Ultrasonic Team (T. Yanagisawa, Hokkaido Univ,)    

Magnetic Anomaly in the SC phase of UBe13

Nov 21, 2012

We have performed precise dc magnetization measurements for a single crystal of UBe13 down to 0.14 K, up to 80 kOe. We observed a magnetic anomaly in the superconducting (SC) mixed state at a field, named HMag* (∼26  kOe, at 0.14 K), implying that UBe13 has a magnetically unusual SC state. We expect that the origin of the HMag* anomaly would be (1) unusual SC diamagnetic response, or (2) a peculiarity of the normal-state magnetization due to vortices in the SC mixed state.
For more information please see our paper: Y. Shimizu et al., Phys. Rev. Lett. 109 (2012) 217001.
本研究の背景について日本語による解説記事があります。強相関電子磁性1研究室の研究トピックス「重い電子系超伝導体UBe13の超伝導混合状態における磁気特性 」 をご覧下さい。

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Nov 03, 2012
<a href='https://phys.sci.hokudai.ac.jp/LABS/kyokutei/vlt/yanagisawa/diary/20111025.htm'>重い電子系若手秋の学校テキスト「超音波から観た多極子とラットリング」</a> <a href='https://phys.sci.hokudai.ac.jp/LABS/kyokutei/vlt/yanagisawa/eigo/'>レッツ英語(コラム)</a> <a href='https://phys.sci.hokudai.ac.jp/LABS/kyokutei/vlt/yanagisawa/fl/index.html'>Flat Land</a>

重い電子の形成と秩序化 ニュースレター
(通算第8号)記事

Nov 03, 2012

新学術領域研究「重い電子の形成と秩序化」のニュースレターに最近の研究内容の解説文が掲載されました。PDFでご覧いただけます。(柳澤の記事はpp.25より)

重い電子ニュースレター通算第8号

重い電子の形成と秩序化 ニュースレター
(通算第3号)記事

Nov 03, 2012

新学術領域研究「重い電子の形成と秩序化」のニュースレターに最近の研究内容の解説文が掲載されました。PDFでご覧にいただけます。(柳澤の記事はpp.12より)

重い電子ニュースレター通算第8号

Preprints

Dec 30, 2011

E-prints (Updated: Nov 29th, 2019)

▶ HUSCAP (Open Access Repository)

'Electric quadrupolar contributions in the magnetic phases of UNi4B'
T. Yanagisawa, H. Matsumori, H. Saito, H. Hidaka, H. Amitsuka, S. Nakamura, S. Awaji, D. I. Gorbunov, S. Zherlitsyn, J. Wosnitza, K. Uhlířová, M. Vališka, and V. Sechovský
Phys. Rev. Lett. 126 (2021) 157201.

'Quadrupolar Susceptibility and Magnetic Phase Diagram of PrNi2Cd20 with Non-Kramers Doublet Ground State'
Tatsuya Yanagisawa, Hiroyuki Hidaka, Hiroshi Amitsuka, Shintaro Nakamura, Satoshi Awaji, Elizabeth L. Green, Sergei Zherlitsyn, Joachim Wosnitza, Duygu Yazici, Benjamin. D. White, and M. Brian Maple
Published in Philosophical Magazine100,1268-1281 (2020).

'Evidence for the Single-Site Quadrupolar Kondo Effect in the Dilute non-Kramers System Y1-xPrxIr2Zn20'
T. Yanagisawa, H. Hidaka, H. Amitsuka, S. Zherlitsyn, J. Wosnitza, Y. Yamane, and T. Onimaru
Published in Phys. Rev. Lett. 123 (2019) 067201.

'Search for multipolar instability in URu2Si2 studied by ultrasonic measurements under pulsed magnetic field'
T. Yanagisawa, S. Mombetsu, H. Hidaka, H. Amitsuka, P. T. Cong, S. Yasin, S. Zherlitsyn, J. Wosnitza, K. Huang, N. Kanchanavatee, M. Janoschek, M. B. Maple, D. Aoki
Published in Phys. Rev. B 97 (2018) 155137.

'Study of Localized Character of 4f Electrons and Ultrasonic Dispersions in SmOs4Sb12 by High-Pressure High-Frequency Ultrasonic Measurements'
S. Mombetsu, T. Murazumi, H. Hidaka, T. Yanagisawa, H. Amitsuka, P.-C. Ho, and M. B. Maple
Published in Phys. Rev. B 94 (2016) 084152.

'Crystalline Electric Field and Kondo Effect in SmOs4Sb12'
Shota Mombetsu, Tatsuya Yanagisawa, Hiroyuki Hidaka, Hiroshi Amitsuka, Shadi Yasin, Sergei Zherlitsyn, Jochen Wosnitza, Pei-Chun Ho, and M. Brian Maple
Published in J. Phys. Soc. Jpn. 85 (2016) 043704.

'Hybridization-Driven Orthorhombic Lattice Instability in URu2Si2'
Tatsuya Yanagisawa, Shota Mombetsu, Hiroyuki Hidaka, Hiroshi Amitsuka, Mitsuhiro Akatsu, Shadi Yasin, Sergei Zherlitsyn, Jochen Wosnitza, Kevin Huang, Mark Janoschek, and M. Brian Maple
Published in Phys. Rev. B 88 (2013) 195150.

'Gamma 3-type Lattice Instability and the Hidden Order of URu2Si2'
Tatsuya Yanagisawa, Shota Mombetsu, Hiroyuki Hidaka, Hiroshi Amitsuka, Mitsuhiro Akatsu, Shadi Yasin, Sergei Zherlitsyn, Jochen Wosnitza, Kevin Huang, and M. Brian Maple
Published in J. Phys. Soc. Jpn. 82 (2013) 0130601.

'Observation of unusual magnetic anomaly in superconducting mixed state of heavy-fermion compound UBe13 by precise DC magnetization measurements Studied by DC Magnetization Measurement'
Yusei Shimizu, Yoshinori Haga, Yoichi Ikeda, Tatsuya Yanagisawa, and Hiroshi Amitsuka
Published in Phys. Rev. Lett. 109 (2012) 217001.

Magnetic-Field-Independent Ultrasonic Dispersions in the Magnetically Robust Heavy Fermion System SmOs4Sb12'
Tatsuya Yanagisawa, Hitoshi Saito, Hiroyuki Hidaka, Hiroshi Amitsuka, Koji Araki, Mitsuhiro Akatsu, Yuichi Nemoto, Terutaka Goto, Pei-Chun Ho, Ryan E. Baumbach, M. Brian Maple
Published in J. Phys. Soc. Jpn. 80 (2010) 043601.


超音波からみた多極子・ラットリング(多極子,重い電子系若手秋の学校,講義ノート)
柳澤達也
物性研究2012 年1 月, 第97 巻, 第4 号, pp. 791-823.

 

▶ cond-mat (arXiv)

'Evidence for the Single-Site Quadrupolar Kondo Effect in the Dilute non-Kramers System Y1-xPrxIr2Zn20'
T. Yanagisawa, H. Hidaka, H. Amitsuka, S. Zherlitsyn, J. Wosnitza, Y. Yamane, and T. Onimaru
[arXiv:1907.06284]

'Unusual phase boundary of the magnetic-field-tuned valence transition in CeOs4Sb12'
K. Götze, M. J. Pearce, P. A. Goddard, M. Jaime, M. B. Maple, K. Sasmal, T. Yanagisawa, A. McCollam, T. Khouri, P.-C. Ho, and J. Singleton
[arXiv:1907.09181]

'Magnetic, Transport, and Phonon Properties of the Trivalent Eu Metallic Compound EuBe13'
Hiroyuki Hidaka, Kota Mizuuchi, Tatsuya Yanagisawa, and Hiroshi Amitsuka [arXiv:1901.06120]

'Fermi-surface topologies and low-temperature phases of the filled skutterudite compounds CeOs4Sb12 and NdOs4Sb12'
Pei Chun Ho, John Singleton, Paul A. Goddard, Fedor F. Balakirev, Shalinee Chikara, Tatsuya Yanagisawa, M. Brian Maple, David B. Shrekenhamer, Xia Lee, and Avraham T. Thomas
arXiv:1611.00318 [cond-mat.str-el]

'Peculiar Magnetism of UAu2Si2'
Chihiro Tabata, Naoyuki Miura, Klára Uhlířová, Michal Vališka, Hiraku Saito, Hiroyuki Hidaka, Tatsuya Yanagisawa, Vladimír Sechovský, and Hiroshi Amitsuka
arXiv:1608.06035 [cond-mat.str-el]

'Study of Localized Character of 4f Electrons and Ultrasonic Dispersions in SmOs4Sb12 by High-Pressure High-Frequency Ultrasonic Measurements'
S. Mombetsu, T. Murazumi, H. Hidaka, T. Yanagisawa, H. Amitsuka, P.-C. Ho, and M. B. Maple
arXiv:1608.01066 [cond-mat.str-el] (2016) .

'Crystalline Electric Field and Kondo Effect in SmOs2Sb12'
Shota Mombetsu, Tatsuya Yanagisawa, Hiroyuki Hidaka, Hiroshi Amitsuka, Shadi Yasin, Sergei Zherlitsyn, Jochen Wosnitza, Pei-Chun Ho, and M. Brian Maple
arXiv:1603.09069 [cond-mat.str-el]

'Ultrasonic Study of the Hidden Order and Heavy-Fermion State in URu2Si2 with Hydrostatic Pressure, Rh-doping, and High-Magnetic Fields'
Tatsuya Yanagisawa
arXiv:1312.3084 [cond-mat.str-el] (2013).

'Hybridization-Driven Orthorhombic Lattice Instability in URu2Si2'
Tatsuya Yanagisawa, Shota Mombetsu, Hiroyuki Hidaka, Hiroshi Amitsuka, Mitsuhiro Akatsu, Shadi Yasin, Sergei Zherlitsyn, Jochen Wosnitza, Kevin Huang, Mark Janoschek, and M. Brian Maple
arXiv:1311.3748 [cond-mat.str-el] (2013).

'Gamma 3-type Lattice Instability and the Hidden Order of URu2Si2'
Tatsuya Yanagisawa, Shota Mombetsu, Hiroyuki Hidaka, Hiroshi Amitsuka, Mitsuhiro Akatsu, Shadi Yasin, Sergei Zherlitsyn, Jochen Wosnitza, Kevin Huang, and M. Brian Maple
arXiv:1211.7185v1 [cond-mat.str-el] (2012).

'A Study of Ni-Substitution Effects on Heavy-Fermion CeCu2Si13 - Similarities between Ni Substitution and High-Pressure Effects -'
Yoichi Ikeda, Shingo Araki, Tatsuo C. Kobayashi, Yusei Shimizu, Tatsuya Yanagisawa and Hiroshi Amitsuka
arXiv:1206.5747v1 [cond-mat.str-el] (2012).

'Maki Parameter and Upper Critical Field of the Heavy-Fermion Superconductor UBe13'
Yusei Shimizu, Yoichi Ikeda, Takumi Wakabayashi, Kenichi Tenya, Yoshinori Haga, Hiroyuki Hidaka, Tatsuya Yanagisawa and Hiroshi Amitsuka
cond-mat/1106.2397 (2011).

Magnetic-Field-Independent Ultrasonic Dispersions in the Magnetically Robust Heavy Fermion System SmOs4Sb12'
Tatsuya Yanagisawa, Hitoshi Saito, Hiroyuki Hidaka, Hiroshi Amitsuka, Koji Araki, Mitsuhiro Akatsu, Yuichi Nemoto, Terutaka Goto, Pei-Chun Ho, Ryan E. Baumbach, M. Brian Maple
cond-mat/1010.1387 (2010)

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