, Re=EuxNd1-x, 0 < x < 1, Re=EuxPr1-x, 0 < x < 1;Nickel element occupies perovskite knot The position B in structure;
The rare-earth Ni-base perovskite oxide material is thin-film material, and between 1 nanometer to 100 microns, selection exists thickness The quasi- monocrystalline thin-film material or polycrystalline material of epitaxial growth in single crystalline substrate.
2. a kind of preparation side of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide as described in claim 1 Method, which is characterized in that the hydrogenation process is included under platinum, palladium catalyst to be heat-treated in hydrogen, or passes through electrochemical reaction To ReNiO3Carry out proton doping;Electrochemical action selects galvanic interaction.
3. a kind of preparation side of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide as described in claim 1 Method, which is characterized in that the trigger action and trigger energy includes: the direct current or alternation electricity formed by direct current or alternating voltage Field action, pulse or the effect of continuous photon.
4. a kind of preparation side of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide as described in claim 1 Method, which is characterized in that the activation is by applying outer direct current or exchange external voltage, pulse or the triggering of continuous light, ultrasound touching Hair process is realized.
5. the application method of the nonlinear resistance of the method as described in claim 1 preparation, which is characterized in that prepared non-linear In terms of resistance is for varistor, filtering and rectification, electric signal sensing, overvoltage protection, and it is suitable for reducing atmosphere.
CN201710467699.6A 2017-06-20 2017-06-20 The preparation method of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide Active CN107240641B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710467699.6A CN107240641B (en) 2017-06-20 2017-06-20 The preparation method of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710467699.6A CN107240641B (en) 2017-06-20 2017-06-20 The preparation method of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide

Publications (2)

Publication Number Publication Date
CN107240641A CN107240641A (en) 2017-10-10
CN107240641B true CN107240641B (en) 2019-09-10

Family

ID=59987850

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710467699.6A Active CN107240641B (en) 2017-06-20 2017-06-20 The preparation method of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide

Country Status (1)

Country Link
CN (1) CN107240641B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109133201A (en) * 2018-09-19 2019-01-04 北京科技大学 Based on the Ni-based perovskite oxide material of A codopes of multicomponent and application method
CN109490381B (en) * 2018-11-19 2020-06-02 北京科技大学 Energy disturbance cross bidirectional detection method based on rare earth nickel-based perovskite compound
CN109503165B (en) * 2018-12-13 2020-06-05 北京科技大学 Synthesis method of metastable state rare earth nickel-based perovskite oxide powder material
CN109859916B (en) * 2019-01-15 2021-06-01 北京科技大学 Delta temperature zone resistance based on rare earth nickel-based perovskite compound
CN110146199B (en) * 2019-05-09 2021-01-15 北京科技大学 Pressure detection method based on metastable-phase rare earth nickel-based oxide
CN110823401B (en) * 2019-10-28 2020-09-18 北京科技大学 Method for using active Delta temperature zone resistor based on extreme impedance of variable frequency temperature zone
CN113376436B (en) * 2021-05-26 2023-12-15 北京科技大学 Electric field detection method based on strong correlation oxide impedance frequency response
CN114436655A (en) * 2022-01-25 2022-05-06 北京科技大学 Composite modification method for strength of rare earth nickel-based oxide electronic phase change material
CN115888739B (en) * 2022-11-07 2024-08-20 北京科技大学 Rare earth nickel oxide electronic phase-change semiconductor methane synthesis catalyst and use method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10600959B2 (en) * 2013-11-01 2020-03-24 President And Fellows Of Harvard College Dopant-driven phase transitions in correlated metal oxides

Also Published As

Publication number Publication date
CN107240641A (en) 2017-10-10

Similar Documents

Publication Publication Date Title
CN107240641B (en) The preparation method of nonlinear resistance based on hydrogenation rare-earth Ni-base perovskite oxide
Laurenti et al. Zinc oxide thin films for memristive devices: a review
Gan et al. Composite oxygen electrode based on LSCM for steam electrolysis in a proton conducting solid oxide electrolyzer
Nahm Effect of dopant (Al, Nb, Bi, La) on varistor properties of ZnO–V2O5–MnO2–Co3O4–Dy2O3 ceramics
Yang et al. Stability investigation for symmetric solid oxide fuel cell with La0. 4Sr0. 6Co0. 2Fe0. 7Nb0. 1O3-δ electrode
Ismail et al. Coexistence of bipolar and unipolar resistive switching in Al-doped ceria thin films for non-volatile memory applications
Van de Krol et al. Electroceramics—the role of interfaces
Gorshkov et al. Resistive switching in metal-insulator-metal structures based on germanium oxide and stabilized zirconia
US10600959B2 (en) Dopant-driven phase transitions in correlated metal oxides
Zhang et al. Realization of rectifying and resistive switching behaviors of TiO2 nanorod arrays for nonvolatile memory
Jacobsen et al. Hysteresis in the solid oxide fuel cell cathode reaction
Ashraf et al. Microstructure and electrical properties of Sm2O3 doped Bi2O3-based ZnO varistor ceramics
Chen et al. Trap-assisted tunneling resistance switching effect in CeO2/La0. 7 (Sr0. 1Ca0. 9) 0.3 MnO3 heterostructure
Nahm Effect of sintering temperature on varistor properties and aging characteristics of ZnO–V2O5–MnO2 ceramics
Polat et al. The temperature induced current transport characteristics in the orthoferrite YbFeO3− δ thin film/p-type Si structure
Sahu et al. Bipolar resistive switching in HoCrO3 thin films
CN105355714B (en) Double-layer perovskite film with ferroelectric and semiconductor photovoltaic effects
Wei et al. Anodic polarization induced performance loss in GdBaCo2O5+ δ oxygen electrode under solid oxide electrolysis cell conditions
WO2010147073A1 (en) Resistive switching memory device
Shen et al. Bipolar resistive switching of Pt/Ga2O3− x/SiC/Pt thin film with ultrahigh OFF/ON resistance ratios
Zhao et al. A low leakage current (Co, Mn, Ta)-SnO2 varistor tailored by doping with chromium for power grids
Chen et al. Enhanced nonlinear current–voltage behavior in Au nanoparticle dispersed CaCu3Ti4O12 composite films
Wang et al. Effects of oxygen vacancy concentration and temperature on memristive behavior of SrRuO3/Nb: SrTiO3 junctions
Kawada et al. High temperature transport properties at metal/SrTiO3 interfaces
Jia et al. Resistive switching characteristics of Pt/Nb: SrTiO 3/LaNiO 3 heterostructure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant