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NIMS Awardシンポジウム2026

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クルニアワン イヴァン

クルニアワン イヴァン (KURNIAWAN, Ivan) 0000-0001-5419-0047

Address
305-0047 茨城県つくば市千現1-2-1 [アクセス]

[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]

論文 TSV

2026
  1. Jieyi Chen, Ivan Kurniawan, Shoya Sakamoto, Hidetoshi Kosaki, Erkang Wei, Tempei Hatajiri, Kazuya Ando, Keisuke Masuda, Shinji Miwa. Large Interband-Driven Anisotropic Gilbert Damping of a Few Atomic Layers of Fe in Contact with MgO. Nano Letters. 26 [31] (2026) 10407-10412 10.1021/acs.nanolett.6c02394
  2. Kodchakorn Simalaotao, Ivan Kurniawan, Yoshio Miura, Yuya Sakuraba. Phase dominance and compositional disorder effects in Cu–Zn spacer alloys for spin-dependent transport in Co2FeGa0.5Ge0.5-based junctions: A first-principles study. Journal of Applied Physics. 139 [17] (2026) 173902 10.1063/5.0324668
  3. Shigenori Ueda, Yuichi Fujita, Ivan Kurniawan, Yuya Sakuraba, Yoshio Miura. Temperature- and depth-dependent valence band electronic structures of half-metallic Co 2 MnSi studied by hard x-ray photoemission spectroscopy. Physical Review B. 113 [6] (2026) 064430 10.1103/9yd3-16w6 Open Access
2025
  1. I Kurniawan, K Masuda, Y Miura. Theory of tunnel magnetoresistance in magnetic tunnel junctions with hexagonal boron nitride barriers: mechanism and application to ferromagnetic alloy electrodes. Journal of Physics D: Applied Physics. 58 [46] (2025) 465302 10.1088/1361-6463/ae1b18
  2. Kodchakorn Simalaotao, Ivan Kurniawan, Yoshio Miura, Yuya Sakuraba. Searching for Cu-X spacers using a half-metallic Co2FeGa0.5Ge0.5 electrode to boost magnetoresistance in CPP-GMR devices: a first-principles study. Journal of Physics D: Applied Physics. 58 [39] (2025) 395303 10.1088/1361-6463/ae06ad Open Access
  3. Ivan Kurniawan, Keita Ito, Takeshi Seki, Keisuke Masuda, Yoshio Miura. Microscopic correlation between magnetostriction and magnetic damping. Physical Review B. 112 [10] (2025) L100407 10.1103/g47q-qyxj Open Access
2023
  1. Ivan Kurniawan, Yoshio Miura, Guangzong Xing, Terumasa Tadano, Kazuhiro Hono. Theoretical study of the effect of lattice dynamics on the damping constant of FePt at finite temperature. Physical Review B. 108 [9] (2023) 094426 10.1103/physrevb.108.094426 Open Access
2022
  1. Xin Tang, H. Sepehri-Amin, N. Terada, A. Martin-Cid, I. Kurniawan, S. Kobayashi, Y. Kotani, H. Takeya, J. Lai, Y. Matsushita, T. Ohkubo, Y. Miura, T. Nakamura, K. Hono. Magnetic refrigeration material operating at a full temperature range required for hydrogen liquefaction. Nature Communications. 13 [1] (2022) 1817 10.1038/s41467-022-29340-2 Open Access
  2. Ruma Mandal, Yuta Sasaki, Ivan Kurniawan, Jiwon Jung, Yoshio Miura, Yuya Sakuraba, Kazuhiro Hono, Yukiko K. Takahashi. Estimation of Magnetic Gilbert Damping at High Temperature: An Approach of Ferromagnetic Resonance Study. ACS Applied Electronic Materials. 4 [9] (2022) 4741-4747 10.1021/acsaelm.2c00946
  3. Ivan Kurniawan, Yoshio Miura, Kazuhiro Hono. Machine learning study of highly spin-polarized Heusler alloys at finite temperature. Physical Review Materials. 6 [9] (2022) L091402 10.1103/physrevmaterials.6.l091402 Open Access
  4. Varun Kumar Kushwaha, Yuya Sakuraba, Tomoya Nakatani, Taisuke Sasaki, Ivan Kurniawan, Yoshio Miura, Hiroo Tajiri, Kazuhiro Hono. High L21-atomic ordering and spin-polarization in Co2MnZ (Z = Ge, Sn) Heusler thin films with low-temperature annealing process. APL Materials. 10 [9] (2022) 091119 10.1063/5.0117593 Open Access
  5. Ruma Mandal, Ivan Kurniawan, Ippei Suzuki, Zhenchao Wen, Yoshio Miura, Takahide Kubota, Koki Takanashi, Tadakatsu Ohkubo, Kazuhiro Hono, Yukiko K Takahashi. Nanoscale-Thick Ni-Based Half-Heusler Alloys with Structural Ordering-Dependent Ultralow Magnetic Damping: Implications for Spintronic Applications. ACS Applied Nano Materials. 5 [1] (2022) 569-577 10.1021/acsanm.1c03378
2021
  1. Ivan Kurniawan, Kenji Nawa, Keisuke Masuda, Yoshio Miura, Kazuhiro Hono. First-principles disordered local-moment study on temperature dependence of spin polarization in Co2Fe(Ga0.5Ge0.5) Heusler alloy. ACTA MATERIALIA. (2021) 117218 10.1016/j.actamat.2021.117218
2020
  1. K. Goto, L. S. R. Kumara, Y. Sakuraba, Y. Miura, I. Kurniawan, A. Yasui, H. Tajiri, Y. Fujita, Z. Chen, K. Hono. Effects of the atomic order on the half-metallic electronic structure in the Co2Fe(Ga0.5Ge0.5) Heusler alloy thin film. Physical Review Materials. 4 [11] (2020) 114406 10.1103/physrevmaterials.4.114406
  2. Kenji Nawa, Ivan Kurniawan, Keisuke Masuda, Yoshio Miura, Christopher E. Patrick, Julie B. Staunton. Temperature-dependent spin polarization of Heusler Co2MnSi from the disordered local-moment approach: Effects of atomic disordering and nonstoichiometry. Physical Review B. 102 [5] (2020) 054424 10.1103/physrevb.102.054424 Open Access

書籍 TSV

会議録 TSV

口頭発表 TSV

2026
  1. 増田 啓介, クルニアワン イヴァン, 三浦 良雄. 層状絶縁体におけるトンネル磁気抵抗効果の理論. 2026年 第87回応用物理学会秋季学術講演会. 2026 招待講演
  2. KURNIAWAN, Ivan, Guangzong Xing, MIURA, Yoshio, MASUDA, Keisuke. Materials exploration for large anomalous Hall and Nernst effects in L10-based alloys. 2026年 第87回応用物理学会秋季学術講演会. 2026
  3. UEDA, Shigenori, FUJITA, Yuichi, KURNIAWAN, Ivan, SAKURABA, Yuya, MIURA, Yoshio. Impact of spin-wave excitations on electronic states of half-metallic Co2MnSi studied by temperature-dependent hard x-ray photoemission spectroscopy. 11th International Conference on Hard X-ray Photoelectron Spectroscopy (HAXPES 2026). 2026
2025
  1. Jieyi Chen, 坂本 祥哉, KURNIAWAN, Ivan, 甲崎 秀俊, Erkang Wei, 畑尻 天平, MASUDA, Keisuke, 三輪 真嗣. Anisotropic Gilbert damping in the V/Fe/MgO multilayer. 第86回応用物理学会秋季学術講演会. 2025
  2. KURNIAWAN, Ivan, MASUDA, Keisuke, MIURA, Yoshio. First-principles study of hcp-Co_{1-x}Ni_{x}|h-BN|hcp-Co_{1-x}Ni_{x} magnetic tunnel junction. 第86回応用物理学会秋季学術講演会. 2025
  3. KURNIAWAN, Ivan, Keita Ito, Takeshi Seki, MASUDA, Keisuke, MIURA, Yoshio. Ab-initio study on correlation between magnetostriction and magnetic damping. The 7th International Conference of Asian Union of Magnetics Societies (IcAUMS 2025). 2025
  4. KURNIAWAN, Ivan, Keita Ito, Takeshi Seki, MASUDA, Keisuke, MIURA, Yoshio. Understanding the microscopic origin of the relation between magnetoelasticity and magnetic damping constant in Fe4xCo4-4xN. The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag 2025 (2025 Joint MMM-Intermag). 2025
2022
  1. KURNIAWAN, Ivan, MIURA, Yoshio, HONO, Kazuhiro. Machine learning study of highly spin-polarized Heusler alloys at finite temperature. The 83rd JSAP Autumn Meeting 2022 第83回応用物理学会秋季学術講演会. 2022
2021
  1. クルニアワン イヴァン, 名和 憲嗣, 増田 啓介, 三浦 良雄, 宝野 和博. First-Principles Disordered Local-Moment Study on Temperature Dependence of Spin Polarization in Co2Fe(Ga0.5Ge0.5) Heusler Alloy. 第82回 応用物理学会秋季学術講演会 The 82th JSAP Autumn Meeting 2021. 2021
  2. クシュワハ ヴァルン クマール, 桜庭 裕弥, 中谷 友也, 佐々木 泰祐, クルニアワン イヴァン, 宝野 和博. Enhancement of L21-atomic order and spin-polarization in Co2MnZ (Z = Ge, Sn) Heusler thin films by low-temperature annealing process. INTERMAG2021. 2021
2019
  1. SAKURABA, Yuya, GOTO, Kazuki, MIURA, Yoshio, HONO, Kazuhiro, 田尻寛男, KURNIAWAN, Ivan, 木村昭夫, CHEN, Zixi, 保井晃, Rosantha Kumara. The atomic ordering dependence of valence electronic structure in half-metallic Co2Fe(Ga0.5Ge0.5) Heusler alloy observed by hard X-ray photoemission spectroscopy. MMM2019. 2019
  2. GOTO, Kazuki, SAKURABA, Yuya, MIURA, Yoshio, KURNIAWAN, Ivan, 保井晃, Rosantha Kumara, CHEN, Zixi, 田尻寛男, 木村昭夫, HONO, Kazuhiro. The atomic ordering dependence of valence electronic structure in half-metallic Co2Fe(Ga0.5Ge0.5) Heusler alloy observed by hard X-ray photoemission spectroscopy. The 19th International Conference on Solid Films and Surfaces. 2019
  3. GOTO, Kazuki, SAKURABA, Yuya, MIURA, Yoshio, KURNIAWAN, Ivan, Rosantha Kumara, 保井晃, CHEN, Zixi, 田尻寛男, 木村昭夫, HONO, Kazuhiro. The atomic ordering dependence of valence electronic structure in half-metallic Co2Fe(Ga0.5Ge0.5) Heusler alloy observed by hard X-ray photoemission spectroscopy. 第80回応用物理学会秋季学術講演会. 2019

その他の文献 TSV

公開特許出願 TSV

  1. 室温高スピン偏極のホイスラー合金、並びにこれを用いた膜面垂直電流巨大磁気抵抗素子、トンネル磁気抵抗素子、及びこれらを用いた磁気デバイス、並びにこれを用いた半導体スピン注入素子及びこれを用いた発光素子 (2023)

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