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Sharp magnetization step across the ferromagnetic to antiferromagnetic transition in doped-CeFe$_2$ alloys | | S. B. Roy
; M. K. Chattopadhyay
; P. Chaddah
; A. K. Nigam
; | | Date: |
25 May 2005 | | Journal: | Physical Review B71 174413 (2005) | | Subject: | Materials Science; Strongly Correlated Electrons | cond-mat.mtrl-sci cond-mat.str-el | | Abstract: | Very sharp magnetization step is observed across the field induced antiferromagnetic to ferromagnetic transition in various doped-CeFe$_2$ alloys, when the measurement is performed below 5K. In the higher temperature regime (T$>$5K) this transition is quite smooth in nature. Comparing with the recently observed similar behaviour in manganites showing colossal magnetoresistance and magnetocaloric material Gd$_5$Ge$_4$ we argue that such magnetization step is a generalized feature of a disorder influenced first order phase transition. | | Source: | arXiv, cond-mat/0505609 | | Services: | Forum | Review | PDF | Favorites | |
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