Journal
PHYSICAL REVIEW B
Volume 80, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.80.014522
Keywords
barium compounds; chromium compounds; electrical resistivity; Hall effect; iron compounds; magnetic susceptibility; magnetic transition temperature; space groups; thermodynamics; X-ray diffraction
Funding
- U. S. Department of Energy
- Basic Energy Sciences [DE-AC02-07CH11358]
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We present thermodynamic, structural, and transport measurements on Ba(Fe0.973Cr0.027)(2)As-2 single crystals. All measurements reveal sharp anomalies at similar to 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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