Published Papers - NAKANISHI Yoshiki

Non-Kramers doublet ground state in a quaternary cubic compound PrRu₂In₂Zn₁₈ investigated by ultrasonic measurements

Hua-Yuan Zhang, Kazuhei Wakiya, Mitsuteru Nakamura, Masahito Yoshizawa and Yoshiki Nakanishi

Chinese Physics B ( Elsevier )  33   064301 - 064301   2024.03  [Refereed]

Academic Journal  Multiple authorship

DOI

Emergence of Elastic Softening Featuring Ultra-Slow Dynamics Around Magnetic Critical Endpoint in UCoAl

Masahito Yoshizawa, Yusei Shimizu, Yoshiki Nakanishi, Yoshiya Homma, Ai Nakamura, Fuminori Honda, and Dai Aoki

J. Phys. Soc. Jpn. ( 日本物理学会 )  92   104603 - 104603   2023.09  [Refereed]

Academic Journal  Multiple authorship

DOI

Ultrasonic Investigation of the Eu-based Intermetallic System EuZn₂Ge₂

Taichi Yoshida, Kensuke Jin, Kazuhei Wakiya, Mitsuteru Nakamura, Masahito Yoshizawa, Yuji Muro and Yoshiki Nakanishi

New Physics.: Sae Mulli ( The Korean Physical Society )  73   1046 - 1046   2023.09  [Refereed]

Academic Journal  Multiple authorship

DOI

Ultrasonic investigation of the elastic properties of the approximant GdCd₆

Taichi Yoshida, Kensuke Jin, Kazuhei Wakiya, Mitsuteru Nakamura, Masahito Yoshizawa, Yuji Muro and Yoshiki Nakanishi

solid state communications ( Elsevier )  373-374   115305 - 115305   2023.08  [Refereed]

Academic Journal  Multiple authorship

DOI

Low-temperature and elastic properties of the 1/1 Tsai-type quasicrystal approximant GdCd₆ investigated by ultrasonic measurements

Taichi Yoshida, Kensuke Jin, Kazuhei Wakiya, Mitsuteru Nakamura, Masahito Yoshizawa, Yuji Muro and Yoshiki Nakanishi

J. Phys. Condens. Matter ( IOP Publishing )  35   2022.12  [Refereed]

Academic Journal  Multiple authorship

DOI

Elastic Properties of the Approximant TbCd₆ Proved by Ultrasonic Measurements

K. Fujikawa, T. Yoshida, K. Wakiya, M. T. Nakamura, M. Yoshizawa, Y. Muro, and Y. Nakanishi

JPS Conf. Proc.   38   011104   2022.10  [Refereed]

Academic Journal  Multiple authorship

DOI

Elastic Property of EuAl₄ Probed by Ultrasonic Measurements

T. Sato, N. Shishiki, K. Wakiya, M. T. Nakamura, M. Yoshizawa, M. Hedo, A. Nakamura, Y. Ônuki, and Y. Nakanishi

JPS Conf. Proc.   38   011097   2022.10  [Refereed]

Academic Journal  Multiple authorship

DOI

Elastic Properties of the Approximant GdCd₆ Proved by Ultrasonic Measurements

K. Jin, T. Yoshida, K. Wakiya, M. T. Nakamura, M. Yoshizawa, Y. Muro, and Y. Nakanishi

JPS Conf. Proc.   38   011102   2022.10  [Refereed]

Academic Journal  Multiple authorship

DOI

Preparation, Structure Determination, and Electrochemical Properties of 4,5-Dialkylbenzo[1,2-d:4,5d’]bis[1,2,3]triselenoles and Their Singlet and Triplet-State Dications

Takeshi Kimura, Tsukasa Nakahodo, Eiichi Suzuki, Yoshiki Nakanishi, Yohji Misaki, Satoru Ogawa

ChemistrySelect   6 ( 37 ) 9926 - 9932   2021.10  [Refereed]

Academic Journal  Single Work

Elastic Anomalies of the Half-metallic Itinerant Ferromagnet CoS2 Associated with Magnetic Phase Transition

Shinya KUDO, Kazuto NAKAMURA, Mitsuteru NAKAMURA, Masahito YOSHIZAWA, Yoshiki NAKANISHI and Haruhiro HIRAKA

JPS Conf. Proc.   30   2020.01  [Refereed]

Academic Journal  Multiple authorship

Elastic anomalies of single crystalline Rh17S15 associated with structural fluctuation

RikuMURAKAMI, ShinyaKUDO, MitsuteruNAKAMURA, MasahitoYOSHIZAWA, YoshichikaÔNUKI and YoshikiNAKANISHI

JPS Conf. Proc.   30   2020.01  [Refereed]

Academic Journal  Multiple authorship

Physical Properties of Novel Material TmB6 Synthesized by Molecular Beam Epitaxy Method

Tomoyuki Kuno, Fumiya Tanifuji, Daichi Hatanaka, Kôki Takeda, Yoshitomo Harada, Hirotaka Yamaguchi, Takeshi Ikeda, Mitsuteru Nakamura, Yoshiki Nakanishi, Fumitoshi Iga and Masahito Yoshizawa

JPS Conf. Proc.   30   2020.01  [Refereed]

Academic Journal  Multiple authorship

Ultrasound investigation of the Eu-based mixed valence system EuRh2Si2

Yoshiki NAKANISHI, Shinya KUDO, Kyouhei KIKUTANI, Mitsuteru NAKAMURA, Masahito YOSHIZAWA, and Akihiro MITSUDA

JPS Conf. Proc.   30   2020.01  [Refereed]

Academic Journal  Multiple authorship

Possibility of the Higher Critical Temperature on MgB2 Superconductor Synthesized by Powder‐In‐Sealed‐Tube Method

A. Imaduddin, S. D. Yudanto, M. E. H. Rasyadi, Y. Nakanish, M. Yoshizawa

Journal of Low Temperature Physics     2019.03  [Refereed]

Academic Journal  Multiple authorship

粉末封入法で作成したMgB2の超伝導転移向上について研究した。MgB2の過剰Mg原子の添加量により、超伝導転移の向上に影響することを構造特性、伝導特性の測定により明らかにした。
　

Incoherent-coherent crossover and the pseudogap in Te-annealed superconducting Fe1+yTe1-xSex revealed by magnetotransport measurements

Takumi Otsuka, Shotaro Hagisawa, Yuta Koshika, Shintaro Adachi, Tomohiro Usui, Nae Sasaki, Seya Sasaki, Shunpei Yamaguchi, Yoshiki Nakanishi, Masahito Yoshizawa, and Takao Watanabe

Phys. Rev. B   99   2019.03  [Refereed]

Academic Journal  Multiple authorship

　

Thermodynamic evidence of magnetic-field-induced complete valley polarization in bismuth

Ayumu Iwasa, Akihiro Kondo, Shiro Kawachi, Kazuto Akiba, Yoshiki Nakanishi, Masahito Yoshizawa, Masashi Tokunaga & Koichi Kindo

Science Reports   9   2019.03  [Refereed]

Academic Journal  Multiple authorship


　

Improvement in the Crystallographic Phase Content and Superconducting Properties of Mechanically Alloyed MgB2

S. D. Yudanto & Y. P. Dewi & A. Imaduddin & Y. Nakanishi & M. Yoshizawa & B. Kurniawan & A. Manaf

Journal of Superconductivity and Novel Magnetism     2019.03  [Refereed]

Academic Journal  Multiple authorship

機械的合金化により改良したMgB2の結晶性と超伝導特性について報告する。MgとBの粉末から機械的合金化によりMgB2を合成し、さらに900度の温度で1時間アニール処理することで最も高い単一相(約90%)のMgB2合成に成功した。残留抵抗比も改善され、超伝導特性も向上した。

超音波計測によるSmPt2Cd20の弾性特性の評価

Yoshiki Nakanishi, Kazuto Nakamura, Masahiro Nakamura, Masaya Taniguchi, Mitsuteru Nakamura, Masahito Yoshizawa, Akira Yamada, Ryuji Higashinaka, Tatsuma D. Matsuda, and Yuji Aoki

AIP Advances   8   101337   2018.09  [Refereed]

Academic Journal  Multiple authorship

Sm1-2-20系化合物の一つであるSmPt2Cd20の超音波計測による弾性特性および低温特性について研究したので報告する。強磁性転移温度0.64 Kに向かう明瞭な弾性異常が横波弾性率 (C11-C12)/2の温度変化に観測された。この弾性異常を変形ポテンシャル近似を用いて詳細に解析することで、Smの4f電子が基底状態で遍歴性を有していると結論づけた。

PbTeにおけるディラク電子物理の定量的評価

(112) Kazuto Akiba, Atsushi Miyake, Hideaki Sakai, Keisuke Katayama, Hiroshi Murakawa, Noriaki Hanasaki, Sadao Takaoka, Yoshiki Nakanishi, Masahito Yoshizawa, and Masashi Tokunaga

Physical Review B   98   115144   2018.09  [Refereed]

Academic Journal  Multiple authorship

PbTeの単結晶試料を用いて電気輸送現象、磁気特性、弾性特性の磁場依存性を55Tまでの強磁場領域で明らかにした。明瞭なゼーマン分裂を伴う量子振動が観測され、ディラク電子度合いについて定量的に評価した。また、このゼーマン分裂が非自明なベリー相の差っ引きの際に用いられるランダウ準位ファン相に大きな影響を与えることも指摘した。

Bi単体における磁場誘起完全バレー偏極の実験的検証

Ayumu Iwasa, Akihiro Kondo, Shiro Kawachi, Kazuto Akiba, Yoshiki Nakanishi, Masahito Yoshizawa, Masashi Tokunaga & Koichi Kindo

Sci. Rep   9   1672   2018.09  [Refereed]

Academic Journal  Multiple authorship

Biの量子極限状態の基本物性について、磁気抵抗、磁化、磁歪、超音波計測によって60Tまでの強磁場領域において研究を行った。39 T付近でフェルミ面の電子ポケットの完全バレー偏極に起因する明瞭な符号の変化が磁歪に出現した。磁場誘起バレー分裂の出現の可能性について議論する。