SG141351A1 - Epitaxial ferroelectric and magnetic recording structures including graded lattice matching layers - Google Patents

Epitaxial ferroelectric and magnetic recording structures including graded lattice matching layers

Info

Publication number
SG141351A1
SG141351A1 SG200706823-2A SG2007068232A SG141351A1 SG 141351 A1 SG141351 A1 SG 141351A1 SG 2007068232 A SG2007068232 A SG 2007068232A SG 141351 A1 SG141351 A1 SG 141351A1
Authority
SG
Singapore
Prior art keywords
lattice matching
matching layers
magnetic recording
graded lattice
structures including
Prior art date
Application number
SG200706823-2A
Other languages
English (en)
Inventor
Thomas Francis Ambrose
Joachim Walter Ahner
Kai-Chieh Chang
Robert Hempstead
Maissarath Nassirou
Mark Lutwyche
Original Assignee
Seagate Technology Llc
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 Seagate Technology Llc filed Critical Seagate Technology Llc
Publication of SG141351A1 publication Critical patent/SG141351A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
    • G11B5/678—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer having three or more magnetic layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • G11B5/737—Physical structure of underlayer, e.g. texture
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7379—Seed layer, e.g. at least one non-magnetic layer is specifically adapted as a seed or seeding layer
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thin Magnetic Films (AREA)
  • Magnetic Record Carriers (AREA)
  • Semiconductor Memories (AREA)
SG200706823-2A 2006-09-25 2007-09-07 Epitaxial ferroelectric and magnetic recording structures including graded lattice matching layers SG141351A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/526,413 US7541105B2 (en) 2006-09-25 2006-09-25 Epitaxial ferroelectric and magnetic recording structures including graded lattice matching layers

Publications (1)

Publication Number Publication Date
SG141351A1 true SG141351A1 (en) 2008-04-28

Family

ID=39225367

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200706823-2A SG141351A1 (en) 2006-09-25 2007-09-07 Epitaxial ferroelectric and magnetic recording structures including graded lattice matching layers

Country Status (3)

Country Link
US (1) US7541105B2 (zh)
CN (1) CN101154409A (zh)
SG (1) SG141351A1 (zh)

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KR100842897B1 (ko) * 2007-01-29 2008-07-03 삼성전자주식회사 강유전체 하드디스크드라이브용 강유전체 미디어 구조 및그 제조 방법
US20080232228A1 (en) * 2007-03-20 2008-09-25 Nanochip, Inc. Systems and methods of writing and reading a ferro-electric media with a probe tip
US20080316897A1 (en) * 2007-06-19 2008-12-25 Nanochip, Inc. Methods of treating a surface of a ferroelectric media
US20080318086A1 (en) * 2007-06-19 2008-12-25 Nanochip, Inc. Surface-treated ferroelectric media for use in systems for storing information
US7626846B2 (en) * 2007-07-16 2009-12-01 Nanochip, Inc. Method and media for improving ferroelectric domain stability in an information storage device
KR20090074396A (ko) * 2008-01-02 2009-07-07 삼성전자주식회사 강유전체를 이용한 정보저장매체, 그 제조방법, 및 이를채용한 정보저장장치
US20090201015A1 (en) * 2008-02-12 2009-08-13 Nanochip, Inc. Method and device for detecting ferroelectric polarization
US20090213492A1 (en) * 2008-02-22 2009-08-27 Nanochip, Inc. Method of improving stability of domain polarization in ferroelectric thin films
US20100002563A1 (en) * 2008-07-01 2010-01-07 Nanochip, Inc. Media with tetragonally-strained recording layer having improved surface roughness
JP5961490B2 (ja) * 2012-08-29 2016-08-02 昭和電工株式会社 磁気記録媒体及び磁気記録再生装置
CN110767800A (zh) * 2019-10-10 2020-02-07 北京科技大学 梯度界面应力调控下掺杂钛酸锶薄膜磁敏材料的制备方法
US11968842B2 (en) * 2020-08-11 2024-04-23 National University Of Singapore Spin-orbit torque device, method for fabricating a spin-orbit torque device and method for switching a switchable magnetization of a spin-orbit torque device
CN115360018B (zh) * 2022-07-25 2023-10-13 中国科学院物理研究所 铁电电容器及其制造方法

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Also Published As

Publication number Publication date
CN101154409A (zh) 2008-04-02
US20080075980A1 (en) 2008-03-27
US7541105B2 (en) 2009-06-02

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