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Journal Articles

Fabrication of (Bi2)m(Bi2Te3)n superlattice films by Te desorption from a pristine Bi2Te3 film

S. Kusaka, T. T. Sasaki, K. Sumida, S. Ichinokura, S. Ideta, K. Tanaka, K. Hono, T. Hirahara
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 173102 (2022)
https://doi.org/10.1063/5.0090207
Published: April 2022
View article titled, Fabrication of (Bi<sub>2</sub>)<sub><em>m</em></sub>(Bi<sub>2</sub>Te<sub>3</sub>)<sub><em>n</em></sub> superlattice films by Te desorption from a pristine Bi<sub>2</sub>Te<sub>3</sub> film
Open the PDF for Fabrication of (Bi<sub>2</sub>)<sub><em>m</em></sub>(Bi<sub>2</sub>Te<sub>3</sub>)<sub><em>n</em></sub> superlattice films by Te desorption from a pristine Bi<sub>2</sub>Te<sub>3</sub> film in another window
Journal Articles

Influence of LRE (Ce, Y, and La) on microstructure and magnetic properties of (Nd0.8LRE0.2)–Fe–B hot-deformed magnets

Y. Milov, Xin Tang, H. Sepehri-Amin, N. N. Sysoev, T. Ohkubo, K. Hono
Journal: AIP Advances
AIP Advances 11, 115118 (2021)
https://doi.org/10.1063/5.0072706
Published: November 2021
View article titled, Influence of LRE (Ce, Y, and La) on microstructure and magnetic properties of (Nd<sub>0.8</sub>LRE<sub>0.2</sub>)–Fe–B hot-deformed magnets
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Journal Articles

Improved current-perpendicular-to-plane giant magnetoresistance outputs by heterogeneous Ag-In:Mn-Zn-O nanocomposite spacer layer prepared from Ag-In-Zn-O precursor

T. Nakatani, T. T. Sasaki, Y. Sakuraba, K. Hono
Journal: Journal of Applied Physics
J. Appl. Phys. 126, 173904 (2019)
https://doi.org/10.1063/1.5127176
Published: November 2019
View article titled, Improved current-perpendicular-to-plane giant magnetoresistance outputs by heterogeneous Ag-In:Mn-Zn-O nanocomposite spacer layer prepared from Ag-In-Zn-O precursor
Open the PDF for Improved current-perpendicular-to-plane giant magnetoresistance outputs by heterogeneous Ag-In:Mn-Zn-O nanocomposite spacer layer prepared from Ag-In-Zn-O precursor in another window
Journal Articles

Inducing out-of-plane precession of magnetization for microwave-assisted magnetic recording with an oscillating polarizer in a spin-torque oscillator

W. Zhou, H. Sepehri-Amin, T. Taniguchi, S. Tamaru, Y. Sakuraba, S. Kasai, H. Kubota, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 114, 172403 (2019)
https://doi.org/10.1063/1.5086476
Published: April 2019
View article titled, Inducing out-of-plane precession of magnetization for microwave-assisted magnetic recording with an oscillating polarizer in a spin-torque oscillator
Open the PDF for Inducing out-of-plane precession of magnetization for microwave-assisted magnetic recording with an oscillating polarizer in a spin-torque oscillator in another window
Includes: Supplementary data
Journal Articles

Over 100% magnetoresistance ratio at room temperature in magnetic tunnel junctions with CuGaSe2 spacer layer

K. Mukaiyama, J. W. Jung, H. Sepehri-Amin, S. Kasai, T. Furubayashi, T. Ohkubo, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 114, 172402 (2019)
https://doi.org/10.1063/1.5092269
Published: April 2019
View article titled, Over 100% magnetoresistance ratio at room temperature in magnetic tunnel junctions with CuGaSe<sub>2</sub> spacer layer
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Journal Articles

Interface resonance in Fe/Pt/MgO multilayer structure with large voltage controlled magnetic anisotropy change

Y. Jibiki, M. Goto, M. Tsujikawa, P. Risius, S. Hasebe, X. Xu, K. Nawaoka, T. Ohkubo, K. Hono, M. Shirai, S. Miwa, Y. Suzuki
Journal: Applied Physics Letters
Appl. Phys. Lett. 114, 082405 (2019)
https://doi.org/10.1063/1.5082254
Published: March 2019
View article titled, Interface resonance in Fe/Pt/MgO multilayer structure with large voltage controlled magnetic anisotropy change
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Journal Articles

The microstructural origin of the enhanced current-perpendicular-to-the-plane giant magnetoresistance by Ag/In-Zn-O/Zn spacer layer

T. Nakatani, T. T. Sasaki, S. Li, Y. Sakuraba, T. Furubayashi, K. Hono
Journal: Journal of Applied Physics
J. Appl. Phys. 124, 223904 (2018)
https://doi.org/10.1063/1.5063548
Published: December 2018
View article titled, The microstructural origin of the enhanced current-perpendicular-to-the-plane giant magnetoresistance by Ag/In-Zn-O/Zn spacer layer
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Journal Articles

Investigation of Gilbert damping of a tetragonally distorted ultrathin Fe0.5Co0.5 epitaxial film with high magnetic anisotropy

Editor’s Pick
R. Mandal, J. W. Jung, K. Masuda, Y. K. Takahashi, Y. Sakuraba, S. Kasai, Y. Miura, T. Ohkubo, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 232406 (2018)
https://doi.org/10.1063/1.5052721
Published: December 2018
View article titled, Investigation of Gilbert damping of a tetragonally distorted ultrathin Fe<sub>0.5</sub>Co<sub>0.5</sub> epitaxial film with high magnetic anisotropy
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Includes: Supplementary data
Journal Articles

High magnetic field sensitivity in anti-ferromagnetically coupled 001-epitaxial [Co2Fe(Al0.5Si0.5)/Ag]N multilayers

Featured
T. Shiroyama, Y. Sakuraba, T. Nakatani, H. Sepehri-Amin, J. W. Jung, K. Hono
Journal: Journal of Applied Physics
J. Appl. Phys. 124, 163910 (2018)
https://doi.org/10.1063/1.5048931
Published: October 2018
View article titled, High magnetic field sensitivity in anti-ferromagnetically coupled 001-epitaxial [Co<sub>2</sub>Fe(Al<sub>0.5</sub>Si<sub>0.5</sub>)/Ag]<em><sub>N</sub></em> multilayers
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Journal Articles

Coercivity enhancement of Nd-Fe-B hot-deformed magnets by the eutectic grain boundary diffusion process using Nd-Ga-Cu and Nd-Fe-Ga-Cu alloys

Lihua Liu, H. Sepehri-Amin, T. T. Sasaki, T. Ohkubo, M. Yano, N. Sakuma, A. Kato, T. Shoji, K. Hono
Journal: AIP Advances
Series: Magnetism and Magnetic Materials
AIP Advances 8, 056205 (2018)
https://doi.org/10.1063/1.5006575
Published: December 2017
View article titled, Coercivity enhancement of Nd-Fe-B hot-deformed magnets by the eutectic grain boundary diffusion process using Nd-Ga-Cu and Nd-Fe-Ga-Cu alloys
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Journal Articles

Interfacial perpendicular magnetic anisotropy and electric field effect in Ta/CoFeB/Mg1−xTixO heterostructures

Ikhtiar, K. Mukaiyama, S. Kasai, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 202407 (2017)
https://doi.org/10.1063/1.4999224
Published: November 2017
View article titled, Interfacial perpendicular magnetic anisotropy and electric field effect in Ta/CoFeB/Mg<sub>1−</sub><sub><em>x</em></sub>Ti<sub><em>x</em></sub>O heterostructures
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Journal Articles

Increased magnetic damping in ultrathin films of Co2FeAl with perpendicular anisotropy

Y. K. Takahashi, Y. Miura, R. Choi, T. Ohkubo, Z. C. Wen, K. Ishioka, R. Mandal, R. Medapalli, H. Sukegawa, S. Mitani, E. E. Fullerton, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 252409 (2017)
https://doi.org/10.1063/1.4989379
Published: June 2017
View article titled, Increased magnetic damping in ultrathin films of Co<sub>2</sub>FeAl with perpendicular anisotropy
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Includes: Supplementary data
Journal Articles

Enhancement of L21 order and spin-polarization in Co2FeSi thin film by substitution of Fe with Ti

Jiamin Chen, Y. Sakuraba, K. Masuda, Y. Miura, S. Li, S. Kasai, T. Furubayashi, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 242401 (2017)
https://doi.org/10.1063/1.4985237
Published: June 2017
View article titled, Enhancement of L2<sub>1</sub> order and spin-polarization in Co<sub>2</sub>FeSi thin film by substitution of Fe with Ti
Open the PDF for Enhancement of L2<sub>1</sub> order and spin-polarization in Co<sub>2</sub>FeSi thin film by substitution of Fe with Ti in another window
Journal Articles

High frequency out-of-plane oscillation with large cone angle in mag-flip spin torque oscillators for microwave assisted magnetic recording

S. Bosu, H. Sepehri-Amin, Y. Sakuraba, S. Kasai, M. Hayashi, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 142403 (2017)
https://doi.org/10.1063/1.4979324
Published: April 2017
View article titled, High frequency out-of-plane oscillation with large cone angle in mag-flip spin torque oscillators for microwave assisted magnetic recording
Open the PDF for High frequency out-of-plane oscillation with large cone angle in mag-flip spin torque oscillators for microwave assisted magnetic recording in another window
Includes: Supplementary data
Journal Articles

Influence of MgO underlayers on the structure and magnetic properties of FePt-C nanogranular films for heat-assisted magnetic recording media

T. Shiroyama, B. S. D. Ch. S. Varaprasad, Y. K. Takahashi, K. Hono
Journal: AIP Advances
AIP Advances 6, 105105 (2016)
https://doi.org/10.1063/1.4964930
Published: October 2016
View article titled, Influence of MgO underlayers on the structure and magnetic properties of FePt-C nanogranular films for heat-assisted magnetic recording media
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Journal Articles

Large magnetoresistance in Heusler-alloy-based epitaxial magnetic junctions with semiconducting Cu(In0.8Ga0.2)Se2 spacer

S. Kasai, Y. K. Takahashi, P.-H. Cheng, Ikhtiar, T. Ohkubo, K. Kondou, Y. Otani, S. Mitani, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 032409 (2016)
https://doi.org/10.1063/1.4959144
Published: July 2016
View article titled, Large magnetoresistance in Heusler-alloy-based epitaxial magnetic junctions with semiconducting Cu(In<sub>0.8</sub>Ga<sub>0.2</sub>)Se<sub>2</sub> spacer
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Journal Articles

Magnetic tunnel junctions with a rock-salt-type Mg1−xTixO barrier for low resistance area product

Ikhtiar, S. Kasai, P.-H. Cheng, T. Ohkubo, Y. K. Takahashi, T. Furubayashi, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 242416 (2016)
https://doi.org/10.1063/1.4953783
Published: June 2016
View article titled, Magnetic tunnel junctions with a rock-salt-type Mg<sub>1−</sub><sub><em>x</em></sub>Ti<sub><em>x</em></sub>O barrier for low resistance area product
Open the PDF for Magnetic tunnel junctions with a rock-salt-type Mg<sub>1−</sub><sub><em>x</em></sub>Ti<sub><em>x</em></sub>O barrier for low resistance area product in another window
Journal Articles

Realization of high quality epitaxial current- perpendicular-to-plane giant magnetoresistive pseudo spin-valves on Si(001) wafer using NiAl buffer layer

Jiamin Chen, J. Liu, Y. Sakuraba, H. Sukegawa, S. Li, K. Hono
Journal: APL Materials
APL Mater. 4, 056104 (2016)
https://doi.org/10.1063/1.4950827
Published: May 2016
View article titled, Realization of high quality epitaxial current- perpendicular-to-plane giant magnetoresistive pseudo spin-valves on Si(001) wafer using NiAl buffer layer
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Journal Articles

Large enhancement of bulk spin polarization by suppressing CoMn anti-sites in Co2Mn(Ge0.75Ga0.25) Heusler alloy thin film

S. Li, Y. K. Takahashi, Y. Sakuraba, N. Tsuji, H. Tajiri, Y. Miura, J. Chen, T. Furubayashi, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 122404 (2016)
https://doi.org/10.1063/1.4944719
Published: March 2016
View article titled, Large enhancement of bulk spin polarization by suppressing Co<sub>Mn</sub> anti-sites in Co<sub>2</sub>Mn(Ge<sub>0.75</sub>Ga<sub>0.25</sub>) Heusler alloy thin film
Open the PDF for Large enhancement of bulk spin polarization by suppressing Co<sub>Mn</sub> anti-sites in Co<sub>2</sub>Mn(Ge<sub>0.75</sub>Ga<sub>0.25</sub>) Heusler alloy thin film in another window
Journal Articles

Enhancement of magnetoresistance by inserting thin NiAl layers at the interfaces in Co2FeGa0.5Ge0.5/Ag/Co2FeGa0.5Ge0.5 current-perpendicular-to-plane pseudo spin valves

J. W. Jung, Y. Sakuraba, T. T. Sasaki, Y. Miura, K. Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 102408 (2016)
https://doi.org/10.1063/1.4943640
Published: March 2016
View article titled, Enhancement of magnetoresistance by inserting thin NiAl layers at the interfaces in Co<sub>2</sub>FeGa<sub>0.5</sub>Ge<sub>0.5</sub>/Ag/Co<sub>2</sub>FeGa<sub>0.5</sub>Ge<sub>0.5</sub> current-perpendicular-to-plane pseudo spin valves
Open the PDF for Enhancement of magnetoresistance by inserting thin NiAl layers at the interfaces in Co<sub>2</sub>FeGa<sub>0.5</sub>Ge<sub>0.5</sub>/Ag/Co<sub>2</sub>FeGa<sub>0.5</sub>Ge<sub>0.5</sub> current-perpendicular-to-plane pseudo spin valves in another window