Structural phase transition in Ba(Fe0.973Cr0.027)2As2 single crystals

Details Structural phase transition in Ba(Fe0.973Cr0.027)2As2 single crystals Structural phase transition in Ba(Fe0.973Cr0.027)2As2 single crystals

2009-06-23

arxiv.org/abs/0906.4299v1

PRB 80, 014522 (2009)

Physics

Condensed Matter

Materials Science

Scientific paper

We present thermodynamic, structural and transport measurements on
Ba(Fe0.973Cr0.027)2As2 single crystals. All measurements reveal sharp anomalies
at ~ 112 K. Single crystal x-ray diffraction identifies the structural
transition as a first order, from the high-temperature tetragonal I4/mmm to the
low-temperature orthorhombic Fmmm structure, in contrast to an earlier report.

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