Oral presentation

10 Spintronics and Magnetics » 10.2 Spin torque, spin current, circuits, and measurement technologies

[12p-D11-1~20] 10.2 Spin torque, spin current, circuits, and measurement technologies

Thu. Mar 12, 2015 1:15 PM - 6:30 PM D11 (16-306)

△：Young Scientist Oral Presentation Award Applied
▲：English Presentation
▼：Both Award Applied and English Presentation

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1:15 PM - 1:30 PM

△ [12p-D11-1] Temperature dependence of intrinsic critical current in CoFeB-MgO magnetic tunnel junctions with perpendicular easy axis

〇(M2)Yutaro Takeuchi^1,², Eli Christopher Enobio², Hideo Sato^3,⁴, Shunsuke Fukami^3,⁴, Shoji Ikeda^2,^3,⁴, Fumihiro Matsukura^1,^2,³, Hideo Ohno^1,^2,^3,⁴ (1.WPI-AIMR, Tohoku Univ., 2.Laboratory for Nanoelectronics and Spintronics, RIEC, Tohoku Univ., 3.CSIS, Tohoku Univ., 4.CIES, Tohoku Univ.)

1:30 PM - 1:45 PM

△ [12p-D11-2] High Q oscillation in low magnetic applied field with NCMR-Trilayer-STO

〇Yohei Shiokawa¹, Yusuke Toda¹, Muftah K.O Al-Mahdawi¹, Masashi Sahashi¹ (1.Tohoku Univ.)

1:45 PM - 2:00 PM

▼ [12p-D11-3] Spin Torque Oscillator Based on a Point-Contact Geometry with Highly Spin-Polarized Co₂(Fe, Mn)Si

〇(D)Tatsuya Yamamoto¹, Takashi Seki^1,², Takahide Kubota¹, Hitomi Yako¹, Koki Takanashi¹ (1.IMR, Tohoku Univ., 2.JST-PRESTO)

2:00 PM - 2:15 PM

▼ [12p-D11-4] Universality classes for current- and field-induced domain wall creep in a Ta/CoFeB/MgO/Ta wire

〇(D)Samik Duttagupta¹, Shunsuke Fukami^2,³, Chao Liang Zhang¹, Hideo Sato^2,³, Michihiko Yamanouchi^1,², Fumihiro Matsukura^1,^2,⁴, Hideo Ohno^1,^2,^3,⁴ (1.RIEC, Tohoku Univ., 2.CSIS, Tohoku Univ., 3.CIES, Tohoku Univ., 4.WPI-AIMR, Tohoku Univ.)

2:15 PM - 2:30 PM

▼ [12p-D11-5] Device size dependence of switching current for magnetization reversal induced by spin-orbit torque in Ta/CoFeB/MgO structures down to 30 nm

〇Chaoliang Zhang¹, Shunsuke Fukami^2,³, Hideo Sato^2,³, Fumihiro Matsukura^1,^2,⁴, Hideo Ohno^1,^2,^3,⁴ (1.RIEC, Tohoku Univ., 2.CSIS, Tohoku Univ., 3.CIES, Tohoku Univ., 4.WPI-AIMR, Tohoku Univ.)

2:30 PM - 2:45 PM

▲ [12p-D11-6] Controlling spin transmission and the Dzyaloshinskii-Moriya interaction at interfaces in magnetic heterostructures

〇Masamitsu Hayashi¹, Jacob Torrejon, Junyeon Kim, Peng Sheng, Seiji Mitani (1.NIMS)

2:45 PM - 3:00 PM

▲ [12p-D11-7] Layer thickness dependence of spin orbit torques and fields in Pt/Co/AlO trilayer structure

〇(B)Minsik KONG¹, Tim Yang¹, Makoto Kohda¹, Takeshi Seki², Koki Takanashi², Junsaku Nitta¹ (1.Tohoku Univ., 2.Tohoku Univ. IMR)

3:00 PM - 3:15 PM

▲ [12p-D11-8] Spin orbit interaction depending on crystal structures of Ta thin films

〇Hiromu Gamou¹, Jeongchun Ryu¹, Rento Ohsugi¹, Makoto Kohda¹, Junsaku Nitta¹ (1.Tohoku Univ.)

3:15 PM - 3:30 PM

▲ [12p-D11-9] Critical current of magnetization dynamics excited by spin-Hall torque in the presence of transverse magnetic field

〇Tomohiro Taniguchi¹, Seiji Mitani², Masamitsu Hayashi² (1.AIST, 2.NIMS)

3:30 PM - 3:45 PM

[12p-D11-10] Investigation of magnetic properties of Co thin films sandwiched between low melting point glasses and their application to spin injection devices

〇Takahiro Misawa¹, Sumito Mori¹, Taro Abe¹, Haruya Kasa¹, Hideo Kaiju¹, Junji Nishii¹ (1.Hokkaido Univ.)

Break (3:45 PM - 4:00 PM)

4:00 PM - 4:15 PM

[12p-D11-11] Generation of giant pure spin currents with two Co₂FeSi spin injectors

〇Takayuki Kurokawa¹, Soichiro Oki¹, Shinya Yamada¹, Takeshi Kanashima¹, Kohei Hamaya^1,² (1.Osaka Univ., 2.CREST)

4:15 PM - 4:30 PM

▲ [12p-D11-12] Generation and detection of pure spin currents through epitaxial Ge/Fe₃Si heterostructures

〇Makoto Kawano¹, Kohei Santo¹, Soichiro Oki¹, Shinya Yamada¹, Takeshi Kanashima¹, Kohei Hamaya^1,² (1.Osaka Univ., 2.JST-CREST)

4:30 PM - 4:45 PM

▲ [12p-D11-13] Large spin accumulation signal in a lateral spin valve with nondegenerate Si channel

〇Yuichiro Ando¹, Hayato Koike², Takayuki Tahara¹, Makoto Kameno³, Tomoyuki Sasaki², Yoshishige Suzuki³, Masashi Shiraishi¹ (1.Kyoto Univ., 2.TDK Corporation, 3.Osaka Univ)

4:45 PM - 5:00 PM

▲ [12p-D11-14] Highly efficient spin pumping from a single-crystalline Fe₃Si layer into a Si channel

〇Yuichiro Ando¹, Kouki Ichiba², Shinya Yamada², Teruya Shinjo¹, Kohei Hamaya², Masashi Shiraishi¹ (1.Kyoto Univ., 2.Osaka Univ.)

5:00 PM - 5:15 PM

▲ [12p-D11-15] Observation of Joule-heating-induced spin injection and transport in highly-doped n-type Si

〇(DC)Makoto Kameno^1,², Hayato Koike³, Yuichiro Ando², Teruya Shinjo², Tomoyuki Sasaki³, Yoshishige Suzuki¹, Masashi Shiraishi² (1.Osaka Univ., 2.Kyoto Univ., 3.TDK Co.)

5:15 PM - 5:30 PM

▼ [12p-D11-16] Dynamical spin injection into n-type 4H-SiC

〇(B)Ei Shigematsu¹, Yuuichiro Ando¹, Gaku Eguchi¹, Teruya Shinjo¹, Tsunenobu Kimoto¹, Masashi Shiraishi¹ (1.Kyoto Univ.)

5:30 PM - 5:45 PM

▲ [12p-D11-17] Ferromagnetic resonance induced electrical signals in Pt/(Ga,Mn)As

〇Hiroyasu Nakayama¹, Lin Chen², Hsiao Wen Chang^1,³, Fumihiro Matsukura^1,^2,⁴, Hideo Ohno^1,^2,⁴ (1.LNS, RIEC, Tohoku Univ., 2.WPI-AIMR, Tohoku Univ., 3.National Sun Yat-Sen Univ., 4.CSIS, Tohoku Univ.)

5:45 PM - 6:00 PM

▼ [12p-D11-18] Fe impurity contribution to Spin-Seebeck effect in Pt thin film

〇Jeongchun Ryu¹, Kotaro Mizunuma², Yuta Saiga², Yasushi Kono², Makoto Kohda¹, Junsaku Nitta¹ (1.Tohoku univ., 2.DENSO CORPORATION)

6:00 PM - 6:15 PM

▲ [12p-D11-19] Spin-Seebeck effect in CuPt thin films with different Pt concentration

〇hiroshi ono¹, Jeong Chun Ryu¹, Yuta Saiga², Kotaro Mizunuma², Yasushi Kono², Makoto Kohda¹, Junsaku Nitta¹ (1.Tohoku Univ, 2.DENSO CORPORATION)

6:15 PM - 6:30 PM

▲ [12p-D11-20] Composition dependence of anomalous Nernst effect in Mn_x-Ga_1-x epitaxial thin films

〇Masaki Inoue¹, Masaki Mizuguchi¹, Shigemi Mizukami², Koki Takanashi¹ (1.IMR, Tohoku Univ., 2.WPI-AIMR, Tohoku Univ.)

Session information

[12p-D11-1~20] 10.2 Spin torque, spin current, circuits, and measurement technologies

△ [12p-D11-1] Temperature dependence of intrinsic critical current in CoFeB-MgO magnetic tunnel junctions with perpendicular easy axis

△ [12p-D11-2] High Q oscillation in low magnetic applied field with NCMR-Trilayer-STO

▼ [12p-D11-3] Spin Torque Oscillator Based on a Point-Contact Geometry with Highly Spin-Polarized Co₂(Fe, Mn)Si

▼ [12p-D11-4] Universality classes for current- and field-induced domain wall creep in a Ta/CoFeB/MgO/Ta wire

▼ [12p-D11-5] Device size dependence of switching current for magnetization reversal induced by spin-orbit torque in Ta/CoFeB/MgO structures down to 30 nm

▲ [12p-D11-6] Controlling spin transmission and the Dzyaloshinskii-Moriya interaction at interfaces in magnetic heterostructures

▲ [12p-D11-7] Layer thickness dependence of spin orbit torques and fields in Pt/Co/AlO trilayer structure

▲ [12p-D11-8] Spin orbit interaction depending on crystal structures of Ta thin films

▲ [12p-D11-9] Critical current of magnetization dynamics excited by spin-Hall torque in the presence of transverse magnetic field

[12p-D11-10] Investigation of magnetic properties of Co thin films sandwiched between low melting point glasses and their application to spin injection devices

[12p-D11-11] Generation of giant pure spin currents with two Co₂FeSi spin injectors

▲ [12p-D11-12] Generation and detection of pure spin currents through epitaxial Ge/Fe₃Si heterostructures

▲ [12p-D11-13] Large spin accumulation signal in a lateral spin valve with nondegenerate Si channel

▲ [12p-D11-14] Highly efficient spin pumping from a single-crystalline Fe₃Si layer into a Si channel

▲ [12p-D11-15] Observation of Joule-heating-induced spin injection and transport in highly-doped n-type Si

▼ [12p-D11-16] Dynamical spin injection into n-type 4H-SiC

▲ [12p-D11-17] Ferromagnetic resonance induced electrical signals in Pt/(Ga,Mn)As

▼ [12p-D11-18] Fe impurity contribution to Spin-Seebeck effect in Pt thin film

▲ [12p-D11-19] Spin-Seebeck effect in CuPt thin films with different Pt concentration

▲ [12p-D11-20] Composition dependence of anomalous Nernst effect in Mn_x-Ga_1-x epitaxial thin films

Authentication

Session information

[12p-D11-1~20] 10.2 Spin torque, spin current, circuits, and measurement technologies

△ [12p-D11-1] Temperature dependence of intrinsic critical current in CoFeB-MgO magnetic tunnel junctions with perpendicular easy axis

△ [12p-D11-2] High Q oscillation in low magnetic applied field with NCMR-Trilayer-STO

▼ [12p-D11-3] Spin Torque Oscillator Based on a Point-Contact Geometry with Highly Spin-Polarized Co2(Fe, Mn)Si

▼ [12p-D11-4] Universality classes for current- and field-induced domain wall creep in a Ta/CoFeB/MgO/Ta wire

▼ [12p-D11-5] Device size dependence of switching current for magnetization reversal induced by spin-orbit torque in Ta/CoFeB/MgO structures down to 30 nm

▲ [12p-D11-6] Controlling spin transmission and the Dzyaloshinskii-Moriya interaction at interfaces in magnetic heterostructures

▲ [12p-D11-7] Layer thickness dependence of spin orbit torques and fields in Pt/Co/AlO trilayer structure

▲ [12p-D11-8] Spin orbit interaction depending on crystal structures of Ta thin films

▲ [12p-D11-9] Critical current of magnetization dynamics excited by spin-Hall torque in the presence of transverse magnetic field

[12p-D11-10] Investigation of magnetic properties of Co thin films sandwiched between low melting point glasses and their application to spin injection devices

[12p-D11-11] Generation of giant pure spin currents with two Co2FeSi spin injectors

▲ [12p-D11-12] Generation and detection of pure spin currents through epitaxial Ge/Fe3Si heterostructures

▲ [12p-D11-13] Large spin accumulation signal in a lateral spin valve with nondegenerate Si channel

▲ [12p-D11-14] Highly efficient spin pumping from a single-crystalline Fe3Si layer into a Si channel

▲ [12p-D11-15] Observation of Joule-heating-induced spin injection and transport in highly-doped n-type Si

▼ [12p-D11-16] Dynamical spin injection into n-type 4H-SiC

▲ [12p-D11-17] Ferromagnetic resonance induced electrical signals in Pt/(Ga,Mn)As

▼ [12p-D11-18] Fe impurity contribution to Spin-Seebeck effect in Pt thin film

▲ [12p-D11-19] Spin-Seebeck effect in CuPt thin films with different Pt concentration

▲ [12p-D11-20] Composition dependence of anomalous Nernst effect in Mnx-Ga1-x epitaxial thin films

Authentication

▼ [12p-D11-3] Spin Torque Oscillator Based on a Point-Contact Geometry with Highly Spin-Polarized Co₂(Fe, Mn)Si

[12p-D11-11] Generation of giant pure spin currents with two Co₂FeSi spin injectors

▲ [12p-D11-12] Generation and detection of pure spin currents through epitaxial Ge/Fe₃Si heterostructures

▲ [12p-D11-14] Highly efficient spin pumping from a single-crystalline Fe₃Si layer into a Si channel

▲ [12p-D11-20] Composition dependence of anomalous Nernst effect in Mn_x-Ga_1-x epitaxial thin films