WO2009145579A3 - 스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자 - Google Patents

스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자 Download PDF

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Publication number
WO2009145579A3
WO2009145579A3 PCT/KR2009/002850 KR2009002850W WO2009145579A3 WO 2009145579 A3 WO2009145579 A3 WO 2009145579A3 KR 2009002850 W KR2009002850 W KR 2009002850W WO 2009145579 A3 WO2009145579 A3 WO 2009145579A3
Authority
WO
WIPO (PCT)
Prior art keywords
spin wave
spin
device capable
controlling
magnonic crystal
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.)
Ceased
Application number
PCT/KR2009/002850
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English (en)
French (fr)
Other versions
WO2009145579A2 (ko
Inventor
김상국
이기석
한동수
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.)
Seoul National University Industry Foundation
Original Assignee
Seoul National University Industry Foundation
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 Seoul National University Industry Foundation filed Critical Seoul National University Industry Foundation
Priority to US12/994,158 priority Critical patent/US8487391B2/en
Publication of WO2009145579A2 publication Critical patent/WO2009145579A2/ko
Publication of WO2009145579A3 publication Critical patent/WO2009145579A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/215—Frequency-selective devices, e.g. filters using ferromagnetic material
    • H01P1/218—Frequency-selective devices, e.g. filters using ferromagnetic material the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters
    • 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
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer

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  • Hall/Mr Elements (AREA)

Abstract

스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자가 개시된다. 본 발명에 따른 스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자는 자성체로 이루어진 스핀파 도파로를 구비하며, 스핀파 도파로는 스핀파가 일 방향으로 진행되도록 가이드하며, 스핀파의 진행방향과 직교하는 방향의 단면의 형상, 면적 및 중심선 중 적어도 하나가 주기적으로 변화하는 마그노닉 결정부를 구비한다. 본 발명에 따르면, 동종의 자성체로 이루어진 스핀파 도파로를 이용하여 스핀파의 주파수 제어가 손쉽게 가능하게 된다.
PCT/KR2009/002850 2008-05-28 2009-05-28 스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자 Ceased WO2009145579A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/994,158 US8487391B2 (en) 2008-05-28 2009-05-28 Magnonic crystal spin wave device capable of controlling spin wave frequency

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080049681A KR100947582B1 (ko) 2008-05-28 2008-05-28 스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자
KR10-2008-0049681 2008-05-28

Publications (2)

Publication Number Publication Date
WO2009145579A2 WO2009145579A2 (ko) 2009-12-03
WO2009145579A3 true WO2009145579A3 (ko) 2010-03-18

Family

ID=41377801

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/002850 Ceased WO2009145579A2 (ko) 2008-05-28 2009-05-28 스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자

Country Status (3)

Country Link
US (1) US8487391B2 (ko)
KR (1) KR100947582B1 (ko)
WO (1) WO2009145579A2 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5759882B2 (ja) * 2011-12-09 2015-08-05 株式会社日立製作所 スピン波導波路、及びスピン波演算回路
CN104678332B (zh) * 2015-02-28 2018-03-27 三峡大学 一种基于2d人造磁振子晶体的弱磁探测器件
US10186746B2 (en) * 2015-12-21 2019-01-22 National University Of Singapore Reconfigurable waveguide for spin wave transmission
EP3249705B1 (en) * 2016-05-24 2019-12-18 IMEC vzw Tunable magnonic crystal device and filtering method
KR101926963B1 (ko) * 2017-02-22 2019-03-07 고려대학교 산학협력단 반대칭 교환상호작용의 공간적 변조를 이용한 마그논 결정을 가진 스핀파 소자
RU2697724C1 (ru) * 2019-01-25 2019-08-19 Федеральное государственное бюджетное учреждение науки Институт радиотехники и электроники им. В.А. Котельникова Российской академии наук Функциональный элемент магноники
CN110323329B (zh) * 2019-06-20 2023-04-18 武汉工程大学 一种多频道自旋波传播磁子晶体结构
CN114388689B (zh) * 2020-10-20 2025-12-02 中国科学院物理研究所 基于磁子晶体的自旋波开关和滤波器
CN112563706B (zh) * 2020-11-24 2021-09-07 广东工业大学 自旋波调制方法
CN114992265B (zh) * 2022-06-20 2023-07-11 兰州交通大学 自旋式声子晶体结构及其应用和隔声、隔振材料
JP2025001239A (ja) * 2023-06-20 2025-01-08 信越化学工業株式会社 スピン波導波構造体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10135709A (ja) * 1996-10-24 1998-05-22 Murata Mfg Co Ltd 静磁波装置
JP2005025831A (ja) * 2003-06-30 2005-01-27 Toshiba Corp 高周波発振素子、磁気情報記録用ヘッド及び磁気記憶装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10135709A (ja) * 1996-10-24 1998-05-22 Murata Mfg Co Ltd 静磁波装置
JP2005025831A (ja) * 2003-06-30 2005-01-27 Toshiba Corp 高周波発振素子、磁気情報記録用ヘッド及び磁気記憶装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHOI, SANG-KOOK ET AL.: "'vortex-motion driven spin-wave generation and propagation' Collection of thesis abstracts for Summer conference and International workshop on next- generation HDD technology", THE KOREAN MAGNETICS SOCIETY, vol. 15, no. 1, June 2005 (2005-06-01), pages 184 - 185 *

Also Published As

Publication number Publication date
KR100947582B1 (ko) 2010-03-15
WO2009145579A2 (ko) 2009-12-03
US8487391B2 (en) 2013-07-16
US20110102106A1 (en) 2011-05-05
KR20090123542A (ko) 2009-12-02

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