1. Daniel Halliday, Izidor Benedičič, Andela Zivanovic, Masahiro Naritsuka, Brendan Edwards, Tommaso Antonelli, Naoki Kikugawa, Dmitry A. Sokolov, Craig Polley, Andrew P. Mackenzie, Georg Held, Phil D. C. King, Peter Wahl. Correlated Insulator at the Surface of the Polar Metal ${\mathrm{Ca}}_3{\text{Ru}}_2{O}_7$. Physical Review Letters. 137 [9] 096503-1-096503-8. 2026. Open Access
2. Shunichiro Kittaka, Yohei Kono, Toshiro Sakakibara, Naoki Kikugawa, Shinya Uji, Dmitry A. Sokolov, Kazushige Machida. High-Resolution Magnetostriction Measurements of the Pauli-Limited Superconductor Sr ₂ RuO ₄. Journal of the Physical Society of Japan. 95 [1] 014704-1 -014704-6. 2026. Open Access

2025

1. J. Schultz, A. Lubk, F. Jerzembeck, N. Kikugawa, M. Knupfer, D. Wolf, B. Büchner, J. Fink. Optical and acoustic plasmons in the layered material Sr2RuO4. Nature Communications. 16 [1] 4287-1-4287-12. 2025. Open Access
2. Masatomo Sumiya, Yasutaka Imanaka, Yoshitaka Nakano. Effect of strain-induced defects in GaN channel on two-dimensional carrier transport in AlGaN/GaN heterostructures. Applied Physics Letters. 127 [10] 101602-1-101602-7. 2025. Open Access
3. H. Tamatsukuri, T. Uchihara, S. Mitsuda, Y. Ishii, H. Nakao, K. Takehana, Y. Imanaka. Magnetoferroelectric phase transition induced by latent spin-lattice coupling in the geometrically frustrated magnet ${\mathrm{CuFe}}_{0.95}{\mathrm{Al}}_{0.05}{O}_2$. Physical Review B. 111 [13] 134403-1-134403-9. 2025. Open Access
4. Yuka Kusanose, Yasuyuki Shimura, Kazunori Umeo, Naomi Kawata, Toshiro Takabatake, Taichi Terashima, Naoki Kikugawa, Takako Konoike, Yuya Hattori, Kazuhiro Nawa, Hung-Cheng Wu, Taku J Sato, Takahiro Onimaru. Multipolar phase transition in the $4f^2$ fcc lattice compound ${\mathrm{PrCdNi}}_4$. Physical Review B. 111 [16] 165125-1-165125-9. 2025. Open Access

2024

1. Taichi Terashima, Yuki Tokumoto, Takako Konoike, Naoki Kikugawa. Anomalous upper critical field in the quasicrystal superconductor Ta1.6Te. npj Quantum Materials. 9 [1] 56-1-56-6. 2024. Open Access
2. Naoki Kikugawa. Recent Progress of Floating-Zone Techniques for Bulk Single-Crystal Growth. Crystals. 14 [6] 552-552-21. 2024. Open Access
3. Hiroaki Hayashi, Moyu Kato, Taichi Terashima, Naoki Kikugawa, Hiroya Sakurai, Kazunari Yamaura. Exploring the Magnetic Phase Diagram and Hall Resistivity Suppression in Centrosymmetric GdOs₂Si₂ Single Crystal. Journal of the Physical Society of Japan. 93 [9] 094702-1-094702-5. 2024. Open Access
4. Eli Mueller, Naoki Kikugawa. Superconducting penetration depth through a Van Hove singularity: ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ under uniaxial stress. Physical Review B. 110 [10] L100502-1-L100502-7. 2024. Open Access
5. J. F. Landaeta, N. Kikugawa. Evidence for vertical line nodes in ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ from nonlocal electrodynamics. Physical Review B. 110 [10] L100503-1-L100503-7. 2024. Open Access
6. Fei Sun, Naoki Kikugawa. The Lorenz ratio as a guide to scattering contributions to transport in strongly correlated metals. Proceedings of the National Academy of Sciences. 121 [35] e2318159121-1-e2318159121-6. 2024. Open Access
7. Jacob P. Ruf, Naoki Kikugawa. Controllable suppression of the unconventional superconductivity in bulk and thin-film ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ via high-energy electron irradiation. Physical Review Research. 6 [3] 033178-1-033178-17. 2024. Open Access
8. Fabian Jerzembeck, Naoki Kikugawa. $T_c$ and the elastocaloric effect of ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ under $\langle 110\rangle$ uniaxial stress: No indications of transition splitting. Physical Review B. 110 [6] 064514-1-064514-16. 2024. Open Access
9. Caitlin I. O’Neil, Naoki Kikugawa. Determination of the dynamic Young’s modulus of quantum materials in piezoactuator-driven uniaxial pressure cells using a low-frequency AC method. Review of Scientific Instruments. 95 [7] 073909-1-073909-11. 2024. Open Access
10. S. Yamada, Y. Imanaka. Magnetoresistance analysis of two-dimensional hole gases in GaN/AlGaN/GaN double heterostructures. Applied Physics Letters. 124 [26] 262102-1-262102-6. 2024. Open Access
11. Rei Nishinakayama, Naoki Kikugawa. Negatively enhanced thermopower near a Van Hove singularity in electron-doped ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$. Physical Review Research. 6 [2] 023222-1-023222-10. 2024. Open Access
12. Fumiya Matsunaga, Kanji Takehana, Yasutaka Imanaka. Anisotropic optical conductivity accompanied by a small energy gap in the one-dimensional thermoelectric telluride ${\mathrm{Ta}}_4{\mathrm{SiTe}}_4$. Physical Review B. 109 [16] L161105. 2024. Open Access
13. 名嘉 節, バレンタ ヤロスラフ, 中根 茂行, 石井聡, 中山 美奈子, 間宮 広明, 竹端 寛治, 辻井 直人, 今中 康貴, 松下 能孝, 打越 哲郎, 遊佐 斉. Phase transitions and slow spin dynamics of slightly inverted A-site spinel CoAl_2−x Ga _x O₄. Journal of Physics: Condensed Matter. 36 [12] 125801. 2024. Open Access
14. Naoki Kikugawa, Shinya Uji, Taichi Terashima. Anomalous Hall effect in the magnetic Weyl semimetal NdAlGe with plateaus observed at low temperatures. Physical Review B. 109 [3] 035143. 2024. Open Access

2023

1. Naoki Kikugawa, Taichi Terashima, Takashi Kato, Momoko Hayashi, Hitoshi Yamaguchi, Shinya Uji. Bulk Physical Properties of a Magnetic Weyl Semimetal Candidate NdAlGe Grown by a Laser Floating-Zone Method. Inorganics. 11 [1] 20. 2023. Open Access
2. Naoki Kikugawa, Takashi Kato, Momoko Hayashi, Hitoshi Yamaguchi. Single-Crystal Growth of a Cubic Laves-Phase Ferromagnet HoAl2 by a Laser Floating-Zone Method. Crystals. 13 [5] 760. 2023. Open Access
3. H. Suzuki, N. Kikugawa. Distinct spin and orbital dynamics in Sr2RuO4. Nature Communications. 14 [1] 7042. 2023.
4. Carsten Putzke, 菊川 直樹. Layered metals as polarized transparent conductors. Nature Communications. 14 [1] 3147. 2023.
5. Rustem Khasanov, Naoki Kikugawa. In-Plane Magnetic Penetration Depth in ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$: Muon-Spin Rotation and Relaxation Study. Physical Review Letters. 131 [23] 236001. 2023.
6. H. M. L. Noad, N. Kikugawa. Giant lattice softening at a Lifshitz transition in Sr ₂ RuO ₄. Science. 382 [6669] 447-450. 2023.
7. Masatomo Sumiya, Osamu Goto, Yuki Takahara, Yasutaka Imanaka, Liwen Sang. Fabrication of AlGaN/GaN heterostructures on halide vapor phase epitaxy AlN/SiC templates for high electron mobility transistor application. Japanese Journal of Applied Physics. 62 [8] 085501. 2023. Open Access
8. Po-Ya Yang, Naoki Kikugawa. Probing Momentum-Dependent Scattering in Uniaxially Stressed ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ through the Hall Effect. Physical Review Letters. 131 [3] 036301. 2023.
9. F. Sun, N. Kikugawa. A spatially resolved optical method to measure thermal diffusivity. Review of Scientific Instruments. 94 [4] 043003. 2023.
10. Taichi Terashima, Hishiro T. Hirose, Naoki Kikugawa, Shinya Uji, David Graf. ${\text{CeFe}}_2{\text{Al}}_{10}$: A correlated metal with a Fermi surface exhibiting nonmetallic conduction. Physical Review B. 107 [15] 155118. 2023.
11. Fabian Jerzembeck, Naoki Kikugawa. Upper critical field of ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ under in-plane uniaxial pressure. Physical Review B. 107 [6] 064509. 2023.
12. Edgar Abarca Morales, Naoki Kikugawa. Hierarchy of Lifshitz Transitions in the Surface Electronic Structure of ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ under Uniaxial Compression. Physical Review Letters. 130 [9] 096401. 2023.
13. Vadim Grinenko, Naoki Kikugawa. $\mu \mathrm{SR}$ measurements on ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ under $\langle 110\rangle$ uniaxial stress. Physical Review B. 107 [2] 024508. 2023.

1. Hiroaki Hayashi, Hiroyuki K. Yoshida, Hiroya Sakurai, Naoki Kikugawa, Kazunari Yamaura. Crystal Growth and Physical Properties of GdOs₂Si₂. Proceedings of the 29th International Conference on Low Temperature Physics (LT29). 2023.

1. IMANAKA, Yasutaka, 谷内 息吹, 秋山 了太, 長谷川 修司, Y. Zhuo, 松田 康弘. High field cyclotron resonance in Bi thin films. 1000T Science Workshop "QUEST FOR THE NON-PERTURBATIVE MAGNETIC FIELD EFFECTS IN THE 1000-TESLA MAGNETIC FIELD REGION". 2025.
2. 今中 康貴, 角谷 正友. AlGaN/GaN ヘテロ構造における強磁場サイクロトロン共鳴. 日本物理学会 第80回年次大会 (2025年). 2025.
3. 竹端 寛治, 今中 康貴, 仁野 平諒, 矢口 宏, 山田 暉馨, 伏屋 雄紀, 木下 雄斗, 徳永 将史. Bi1-xSbxにおけるサイクロトロン共鳴測定 II. 日本物理学会 第80回年次大会 2025年. 2025.
4. 角谷 正友, 中野由崇, 今中 康貴. AlGaN/GaNヘテロ界面でのAlNインタ層の効果 ― 歪誘起欠陥形成の抑制による2DEG移動度の向上 ―. 第86回応用物理学会秋季学術講演会. 2025.

2024

1. IMANAKA, Yasutaka. Magneto-optical studies in 2D carrier systems of semiconductor and semimetal under high magnetic field. NIMS Award Symposium 2024. 2024.
2. MATSUMOTO, Shinji, IMANAKA, Yasutaka. Water-cooled Bitter Magnet for Measurement in High Magnetic Fields. NIMS AWARD SYMPOSIUM 2024. 2024.
3. KIKUGAWA, Naoki. Physical Properties of Quantum Materials under Low Temperature and High Magnetic Field. NIMS Award Symposium 2024. 2024.
4. TAKEHANA, Kanji, IMANAKA, Yasutaka. Development of the terahertz magneto-spectroscopic system with helium-3 refrigerator. NIMS Award シンポジウム 2024. 2024.
5. 今中 康貴, 谷内 息吹, 秋山 了太, 長谷川 修司. BiSb薄膜における強磁場サイクロトロン共鳴. 日本物理学会第７９回年次大会. 2024.
6. 竹端 寛治, 今中 康貴. ヘリウム3冷却強磁場テラヘルツ分光装置の開発. 日本物理学会　第79回年次大会. 2024.
7. 角谷 正友, 今中 康貴, 中野由崇, 竹端 寛治. AlGaN/GaNヘテロ界面でのキャリア輸送特性と欠陥分布. 第８５回応用物理学会秋季学術講演会. 2024.
8. 櫻井 裕也, 菊川 直樹, 辻井 直人. RNi4B（R = Gd ~ Er）とその関連物質の磁性と磁気熱量効果. 第40回希土類討論会. 2024.
9. 寺嶋 太一, 徳本 有紀, 鴻池 貴子, 菊川 直樹. 準結晶超伝導体Ta_1.6_Teの上部臨界磁場の異常な振る舞い. 日本物理学会 2024年春季大会. 2024.
10. 岡本佳比古, 竹端 寛治, 今中 康貴. 低温用熱電変換材料 Ta4SiTe4 の光反射分光 II. 日本物理学会2024年春季大会. 2024.
11. TERASHIMA, Taichi, 徳本 有紀, KONOIKE, Takako, KIKUGAWA, Naoki. Anomalous upper critical field in the quasicrystal superconductor Ta_1.6_Te. March Meeting 2024 (APS). 2024. Open Access
12. KIKUGAWA, Naoki, UJI, Shinya, TERASHIMA, Taichi. Anomalous Hall effect with plateaus in a magnetic Weyl semimetal candidate NdAlGe. CEMS Symposium on Emergent Quantum Materials 2024. 2024.

2023

1. 菊川 直樹. 浮遊帯域法による量子マテリアル系酸化物・合金の単結晶育成とその電子物性. 第17回日本フラックス成長研究発表会. 2023. 招待講演
2. 徳本 有紀, 鴻池 貴子, 菊川 直樹, 寺嶋 太一. Ta–Te系ファンデルワールス層状準結晶の超伝導. 第17回物性科学領域横断研究会. 2023.
3. 菊川 直樹. 浮遊帯域法による量子マテリアルの単結晶育成とその物性. 結晶育成と電子物性に関する研究会. 2023. 招待講演
4. SAKURAI, Hiroya, KIKUGAWA, Naoki, TSUJII, Naohito. Magnetocaloric properties of rare-earth nickel borides. International Conference on Powder and Powder Metallurgy, 2023, Kyoto. 2023.
5. 西中山怜, 菊川 直樹. 電子ドープ型Sr2-yLayRuO4におけるリフシッツ転移を反映した熱電輸送現象. 日本物理学会 第78回 年次大会. 2023.
6. 竹端 寛治, 今中 康貴, 伏屋雄紀. Bi1-xSbxにおけるサイクロトロン共鳴測定. 日本物理学会　第78回年次大会. 2023.
7. 菊川 直樹, 寺嶋 太一, 加藤 健, 林 百子, 山口 仁志, 宇治 進也. 磁性ワイル候補物質 NdAlGe の低温物性. 日本物理学会 第78回 年次大会. 2023.
8. 丸山 寛太, 竹端 寛治, 今中 康貴. ノーダルライン半金属候補物質 IrO2 の電子状態の解明. 強相関電子系のフロンティア. 2023.
9. 丸山 寛太, TAKEHANA, Kanji, IMANAKA, Yasutaka. Electronic structure of the nodal line semimetal candidate IrO2. INternational Conference on Quantum Liquid Crystals 2023. 2023.
10. 内原 猛, 竹端 寛治, 今中 康貴. 自発格子変形を伴わない磁性誘電マルチフェロイクス CuFe0.95Al0.05O2の一軸応力・磁場中放射光x線による探査. 日本物理学会2023年春季大会. 2023.
11. 丸山 寛太, 竹端 寛治, 今中 康貴. ノーダルライン半金属候補物質 IrO2 の電子状態の解明. 日本物理学会2023年春季大会. 2023.
12. 松本 真治, 今中 康貴. Bitter型磁石による繰り返しパルス強磁場発生. NIMS先端計測シンポジウム2023. 2023.
13. 今中 康貴, 竹端 寛治, 松本 真治. 先端強磁場計測技術の開発と物性研究への応用. NIMS先端計測シンポジウム2023. 2023.
14. 竹端 寛治, 今中 康貴, 伏屋雄紀. 強磁場反射型テラヘルツ分光によるビスマスの電子状態に関する研究. NIMS先端計測シンポジウム2023. 2023.

1. F. Sun, S. Mishra, P. H. McGuinness, Z. H. Filipiak, I. Marković, D. A. Sokolov, N. Kikugawa, J. W. Orenstein, S. A. Hartnoll, A. P. Mackenzie, V. Sunko. Response to “Comment on ‘A spatially resolved optical method to measure thermal diffusivity’” [Rev. Sci. Instrum. 95, 047101 (2024)]. REVIEW OF SCIENTIFIC INSTRUMENTS. 95 [4] 047102-1-047102-2. 2024. Open Access