CN102288844A - Method for integration of electrode on diamond anvil cell - Google Patents

Method for integration of electrode on diamond anvil cell Download PDF

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CN102288844A
CN102288844A CN2011101262169A CN201110126216A CN102288844A CN 102288844 A CN102288844 A CN 102288844A CN 2011101262169 A CN2011101262169 A CN 2011101262169A CN 201110126216 A CN201110126216 A CN 201110126216A CN 102288844 A CN102288844 A CN 102288844A
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diamond
boron
anvil
electrode
film
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CN102288844B (en
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高春晓
刘才龙
韩永昊
吴宝嘉
李明
任万彬
苏宁宁
王庆林
李玉强
张俊凯
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Jilin University
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Jilin University
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Abstract

The invention relates to a method for integration of electrodes on a diamond anvil cell. Boron-doped diamond electrodes are prepared on a diamond anvil by adopting the nano seedling technology, the film deposition technology and the ion beam etching technology. Film deposition comprises deposition of a boron-doped diamond film used as an electrode and deposition of an aluminum oxide film used in a protective layer during preparation. The whole diamond anvil is bombed through argon ion beams, the boron-doped diamond film in insulating strips among the design electrodes are broken finally to form electrodes, the problem of electrode conduction caused by breakage of the cover film formed in selective deposition of the boron-doped diamond film at high temperature can be avoided, and the rate of success in preparation of the diamond electrodes on the metal anvil can be improved.

Description

The method of Integrated electrode on the adamas opposed anvils
Technical field
The invention belongs to the technical field of high-tension unit, particularly a kind of method for making that is used for the electrode of original position electric parameter measurement on the adamas opposed anvils.
Background technology
Adamas opposed anvils (DAC) is the ultra-high pressure apparatus that generally uses in the world at present, is fit to and the supporting in site measurement of carrying out physical quantity under the High Temperature High Pressure of various test.Combine with electrical devices, can carry out the in site measurement of high pressure electrical quantities.Situ high pressure electrical measurement structure of matter phase transformation and electronic structure phase transformation under the reflection extreme condition, survey the metallization phase transformation, find to press and cause aspect the superconducting phenomenon, being proved is a kind of efficient and simple method.
By the end of so far, in the experimental provision about the experiment of high pressure electric parameter measurement of all reports, employed electrode generally is divided into two kinds: a kind of is metal electrode, and another kind is a diamond electrode.There is following shortcoming in metal electrode: the first, and when measuring hard material, electrode and insulation course rupture easily in pressurization and the stress-relief process, can not carry out repeated measurement and use; The second, can not be to having corrosive sample or easily being measured by the fluid of electrolysis.The introducing of diamond electrode can prevent the destruction of cross shear to electrode, improve the reliability of measuring microcircuit, overcome under the condition of high voltage sample to the corrosion of electrode, make the in site measurement to the electrical quantities that has the corrosivity sample under the high pressure become possibility, thereby widened the research field of electrical quantity in-situ measurement under the high pressure, in the high pressure electricity experiments of measuring in future, will be widely used.
Be called " being used for electrode of original position electrical measurement on the adamas opposed anvils and preparation method thereof " in name, publication number is in the patent of CN101509947, has stated the method for preparing diamond electrode on diamond anvil.Utilize aluminium oxide to do mask in the preparation process, utilize hot-wire chemical gas-phase deposition on the adamas opposed anvils the boron doped diamond thin of selective deposition one deck as electrode.The selective deposition process of whole boron-doped diamond film is finished under hot conditions.Experiment showed, because the thermal expansivity of diamond anvil and aluminum oxide polycrystal mask there are differences, cause whole experiment comparatively harsh temperature requirement.Temperature distributing disproportionation in the hot-wire chemical vapor phase deposition instrument around the filament is even, makes substrate (diamond anvil) temperature distributing disproportionation, makes under the hot conditions aluminum oxide film phenomenon that is damaged easily, causes the mask failure, thereby influences the preparation of electrode.
Summary of the invention
The technical problem to be solved in the present invention is, utilize nano crystal introduction technology, film deposition techniques and ion beam etching technology, with being prepared on the diamond anvil of boron-doped diamond electrode success, overcame in the past and on opposed anvils, caused the difficulty of the failure of an experiment owing to mask breaks in the preparation diamond electrode process, the success ratio of raising preparation diamond electrode on diamond anvil.
Technical scheme of the present invention is as follows.
A kind of on the adamas opposed anvils method of Integrated electrode, divide eight steps to finish,
The first step: the mixed liquid dipping of diamond anvil being put into acetone and alcohol takes out the back deionized water rinsing to remove surface blot, and the oven dry back is immersed in the nano-diamond powder suspending liquid, takes out oven dry again;
Second step: will put into chemical vapor deposition unit with the diamond anvil of nano-diamond powder, and carry out the deposition of boron-doped diamond film;
The 3rd step: the diamond anvil that the surface is had a boron-doped diamond film is put into the vacuum chamber of magnetic control sputtering device, utilizes magnetically controlled sputter method that pellumina is deposited on boron-doped diamond film surface;
The 4th step: the diamond anvil that will be coated with pellumina takes out, smear photoresist on its surface, the graphics shape that utilizes photoetching technique to carve para tape between electrode in the anvil face and the side of diamond anvil, the pellumina that under the boiling water bath condition, exposes with phosphoric acid corrosion power down electrode insulation band place;
The 5th step: diamond anvil is inserted in the vacuum chamber of ion beam sputtering device, utilize ar-ion beam that diamond anvil is bombarded; The condition of work of ion beam sputtering device is: operating air pressure 2.4 * 10 -1~3.0 * 10 -1Pa, anode working voltage 62V, working current 0.62A, cathode work current 18A, operating plate voltage 500~600V, line voltage 200V, line electric current 40~50mA quickens electric current 10mA, bombardment time 3~5 minutes;
The 6th step: with volume ratio is that 1: 1 the nitric acid and the mixed liquor of sulfuric acid are made corrosive liquid, and the protective layer of alumina on the adamas anvil face is eroded, and with alcohol and acetone it is cleaned up respectively;
The 7th step: repeat the process in the 3rd to six step, the boron-doped diamond film at para tape place is disconnected by bombardment fully until between electrode becomes the electrode of not conducting mutually;
The 8th step: copper wire is adhered on the exposed boron-doped diamond membrane electrode in diamond anvil side with the silver slurry.
In second step of the inventive method, the thickness of deposition boron-doped diamond film can be at 500nm~2 μ m; In the 3rd step, the thickness of deposition of aluminium oxide film can be at 200~300nm; In the 7th step, the process that repeated for the 3rd to six step will repeat 4~28 times like this.
In the first step of the inventive method, diamond anvil immerses in the nano-diamond powder suspending liquid, takes out oven dry again, repeat 5 times, and each oven dry can be carried out under 100 ℃.Make the diamond anvil surface attachment be suitable for the Nano diamond particle of boron-doped diamond growth.
This work is to subsidize the achievement that obtains down in project of national nature science fund project (10874053,11074094,50802033,91014004) and national basis research project (2011CB808204).Process, the process conditions in first, second, third and fourth step of the present invention and the 8th step are identical with background technology basically.Characteristics of the present invention are to adopt the ion beam sputtering device, utilize ar-ion beam that whole diamond anvil is bombarded, and the boron-doped diamond film at para tape place is disconnected form electrode.The mask that its beneficial effect is to have avoided the selective deposition of boron-doped diamond film under hot conditions to cause breaks and makes the problem of conducting between electrode, improves the success ratio of preparation diamond electrode on diamond anvil.The method of the present invention's Integrated electrode on the adamas opposed anvils has wide practical use in situ high pressure electrical measurement field.
Description of drawings
Fig. 1 be of the present invention on the adamas opposed anvils method flow synoptic diagram of Integrated electrode.
Among Fig. 1,
1 represents the nano-diamond powder seeding layer; 2 represent the boron-doped diamond film, promptly are the boron-doped diamond membrane electrode after completing; 3 represent pellumina.
(f) is the diamond anvil that has electrode that completes among Fig. 1.Wherein, 2 is the electrode of boron-doped diamond film, and the boron-doped diamond film is divided into four by crosshair and forms four electrodes; 5 is the silver slurry; 4 is copper conductor, is bonded in the side of diamond anvil.Silver slurry 5 makes copper conductor firmly be connected with the boron-doped diamond membrane electrode, for use in the in site measurement of electrical quantities under the high pressure.
Embodiment
Embodiment 1
Further specify process means of the present invention [whole process is shown in (a)~(f) among Fig. 1] in conjunction with the accompanying drawings:
The first step: the mixed liquid dipping 20 minutes of diamond anvil being put into acetone and alcohol is used deionized water rinsing to remove surface blot after the taking-up.After the oven dry, immerse in the nano-diamond powder suspending liquid, take out again under 100 ℃ of conditions and dry, so repeat 5 times.Shown in Fig. 1 (a).
This step purpose is to make diamond anvil surface attachment one deck Nano diamond particle, and these particles help next step as nucleus and deposit boron doped diamond film.
Second step: will put into the chemical vapor deposition (CVD) device with the diamond anvil of nano-diamond powder, and carry out the deposition of boron-doped diamond film.Keeping base reservoir temperature in the deposition process is 750 ℃~950 ℃, and the thickness of boron-doped diamond film is 500nm~2 μ m.Shown in Fig. 1 (b).
The 3rd step: the diamond anvil that the surface is had a boron-doped diamond film is put into the vacuum chamber of magnetic control sputtering device, utilizes magnetically controlled sputter method that pellumina is deposited on the diamond anvil surface, covers the boron-doped diamond film.Shown in Fig. 1 (c).
In sputter procedure, adopt metallic aluminium as target, throughput ratio between 30: 2.0~3.0 oxygen and argon gas as working gas, the pressure in the vacuum chamber remains on 0.8~1.2Pa, underlayer temperature remains on 200 ℃~300 ℃.
The 4th step: the diamond anvil that will deposit pellumina takes out, evenly smear one deck photoresist on its surface, utilize photoetching technique on the adamas anvil face, to carve the graphics shape of para tape between electrode, present embodiment is shaped as example with crosshair, corrode with corrosive liquid then that (corrosive liquid is a phosphoric acid, the beaker of containing phosphoric acid places boiling water bath), make to present crosshair on the anvil face, the cross hair width can be at 30~100 μ m.Shown in Fig. 1 (d).
The 5th step: the diamond anvil that will have protective layer of alumina is inserted in the ion beam sputtering instrument vacuum chamber, utilizes ar-ion beam that whole diamond anvil is bombarded.Ion beam instrument condition of work is: operating air pressure is about 2.4~3.0 * 10 -1Pa, anode working voltage 62V, working current 0.62A, cathode work current 18A, operating plate voltage 500~600V, line voltage 200V, line electric current 40~50mA quickens electric current 10mA.Bombardment time is: 3 minutes.
The loss speed v that the boron-doped diamond film is bombarded under this condition is approximately 25nm/min.The loss speed of pellumina protective seam is about 50nm/min.So be unlikely to that with 3 minutes bombardment times protective layer of alumina is destroyed and lose its protective effect (that is, do not bombard as electrode boron-doped diamond film).When the thickness of pellumina is big, also can bombard 5 minutes, only otherwise lose the protective effect of pellumina.
The 6th step: with corrosive liquid (volume ratio is 1: 1 the nitric acid and the mixed liquor of sulfuric acid) the pellumina protective seam on the diamond anvil anvil face is eroded, it is cleaned up with alcohol and acetone.
The 7th step: repeat the process in the 3rd to six step, make boron doped diamond film be disconnected the electrode that becomes four mutual not conductings by bombardment fully.Shown in Fig. 1 (e).
The frequency n that repeated for the 3rd to six steps depends on the thickness d of boron-doped diamond film, n=d/ (3~5) v (when containing decimal among the n, polishing is an integer).
The 8th step: copper wire that will be very thin is adhered on the exposed electrode in diamond anvil side, solidifying about two hours under 150 ℃ the condition, to reach the use desirable strength with the silver slurry.Shown in Fig. 1 (f).

Claims (2)

1. the method for an Integrated electrode on the adamas opposed anvils divides eight steps to finish,
The first step: the mixed liquid dipping of diamond anvil being put into acetone and alcohol takes out the back deionized water rinsing to remove surface blot, and the oven dry back is immersed in the nano-diamond powder suspending liquid, takes out oven dry again;
Second step: will put into chemical vapor deposition unit with the diamond anvil of nano-diamond powder, and carry out the deposition of boron-doped diamond film;
The 3rd step: the diamond anvil that the surface is had a boron-doped diamond film is put into the vacuum chamber of magnetic control sputtering device, utilizes magnetically controlled sputter method that pellumina is deposited on boron-doped diamond film surface;
The 4th step: the diamond anvil that will be coated with pellumina takes out, smear photoresist on its surface, the graphics shape that utilizes photoetching technique to carve para tape between electrode in the anvil face and the side of diamond anvil, the pellumina that under the boiling water bath condition, exposes with phosphoric acid corrosion power down electrode insulation band place;
The 5th step: diamond anvil is inserted in the vacuum chamber of ion beam sputtering device, utilize ar-ion beam that diamond anvil is bombarded; The condition of work of ion beam sputtering device is: operating air pressure 2.4 * 10 -1~3.0 * 10 -1Pa, anode working voltage 62V, working current 0.62A, cathode work current 18A, operating plate voltage 500~600V, line voltage 200V, line electric current 40~50mA quickens electric current 10mA, bombardment time 3~5 minutes;
The 6th step: with volume ratio is that 1: 1 the nitric acid and the mixed liquor of sulfuric acid are made corrosive liquid, and the protective layer of alumina on the adamas anvil face is eroded, and with alcohol and acetone it is cleaned up respectively;
The 7th step: repeat the process in the 3rd to six step, the boron-doped diamond film at para tape place is disconnected by bombardment fully until between electrode becomes the electrode of not conducting mutually;
The 8th step: copper wire is adhered on the exposed boron-doped diamond membrane electrode in diamond anvil side with the silver slurry.
2. according to claim 1 on the adamas opposed anvils method of Integrated electrode, it is characterized in that in second step, the thickness of deposition boron-doped diamond film is at 500nm~2 μ m; In the 3rd step, the thickness of deposition of aluminium oxide film is at 200~300nm; In the 7th step, the process that repeated for the 3rd to six step will repeat 4~28 times.
CN 201110126216 2011-05-17 2011-05-17 Method for integration of electrode on diamond anvil cell Expired - Fee Related CN102288844B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105261555A (en) * 2015-08-28 2016-01-20 中国科学院高能物理研究所 Method for preparing metal electrode on diamond anvil cell
CN110095505A (en) * 2019-03-13 2019-08-06 东北电力大学 A kind of method of Transition-metal dichalcogenide energy gap regulation
CN110687151A (en) * 2019-11-05 2020-01-14 中国工程物理研究院材料研究所 Preparation method of fine sample for diamond opposite-vertex anvil press
CN113777142A (en) * 2021-09-15 2021-12-10 湖南新锋科技有限公司 Carbon material/metal modified doped diamond particle integrated sensor and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61195345A (en) * 1985-02-25 1986-08-29 Toyota Central Res & Dev Lab Inc Production of ion sensor
CN1396801A (en) * 2002-06-16 2003-02-12 吉林大学 Process for integrating metal electrodes to diamond stock
CN101078703A (en) * 2007-06-22 2007-11-28 吉林大学 Diamond anvil for electrical quantity in-situ measurement and its production method
CN101509947A (en) * 2008-12-30 2009-08-19 吉林大学 Electrode for in-situ electrical measurement for diamond anvil cell and method for producing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61195345A (en) * 1985-02-25 1986-08-29 Toyota Central Res & Dev Lab Inc Production of ion sensor
CN1396801A (en) * 2002-06-16 2003-02-12 吉林大学 Process for integrating metal electrodes to diamond stock
CN101078703A (en) * 2007-06-22 2007-11-28 吉林大学 Diamond anvil for electrical quantity in-situ measurement and its production method
CN101509947A (en) * 2008-12-30 2009-08-19 吉林大学 Electrode for in-situ electrical measurement for diamond anvil cell and method for producing the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105261555A (en) * 2015-08-28 2016-01-20 中国科学院高能物理研究所 Method for preparing metal electrode on diamond anvil cell
CN105261555B (en) * 2015-08-28 2018-04-20 中国科学院高能物理研究所 A kind of method that metal electrode is prepared on diamond anvil
CN110095505A (en) * 2019-03-13 2019-08-06 东北电力大学 A kind of method of Transition-metal dichalcogenide energy gap regulation
CN110687151A (en) * 2019-11-05 2020-01-14 中国工程物理研究院材料研究所 Preparation method of fine sample for diamond opposite-vertex anvil press
CN113777142A (en) * 2021-09-15 2021-12-10 湖南新锋科技有限公司 Carbon material/metal modified doped diamond particle integrated sensor and preparation method and application thereof

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