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Quadrupolar susceptibility and magnetic phase diagram of PrNi2Cd20 with non-Kramers doublet ground state

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Title: Quadrupolar susceptibility and magnetic phase diagram of PrNi2Cd20 with non-Kramers doublet ground state
Authors: Yanagisawa, Tatsuya Browse this author →KAKEN DB
Hidaka, Hiroyuki Browse this author →KAKEN DB
Amitsuka, Hiroshi Browse this author
Nakamura, Shintaro Browse this author
Awaji, Satoshi Browse this author
Green, Elizabeth L. Browse this author
Zherlitsyn, Sergei Browse this author
Wosnitza, Joachim Browse this author
Yazici, Duygu Browse this author
White, Benjamin D. Browse this author
Maple, M. Brian Browse this author
Keywords: Elasticity
ultrasonic attenuation
strongly correlated electrons
phase diagrams
crystal field
Kondo effect
Issue Date: 8-Jan-2021
Publisher: Taylor & Francis
Journal Title: Philosophical Magazine
Volume: 100
Issue: 10
Start Page: 1268
End Page: 1281
Publisher DOI: 10.1080/14786435.2019.1709912
Abstract: In this study, ultrasonic measurements were performed on a single crystal of cubic PrNi2Cd20, down to a temperature of 0.02 K, to investigate the crystalline electric field ground state and search for possible phase transitions at low temperatures. The elastic constant (C-11-C-12)/2, which is related to the Gamma(3)-symmetry quadrupolar response, exhibits the Curie-type softening at temperatures below similar to 30 K, which indicates that the present system has a Gamma(3) non-Kramers doublet ground state. A leveling-off of the elastic response appears below similar to 0.1 K toward the lowest temperatures, which implies the presence of level splitting owing to a long-range order in a finite-volume fraction associated with Gamma(3)-symmetry multipoles. A magnetic field-temperature phase diagram of the present compound is constructed up to 28 T for H || [110]. A clear acoustic de Haas-van Alphen signal and a possible magnetic-field-induced phase transition at H similar to 26 T are also detected by high-magnetic-field measurements.
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 柳澤 達也

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