AU2000270225A1 - A spin filter and a memory using such a spin filter - Google Patents

A spin filter and a memory using such a spin filter

Info

Publication number
AU2000270225A1
AU2000270225A1 AU2000270225A AU7022500A AU2000270225A1 AU 2000270225 A1 AU2000270225 A1 AU 2000270225A1 AU 2000270225 A AU2000270225 A AU 2000270225A AU 7022500 A AU7022500 A AU 7022500A AU 2000270225 A1 AU2000270225 A1 AU 2000270225A1
Authority
AU
Australia
Prior art keywords
spin filter
memory
spin
filter
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.)
Abandoned
Application number
AU2000270225A
Inventor
Daniel Loss
Patrik Recher
Eugene V. Sukhorukov
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.)
GENTECH INVESTMENT GROUP AG
Original Assignee
Scientific Generics Ltd
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 Scientific Generics Ltd filed Critical Scientific Generics Ltd
Publication of AU2000270225A1 publication Critical patent/AU2000270225A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/82—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by variation of the magnetic field applied to the device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/161—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165—Auxiliary circuits
    • G11C11/1673—Reading or sensing circuits or methods
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/40—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4
    • H01F1/401—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4 diluted
    • H01F1/402—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4 diluted of II-VI type, e.g. Zn1-x Crx Se
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/40—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4
    • H01F1/401—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4 diluted
    • H01F1/404—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4 diluted of III-V type, e.g. In1-x Mnx As
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/40—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4
    • H01F1/408—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4 half-metallic, i.e. having only one electronic spin direction at the Fermi level, e.g. CrO2, Heusler alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/66984—Devices using spin polarized carriers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2216/00—Indexing scheme relating to G11C16/00 and subgroups, for features not directly covered by these groups
    • G11C2216/02—Structural aspects of erasable programmable read-only memories
    • G11C2216/08—Nonvolatile memory wherein data storage is accomplished by storing relatively few electrons in the storage layer, i.e. single electron memory
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/932—Specified use of nanostructure for electronic or optoelectronic application
    • Y10S977/933—Spintronics or quantum computing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Semiconductor Memories (AREA)
  • Junction Field-Effect Transistors (AREA)
AU2000270225A 2000-08-30 2000-09-06 A spin filter and a memory using such a spin filter Abandoned AU2000270225A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0021302 2000-08-30
GBGB0021302.5A GB0021302D0 (en) 2000-08-30 2000-08-30 Spin filter device
PCT/GB2000/003422 WO2002019435A1 (en) 2000-08-30 2000-09-06 A spin filter and a memory using such a spin filter

Publications (1)

Publication Number Publication Date
AU2000270225A1 true AU2000270225A1 (en) 2002-03-13

Family

ID=9898540

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000270225A Abandoned AU2000270225A1 (en) 2000-08-30 2000-09-06 A spin filter and a memory using such a spin filter

Country Status (6)

Country Link
US (1) US7180087B1 (en)
EP (1) EP1314206A1 (en)
JP (1) JP2004523099A (en)
AU (1) AU2000270225A1 (en)
GB (1) GB0021302D0 (en)
WO (1) WO2002019435A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005109454A1 (en) * 2004-05-07 2005-11-17 Etech Ag Ferromagnetic influence on quantum dots
EP1830410A1 (en) 2006-02-24 2007-09-05 Hitachi, Ltd. Single-charge tunnelling device
GB2460666A (en) * 2008-06-04 2009-12-09 Sharp Kk Exciton spin control in AlGaInN quantum dots
JP2011243716A (en) * 2010-05-18 2011-12-01 Toshiba Corp Spin transistor and integrated circuit
US9748356B2 (en) 2012-09-25 2017-08-29 Stmicroelectronics, Inc. Threshold adjustment for quantum dot array devices with metal source and drain
US9601630B2 (en) * 2012-09-25 2017-03-21 Stmicroelectronics, Inc. Transistors incorporating metal quantum dots into doped source and drain regions
US10002938B2 (en) 2013-08-20 2018-06-19 Stmicroelectronics, Inc. Atomic layer deposition of selected molecular clusters
US9240799B1 (en) * 2014-11-04 2016-01-19 Regents Of The University Of Minnesota Spin-based logic device
CN106449739B (en) * 2016-10-19 2023-09-12 中国人民解放军国防科学技术大学 Single electron spin filter based on quantum dots and single electron spin filtering method
FR3066297B1 (en) * 2017-05-11 2019-06-14 Commissariat A L'energie Atomique Et Aux Energies Alternatives QUANTUM DEVICE WITH QUANTITIES OF SPIN
CN110085660B (en) * 2019-04-15 2020-07-28 北京大学 Topological field effect transistor and implementation method thereof
US11672187B2 (en) 2020-03-25 2023-06-06 International Business Machines Corporation Quantum tuning via permanent magnetic flux elements
US11545201B2 (en) * 2020-06-23 2023-01-03 Taiwan Semiconductor Manufacturing Company, Ltd. Memory device with unipolar selector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4076197B2 (en) * 1999-05-19 2008-04-16 株式会社東芝 Magnetic element, storage device, magnetic reproducing head, three-terminal element, and magnetic disk device

Also Published As

Publication number Publication date
US7180087B1 (en) 2007-02-20
WO2002019435A1 (en) 2002-03-07
GB0021302D0 (en) 2000-10-18
EP1314206A1 (en) 2003-05-28
JP2004523099A (en) 2004-07-29

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