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Competition between Magnetic Ordering and Random Spin Freezing in Dy2PtS3
Dexin Li,Tomoo Yamamura,Yoshiya Homma,Kunio Yubuta,Tatsuo Shikama,Dai Aoki,Shigeki Nimori,Yoshinori Haga 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
We report the results for ac and dc susceptibility, magnetization, magnetic relaxation, specific heatand electrical resistivity measurements on a well annealed ternary intermetallic compound Dy2PtSi3. An unusual magnetic phase transition with an apparent ferromagnetic nature was observed at TC= 5.6 K. At temperatures below TC, however, Dy2PtSi3 showed a metastable magnetic behaviorcharacteristic of a typical cluster glass. The classification of Dy2PtSi3 as a large magnetic cluster(extended short-range ferromagnetic ordered) system with competition between magnetic orderingand random spin freezing seems appropriate.