Pulverization of the flux line lattice, the phase coexistence and the spinodal temperature of the order—disorder transition in a weakly pinned crystal of Yb3Rh4Sn13

Sarkar, S. ; Ramakrishnan, S. ; Grover, A. K. ; McK Paul, D. ; Tomy, C. V. ; Thakur, A. D. ; Balakrishnan, G. (2006) Pulverization of the flux line lattice, the phase coexistence and the spinodal temperature of the order—disorder transition in a weakly pinned crystal of Yb3Rh4Sn13 Pramana, 66 (1). pp. 179-192. ISSN 0304-4289

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Official URL: http://www.ias.ac.in/pramana/v66/p179/fulltext.pdf

Related URL: http://dx.doi.org/10.1007/BF02704946

Abstract

We have studied metastability effects pertaining to the peak effect (PE) in critical current density (J c) via isofield scans in AC susceptibility measurements in a weakly pinned single crystal of Yb3Rh4Sn13 (T c(0) ≈ 7.6 K). The order-disorder transition in this specimen proceeds in a multi-step manner. The phase coexistence regime between the onset temperature of the PE and the spinodal temperature (where metastability effects cease) seems to comprise two parts, where ordered and disordered regions dominate the bulk behavior, respectively. The PE line in the vortex phase diagram is argued to terminate at the low field end at a critical point in the elastic (Bragg) glass phase.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Peak Effect; Order-Disorder Transition; Phase Coexistence; Spinodal Tempera-Ture; Yb3Rh4Sn13; 74.25.Qt; 64.70.Dv; 74.25.Dw; 74.25.Sv
ID Code:97272
Deposited On:31 Jan 2013 05:15
Last Modified:19 May 2016 09:28

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