Magnetic properties and a change of the electrical resistivity under pressure in CePtGe2

Kirita, Shingo ; Thamizhavel, Arumugam ; Takeuchi, Tetsuya ; Tabata, Kanehito ; Kobayashi, Tatsuo C. ; Galatanu, Andrei ; Yamamoto, Etsuji ; Setta, Rikio ; Ramakrishnan, Srinivasan ; Onuki, Yoshichika (2003) Magnetic properties and a change of the electrical resistivity under pressure in CePtGe2 Journal of the Physical Society of Japan, 72 . pp. 2338-2343. ISSN 0031-9015

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Official URL: http://jpsj.ipap.jp/link?JPSJ/72/2338/

Related URL: http://dx.doi.org/10.1143/JPSJ.72.2338

Abstract

We have succeeded in growing a single crystal of CePtGe2 with the orthorhombic crystal structure by the Bi-flux method. In order to investigate the anisotropic properties, the magnetic susceptibility, magnetization and electrical resistivity measurements have been performed along the principal axes. From these measurements, it is found that CePtGe2 orders ferromagnetically below TC = 5.1 K, and the magnetic easy-axis corresponds to the a-axis. The anisotropic properties have been analyzed on the basis of the crystalline electric field model. We have also studied the pressure effect on the ferromagnetic ordering, and TC is found to increase with increasing pressure. However, TC smears out around 3.5 GPa and a new phase appears at higher pressures, where the transition temperature of the new phase also increases with increasing pressure.

Item Type:Article
Source:Copyright of this article belongs to Institute of Pure and Applied Physics.
ID Code:68534
Deposited On:05 Nov 2011 05:09
Last Modified:05 Nov 2011 05:09

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