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K. Takahashi
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Journal Articles

Development of L 1 0 -ordered FePt with low damping and large perpendicular magnetic anisotropy by engineering the nanostructure

P. D. Bentley, Y. Sasaki, I. Suzuki, S. Isogami, Y. K. Takahashi, H. Suto
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 022404 (2025)
https://doi.org/10.1063/5.0246369
Published: January 2025
View article titled, Development of L 1 0 -ordered FePt with low damping and large perpendicular magnetic anisotropy by engineering the nanostructure
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Journal Articles

Element-specific ultrafast lattice dynamics in FePt nanoparticles

Diego Turenne, Igor Vaskivskyi, Klaus Sokolowski-Tinten, Xijie J. Wang, Alexander H. Reid, Xiaozhe Shen, Ming-Fu Lin, Suji Park, Stephen Weathersby, Michael Kozina, Matthias C. Hoffmann, Jian Wang, Jakub Sebesta, Yukiko K. Takahashi, Oscar Grånäs, Peter M. Oppeneer, Hermann A. Dürr
Journal: Structural Dynamics
Struct. Dyn. 11, 064501 (2024)
https://doi.org/10.1063/4.0000260
Published: November 2024
View article titled, Element-specific ultrafast lattice dynamics in FePt nanoparticles
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Journal Articles

Ultrafast spin-to-charge conversion in antiferromagnetic (111)-oriented L12-Mn3Ir

Huiling Mao, Yuta Sasaki, Yuta Kobayashi, Shinji Isogami, Teruo Ono, Takahiro Moriyama, Yukiko K. Takahashi, Kihiro T. Yamada
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 212401 (2023)
https://doi.org/10.1063/5.0168138
Published: November 2023
View article titled, Ultrafast spin-to-charge conversion in antiferromagnetic (111)-oriented L1<sub>2</sub>-Mn<sub>3</sub>Ir
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Includes: Supplementary data
Journal Articles

Near-room temperature topological Hall effect at spin reorientations in sputtered NdCo5−xCux thin film

Satoshi Sugimoto, Yukiko K. Takahashi, Shinya Kasai
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 182404 (2022)
https://doi.org/10.1063/5.0128572
Published: November 2022
View article titled, Near-room temperature topological Hall effect at spin reorientations in sputtered NdCo<sub>5−</sub><sub><em>x</em></sub>Cu<sub><em>x</em></sub> thin film
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Journal Articles

Using numerical analysis of ordinary differential equation systems to predict the chemical concentration after plasma irradiation

T. Kladphet, V. P. Thai, W. T. L. S. Fernando, K. Takahashi, T. Kikuchi, T. Sasaki
Journal: AIP Advances
AIP Advances 12, 055116 (2022)
https://doi.org/10.1063/5.0091403
Published: May 2022
View article titled, Using numerical analysis of ordinary differential equation systems to predict the chemical concentration after plasma irradiation
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Journal Articles

Impact of B-doping on topological Hall resistivity in (111)- and (110)-oriented Mn4N single layers with the non-collinear spin structure

Shinji Isogami, Mitsuru Ohtake, Yukiko K. Takahashi
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 073904 (2022)
https://doi.org/10.1063/5.0083042
Published: February 2022
View article titled, Impact of B-doping on topological Hall resistivity in (111)- and (110)-oriented Mn<sub>4</sub>N single layers with the non-collinear spin structure
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Includes: Supplementary data
Journal Articles

Numerical simulation of reservoir computing with magnetic nanowire lattices without inversion symmetry

K. Hon, K. Takahashi, K. Enju, M. Goto, Y. Suzuki, H. Nomura
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 022404 (2022)
https://doi.org/10.1063/5.0073465
Published: January 2022
View article titled, Numerical simulation of reservoir computing with magnetic nanowire lattices without inversion symmetry
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Journal Articles

Efficient current-driven magnetization switching owing to isotropic magnetism in a highly symmetric 111-oriented Mn4N epitaxial single layer

Editor’s Pick
Shinji Isogami, Nagalingam Rajamanickam, Yusuke Kozuka, Yukiko K. Takahashi
Journal: AIP Advances
AIP Advances 11, 105314 (2021)
https://doi.org/10.1063/5.0062253
Published: October 2021
View article titled, Efficient current-driven magnetization switching owing to isotropic magnetism in a highly symmetric 111-oriented Mn<sub>4</sub>N epitaxial single layer
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Includes: Supplementary data
Journal Articles

Origin of magnetic anisotropy, role of induced magnetic moment, and all-optical magnetization switching for Co100−xGdx/Pt multilayers

J. Wang, T. Seki, Y.-C. Lau, Y. K. Takahashi, K. Takanashi
Journal: APL Materials
APL Mater. 9, 061110 (2021)
https://doi.org/10.1063/5.0050985
Published: June 2021
View article titled, Origin of magnetic anisotropy, role of induced magnetic moment, and all-optical magnetization switching for Co<sub>100−<em>x</em></sub>Gd<sub><em>x</em></sub>/Pt multilayers
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Journal Articles

Reduction of Nd moments and local magnetic anisotropy in Nd2Fe14B single crystals

H. Sato, Y. Kubo, T. Yoshioka, H. Tsuchiura, Y. Mizuno, K. Koike, K. Takahashi, H. Kato
Journal: AIP Advances
AIP Advances 11, 025224 (2021)
https://doi.org/10.1063/9.0000148
Published: February 2021
View article titled, Reduction of Nd moments and local magnetic anisotropy in Nd<sub>2</sub>Fe<sub>14</sub>B single crystals
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Journal Articles

Single-domain formation of SrMnBi2 films on polar LaAlO3 substrate

K. Takahashi, J. Shiogai, H. Inoue, S. Ito, S. Kimura, S. Awaji, A. Tsukazaki
Journal: AIP Advances
AIP Advances 10, 105216 (2020)
https://doi.org/10.1063/5.0021771
Published: October 2020
View article titled, Single-domain formation of SrMnBi<sub>2</sub> films on polar LaAlO<sub>3</sub> substrate
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Includes: Supplementary data
Journal Articles

Operations with spherical calorimetric loads in different configurations at gyrotron test stands at EPFL and QST

W. Bin, A. Bruschi, F. Fanale, F. Lucca, S. Alberti, G. Carannante, M. Cavinato, T. Goodman, J.-P. Hogge, F. Legrand, F. Sanchez, K. Takahashi, F. Albajar, I. Chelis, F. Dell’Era, D. Fasel, G. Gantenbein, G. Granucci, R. Ikeda, S. Illy, Z. Ioannidis, J. Jelonnek, V. Mellera, Minelli, A. Nardone, Y. Oda, I. Pagonakis, N. Rispoli, T. Rzesnicki, Sartori, M. Silva, A. Simonetto, M. Thumm, I. Tigelis
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2254, 090004 (2020)
https://doi.org/10.1063/5.0013651
Published: September 2020
View article titled, Operations with spherical calorimetric loads in different configurations at gyrotron test stands at EPFL and QST
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Journal Articles

Controlling of the Dirac band states of Pb-deposited graphene by using work function difference

Y. Tsujikawa, M. Sakamoto, Y. Yokoi, M. Imamura, K. Takahashi, R. Hobara, T. Uchihashi, A. Takayama
Journal: AIP Advances
AIP Advances 10, 085314 (2020)
https://doi.org/10.1063/5.0013797
Published: August 2020
View article titled, Controlling of the Dirac band states of Pb-deposited graphene by using work function difference
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Journal Articles

Spin injection efficiency through the pumping in epitaxial Co2MnSi/Pt thin film

Y. Sasaki, S. Sugimoto, Y. K. Takahashi, S. Kasai
Journal: AIP Advances
AIP Advances 10, 085311 (2020)
https://doi.org/10.1063/5.0008393
Published: August 2020
View article titled, Spin injection efficiency through the pumping in epitaxial Co<sub>2</sub>MnSi/Pt thin film
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Journal Articles

Generation of multipeak spectrum of spin torque oscillator in non-linear regime

Shuichi Iwakiri, Satoshi Sugimoto, Yasuhiro Niimi, Kensuke Kobayashi, Yusuke Kozuka, Yukiko K. Takahashi, Shinya Kasai
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 022406 (2020)
https://doi.org/10.1063/5.0013102
Published: July 2020
View article titled, Generation of multipeak spectrum of spin torque oscillator in non-linear regime
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Journal Articles

Characteristics of plasma window with various channel diameters for accelerator applications

N. Ikoma, Y. Miyake, M. Takahashi, H. Okuno, S. Namba, K. Takahashi, T. Sasaki, T. Kikuchi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 053503 (2020)
https://doi.org/10.1063/1.5140709
Published: May 2020
View article titled, Characteristics of plasma window with various channel diameters for accelerator applications
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Journal Articles

Simulation study for magnetic levitation in pure water exploiting the ultra-high magnetic field gradient product of a hybrid trapped field magnet lens (HTFML)

K. Takahashi, H. Fujishiro, M. D. Ainslie
Journal: Journal of Applied Physics
J. Appl. Phys. 127, 185106 (2020)
https://doi.org/10.1063/5.0005356
Published: May 2020
View article titled, Simulation study for magnetic levitation in pure water exploiting the ultra-high magnetic field gradient product of a hybrid trapped field magnet lens (HTFML)
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Journal Articles

Optimization of laser-target parameters for the production of stable lithium beam

A. Cannavò, K. Takahashi, M. Okamura, G. Ceccio, T. Kanesue, S. Ikeda
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 033317 (2020)
https://doi.org/10.1063/1.5128547
Published: March 2020
View article titled, Optimization of laser-target parameters for the production of stable lithium beam
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Journal Articles

Observation of the magnetization metastable state in a perpendicularly magnetized nanopillar with asymmetric potential landscape

Shuichi Iwakiri, Satoshi Sugimoto, Yasuhiro Niimi, Kensuke Kobayashi, Yukiko K. Takahashi, Shinya Kasai
Journal: Applied Physics Letters
Appl. Phys. Lett. 115, 092407 (2019)
https://doi.org/10.1063/1.5098866
Published: August 2019
View article titled, Observation of the magnetization metastable state in a perpendicularly magnetized nanopillar with asymmetric potential landscape
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Journal Articles

Pressure-induced reentrant structural transition and equation of state of indium

Y. Akahama, K. Takahashi, K. Kamiue, T. Sugimoto, N. Hirao, Y. Ohishi
Journal: Journal of Applied Physics
J. Appl. Phys. 125, 075901 (2019)
https://doi.org/10.1063/1.5086318
Published: February 2019
View article titled, Pressure-induced reentrant structural transition and equation of state of indium
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