연구활동 Research activities

논문
  • [국외]
  • Generation and Detection of Out-of-Plane-Polarized Spin Current in a Lateral Spin Valve with Amorphous Multilayer Electrodes, Physica Status Solidi-Rapid Research Letters 16 (2022)
  • Long-range chiral exchange interaction in synthetic antiferromagnets, NATURE MATERIALS 18 (2019)
  • Reconfigurable logic for carry-out computing in 1-bit full adder using a single magnetic tunnel junction, Solid-State Electronics 154 (2019)
  • Temperature dependent anomalous Hall effect and anomalous Nernst effect in perpendicularly magnetized [CoSiB/Pt] multilayer film, Journal Of Magnetism And Magnetic Materials 446 (2018)
  • Temperature dependent anomalous Hall effect and anomalous Nernsteffect in perpendicularly magnetized [CoSiB/Pt] multilayer film, Journal Of Magnetism And Magnetic Materials 446 (2017)
  • Field-driven domain wall motion under a bias current in the creep and flow regimes in Pt/[CoSiB/Pt](N) nanowires, SCIENTIFIC REPORTS 6 (2016)
  • Oscillatory Interlayer Exchange Coupling in Amorphous CoSiB/Pt/CoSiB Structure, IEEE TRANSACTIONS ON MAGNETICS 51 (2015)
  • Perpendicular magnetic anisotropy of amorphous [CoSiB/Pt](N) thin films, JOURNAL OF APPLIED PHYSICS 117 (2015)
  • Field-induced domain wall motion of amorphous [CoSiB/Pt]n multilayers with perpendicular anisotropy, Journal Of Applied Physics 115 (2014)
  • Perpendicular magnetic anisotropic characteristics of amorphous[CoSiB/Pt]N multilayers, Applied Physics Letters 102 (2013)
  • Transition of the Magnetotransport in a Co-TbN System , Journal of Nanoscience and Nanotechnology 11(7) (2011)
  • Perpendicular Magnetic Anisotropy in Amorphous Ferromagnetic CoSiB/Pt Multilayers , Journal of Nanoscience and Nanotechnology 11-1 (2011)
  • Ratchet Effect of Domain Wall Motion by GHz AC Magnetic Field in Asymmetric Sawtooth-Shaped Ferromagnetic Nanowires , IEEE Transaction on magnetics 46(6) (2010)
  • Effects of Co addition on microstructure and magnetic properties of ferromagnetic CoFeSiB alloy films, Acta Materialia 58-8 (2010)
  • Fabrication of multilayered Co/Pd nano-dot array with an areal density of 1 tera-dot/in(2) , Journal of Magnetism anf Magnetic Materials 322-17 (2010)
  • Large spontaneous Hall angle in [Co, CoFe/Pt] multilayer, Current Applied Physics 10-2 (2010)
  • Microstructures and magnetic properties of amorphous TbCo flms deposited by facing target magnetron-sputtering system with divergent magnetic field, Journal of Vacuum Science & Technology B 28-1 (2010)
  • Effect of Interface Roughness on Magnetoresistance and Magnetization Switching in Double-Barrier Magnetic Tunnel Junction, IEEE TRANSACTIONS ON MAGNETICS 45-6 (2009)
  • The Enhancement of the Resistance Window of TaNGeTeCu Device by Controlling GeTe Film Structure, IEEE Electron Device Letters 30-5 (2009)
  • Dense stripe domains in a nanocrystalline CoFeSiB thin film, Current Applied Physics 9-3 (2009)
  • Improvement of CBRAM Resistance Window by Scaling Down Electrode Size in Pure-GeTe Film, IEEE ELECTR DEVICE Letter 30-2 (2009)
  • Systematical changes in diffraction effciencies through Ag-photodoping into amorphous GeSe thin flms, Journal of Non-Crystalline Solids 354 (2008)
  • Magneto-Transport Characteristics of Magnetic Tunnel Junction With a Synthetic Antiferromagnetic Amorphous CoFeSiB Free Layer, Magnetics, IEEE Transactions on 44-11 (2008)
  • Influence of Hydrogenation on the Amorphous-to-Crystalline Phase Transition Characteristics of Ge2Sb2Te5 and Ge8Sb2Te11 Thin Films, Japanese Journal of Applied Physics 47-7 (2008)
  • Structural and magnetic properties of amorphous and nanocrystalline CoFeSiB thin films, IEEE Transactions on Nanotechnology 7-4 (2008)
  • Characterization of Domain Switching Behavior of MTJ Cells Using Magnetic Force Microscopy (MFM) and R-H loop Analysis, IEEE Transaction on Nanotechnology 7(2) (2008)
  • Characteristics of magnetic tunnel junctions comprising ferromagnetic amorphous NiFeSiB layers, Journal of Magnetism and Magnrtic Materials 310 (2) (2007)
  • Interfacial mixing in double-barrier magnetic tunnel junctions with amorphous ferromagnetic NiFeSiB layers, Journal of Magnetism and Magnrtic Materials 310(2) (2007)
  • Current-supported domain wall movement to the target spot with a magnetic field, Journal of Magnetism and Magnetic Materials 310-2 (2007)
  • Magnetic field sensing scheme using CoFeB/MgO/CoFeB tunneling junction with superparamagnetic CoFeB layer, Applied Physics Letters 89-16 (2006)

  •  
  • [국내]
  • CoSiB/Pt 수직자기 다층박막에서 비정상 홀저항의 비단조적 온 도의존성과 스케일링, 한국자기학회지 32 (2022)
  • MgO 절연막을 갖는 자기 터널 접합구조에서의 급속 열처리 효과, 한국자기학회지 25 (2015)
  • Anomalous Nernst Effects of [CoSiB/Pt] Multilayer Films, Journal Of Magnetics 18 (2013)
  • Perpendicular Magnetic Anisotropy in CoSiB/Pd Multilayerswith Various Thicknesses, Journal Of The Korean Physical Society 62 (2013)
  • Two-Phase Magnet in the Co/Co(2)MnSn System, Journal of Magnetics 16-1 (2011)
  • Initial Magnetization and Coercivity Mechanism in Amorphous TbxCo1-x Thin Films with Perpendicular Anisotropy , Journal of Magnetics 15-4 (2010)
  • Perpendicular Magnetic Anisotropy of CoSiB/Pt Multilayers, Journal of the Korean Physical Society 57(6) (2010)
  • Antiferromagnetically Exchange-coupled Two Phase Magnets:Co/Co2TiSn, Journal of Magnetics 13(2) (2008)
  • Soft-Lithographic Fabrication of Ni Nanodots Using Self-Assembled Surface Micelles, Jornal of Magnetics 13-2 (2008)
  • New Macroscopic Ferrimagnets in the System Co-TbN, Journal of Magnetics 13(1) (2008)
특허
  • [국외]
  • 금속 다층 박막을 가지는 이상 홀 효과 자기 센서, 2023-11 (등록)
  • 금속 다층 박막을 가지는 이상 홀 효과 자기 센서, 2023-01 (등록)
  • 금속 다층 박막을 가지는 이상 홀 효과 자기 센서, 2021-06 (출원)
  • 금속 다층 박막을 가지는 이상 홀 효과 자기 센서, 2021-05 (출원)
  • 금속 다층 박막을 가지는 이상 홀 효과 자기 센서, 2021-05 (출원)
  • 금속 다층 박막을 가지는 이상 홀 효과 자기 센서, 2021-05 (출원)
  • 이상 홀 효과를 이용하는 자기 센서, 홀 센서 및 홀 센서의 제조방법, 2019-11 (출원)

  •  
  • [국내]
  • 이상 홀 효과를 이용하는 홀 센서 및 이의 제조방법, 2024-01 (등록)
  • 금속 다층 박막을 가지는 이상 홀 효과 자기 센서, 2023-11 (등록)
  • 금속 다층 박막을 가지는 이상 홀 효과 자기 센서, 2018-11 (출원)
  • 이상 홀 효과를 이용하는 홀 센서 및 이의 제조방법, 2018-11 (출원)
  • 열 감지 마그네틱 센서, 2016-02 (등록)
  • 자발 홀 효과 마그네틱 센서 및 이를 포함하는 마그네틱 센싱 장치, 2015-07 (등록)
  • 고출력 전압 자기저항 소자, 2014-08 (출원)
  • 열 감지 마그네틱 센서, 2014-08 (출원)
  • 불화물계 터널 베리어층를 구비하는 자기 소자 및 그의 제조방법, 2014-02 (출원)
  • 자발 홀 효과 마그네틱 센서 및 이를 포함하는 마그네틱 센싱 장치, 2014-01 (출원)
  • 활성화 전자빔을 이용한 박막 물성 변화 방법, 2013-07 (출원)
  • 불화물계 터널 베리어층를 구비하는 자기 메모리 소자 및 그의 제조방법, 2013-02 (출원)
학술발표
  • Magnetic and magneto-transport properties of amorphous CoSiB/Pt multilayer films, 2022년 한국자기학회 하계학술대회(한국자기학회), 2022-05
  • Magneto-transport effect in CoSiB/Pt/CoSiB thin films, 2022년 한국자기학회 하계학술대회(한국자기학회), 2022-05
  • A study hall effect property on multilayer Thin Films, 2022년 한국자기학회 하계학술대회(한국자기학회), 2022-05
  • Hall effect property of Multilayer Thin Films according to Pt thickness, 2022년 한국자기학회 하계학술대회(한국자기학회), 2022-05
  • Anomalous Hall and Nernst effect in a few to bulk layer 2D van der Walls ferromagnetic material Fe3GeTe2, 2021년 한국자기학회 동계학술대회(한국자기학회), 2021-11
  • A study hall effect on CoSiB/Pt/ CoSiB structure, International Symposium on Magnetism and Magnetic Materials 2019(한국자기학회), 2019-11
  • Effects of Annealing on the Anomalous Hall and AnomalousNernst Effects of Perpendicularly Magnetized CoSiB/Pt MultilayerFilms, 가을학술논문발표회(한국물리학회), 2019-10
  • Magneto-transport effect in CoSiB thin films, 한국자기학회 하계학술영구발표회(한국자기학회), 2019-05
  • Electrical Spin Injection and Detection in Copper with Perpendicularly Magnetized [CoSiB/Pt] multilayer Electrodes, International Symposium on Magnetism and Magnetic Materials(한국자기학회), 2018-11
  • Basic concepts and Applications of Magnetoresistance (MR) Sensors, 한국센서학회 종합학술대회(한국센서학회), 2018-11
  • Optimizatio spontaneous Hall effect in amorphous CoSiB/Pt/CoSiB sandwitch structure, International conference on fundamental and applied science(.), 2015-11
  • The phase transformation of FePt films by using E-beam, International conference on fundamental and applied science(.), 2015-11
  • Magnetic and Magneto-transport Properties of amorphous CoSiB/Pt Multilayers, ENGE 2014(대한금속·재료학회), 2014-11
  • Effect of activated electron beam on FCC to FCT phase transformation of FePt films, 한국자기학회 하계학술발표(한국자기학회), 2014-05
  • The phase transformation of FePt films by using activated electron beam, The 8th Internal Conference on Advanced Materials and Devices(Applied physics division, The Korean Physics Socie), 2013-12
  • Effect of activated electron beam on phase transformation of FePt films, Asia-Pacific Data Storage Conference(Taiwan Information Storage Association), 2013-11
  • Anomalous Hall effect of [CoSiB/Pt] multilayers, Asia-Pacific Data Storage Conference(Taiwan Information Storage Association), 2013-11
  • Magnetic and Magneto-transport Properties of Amorphous CoSiB/Pt Multilayers , Asia-Pacific Data Storage Conference(Taiwan Information Storage Association), 2013-11
  • Anomalous Hall effect in [Amorphous CoSiB/Pt] multilayer films, The 3rd International Symposium on Advanced Magnetic Materials and Applications(Taiwan Association for Magnetic Technology), 2013-07
  • Anisotropy Magnetoresistance (AMR) Effect in the Co-TbN two phase system, 2012년도 한국자기학회 자성 및 자성재료 국제학술대회(한국자기학회), 2012-12
  • A Study on Hall effect in Amorphous CoSiB/Pt/CoSiB sandwich structure, 2012년도 한국자기학회 자성 및 자성재료 국제학술대회(한국자기학회), 2012-12
  • Hall effect in [Amorphous CoSiB/Pt] multilayers, Nano Korea 2012(나노기술연구협의회), 2012-08
  • Spontaneous Hall effect in Amorphous CoSiB/Pt/CoSiB sandwich structure, Nano Korea 2012(나노기술연구협의회), 2012-08
  • Anomalous Hall effect of [Amorphous CoSiB/Pt] multilayers films, The 19th International Conference on Magentism(한국물리학회), 2012-07
  • Interface perepndicular magnetic anisotropy in thick amorphous CoSiB films by Pt layer, The 19th International Conference on Magentism(한국물리학회), 2012-07
  • Anomalous Hall effect in Amorphous CoSiB/Pt/CoSiB sandwich structure, 2011년도 한국자기학회 자성 및 자성재료 국제학술대회, 2011-12
  • Spontaneous Hall effect in Patterned [CoSiB/Pt] multilayers, ICAMD 2011 The 7th International Conference on Advanced Materials and Devices, 2011-12
  • Magnetic properties and thermal stability of Amorphous CoSiB single-layer, ICAMD 2011 The 7th International Conference on Advanced Materials and Devices, 2011-12
  • Interface perpendicular magnetic anisotropy of amorphous CoSiB with Pt layer, ICAMD 2011 The 7th International Conference on Advanced Materials and Devices, 2011-12
  • Magnetic properties of Two-phase magnet Co-TbN, ICAMD 2011 The 7th International Conference on Advanced Materials and Devices, 2011-12
  • 비정질 CoSiB/Pt 다층박막의 자기적 특성 연구, 2011년도 한국자기학회 자성 및 자성재료 국제학술대회, 2011-12
  • 비정질 CoSiB 단일박막의 계면 수직자화 효과, 한국자기학회 2011년도 임시총회 및 하계학술연구발표회, 2011-06
  • 페리자성체 Co-TbN의 Tb함량 변화에 따른 열처리 효과, 한국자기학회 2011년도 임시총회 및 하계학술연구발표회, 2011-06
  • 비정질 CoSiB 단일박막의 자기 특성 연구, 한국자기학회 2011년도 임시총회 및 하계학술연구발표회, 2011-06
  • 패턴 된 [CoFe/Pt] 다층박막의 자발 홀 효과, 한국자기학회 2011년도 임시총회 및 하계학술연구발표회, 2011-06
  • [CoSiB/Pt] 다층박막의 자발 홀 효과, 한국자기학회 2011년도 임시총회 및 하계학술연구발표회, 2011-06
  • Anisotropy Magnetoresistance(AMR) Effect of Two-phase magnet Co-TbN, 한국물리학회 봄학술논문 발표회 및 제 87회 정기총회, 2011-04
  • The Spontaneous Hall effect : Large Hall resistivity and Hall angle in [CoFe/Pt] Multilayer, 한국물리학회 봄학술논문 발표회 및 제 87회 정기총회, 2011-04
  • Spontaneous Hall effect of [CoSiB/Pt] multilayer films, 한국물리학회 봄학술논문 발표회 및 제 87회 정기총회, 2011-04
  • Magnetic properties and thermal stability of [amorphous CoSiB/Pt] multilayers, ICAUMS2010, 2010-12
  • Substract effects on the structure and magnetic properties of FePt thin films, ICAUMS, 2010-12
  • Spontaneous Hall effect in [amorphous CoSiB/Pt] multilayer with preparation conditions, ICAUMS, 2010-12
  • 비정질 CoSiB/Pt 다층박막의 제조조건에 따른 자발 홀 효과, 한국자기학회 2010년도 하계학술연구발표회, 2010-06
  • The spontaneous Hall effect of [Amorphous CoSiB/Pt] multilayers with preparation conditions, ICAMD 2009 (The Korean Physical Society)(The Korean Physical Society), 2009-12
  • Domain images in wavy ferromagnetic nanowires, ICAMD 2009 (The Korean Physical Society)(The Korean Physical Society), 2009-12
  • Perpendicular magnetic anisotropy of CoSiB/Pt multilayers, ICAMD 2009 (The Korean Physical Society)(The Korean Physical Society), 2009-12
  • 거시적 페리자성 복합 상 Co-TbN의 제조공정에 따른 현상 연구, The Korean Magnetics Society, 2009-06
  • [IrMn/CoSiB] 교환결합성 다층박막의 자기적 특성 연구, The Korean Magnetics Society, 2009-06
  • Composition-Dependent Crystal Structure and Magnetism in Nanocrystalline Co-Rich Alloy, The Korean Magnetics Society, 2009-06
  • Co-sputter 증착 방법으로 제작된 비정질 희토류-천이금속 TbxCo1-x 박막의 자성 및 자기전도 특성, 2007 동계학술연구발표회 논문개요집(한국자기학회)(한국자기학회), 2007-12
  • [CoFe/Pt] 다층박막 자발 홀 효과, 2007 동계학술연구발표회 논문개요집(한국자기학회)(한국자기학회), 2007-12
  • Bias Voltage Dependence of Magnetic Tunnel Junctions Comprising amorphous ferromagnetic CoFeSiB layer with Double Barriers, 2007 동계학술연구발표회 논문개요집(한국자기학회)(한국자기학회), 2007-12
  • Large Spontaneous Hall angle in [CoFe/pt] multilayer, The 5th International Conference on Advanced Materials and Devices, 2007-12
  • Spontaneous Hall effect in [CoFe/pt] multilayer, The 52nd Annual Conference on Magnetism and Magnetic Materials, 2007-11
  • Magnetotransport characteristics of magnetic tunnel junctions with amorphous synthetic antiferromagnetic free layers', B. S. Chun, J. Y. Hwang, J. R. Rhee, S. Y. Lee, H. I. Yim, T. W. Kim, and Y. K. Kim, The 1st International Symposium on Advanced Magneti, The 1st International Symposium on Advanced Magnetic Materials, 2007-05
  • Dense stripe domains in a nanocrystalline CoFeSiB thin film, The 1st International Symposium on Advanced Magnetic Materials, 2007-05
  • Submicron-Sized MRAM Array with Local Field Switching Architecture', Keewon Kim, Injun Hwang Tae-wan Kim, Ji Young Bae, Young Jin Cho, Kwang-Seok Kim and Sung Hoon Choa, The 1st International Symposium on Advanced Magnetic Materials, The 1st International Symposium on Advanced Magnetic Materials, 2007-05
  • Effect of Co addition upon micro structural evolution and magnetic properties of amorphous ferromagnetic CoFeSiB alloy films, The 10th Joint Magnetism and Magnetic Materials/International Magnetics, 2007-01
  • Technological Issues for High-Density MRAM, IEEE Nanotechnology Materials and Devices Conference, 2006-10
  • Universal Memory MRAM, 2006년도 대한금속.재료학회 추계학술대회, 2006-10