PAC study of martensitic transformations in RCu compounds

The martensitic transformation from the cubic CsCl-type to the orthorhombic FeB-type structure of RCu (R=Gd, Tb and Y) compounds has been investigated by perturbed angular correlation (PAC) measurements of the nuclear electric quadrupole interaction (QI) at 111Cd probe nuclei on the Cu site as a fun...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2007-02, Vol.389 (1), p.120-123
Main Authors: Pasquevich, A.F., Fernández van Raap, M.B., Forker, M.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Magnetic hyperfine field
Magnetic resonances and relaxations in condensed matter, mössbauer effect
Martensitic transformations
Materials science
Mössbauer effect
other γ-ray spectroscopy
Nuclear quadruple interaction
PAC spectroscopy
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
Rare earth magnetism
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Summary:The martensitic transformation from the cubic CsCl-type to the orthorhombic FeB-type structure of RCu (R=Gd, Tb and Y) compounds has been investigated by perturbed angular correlation (PAC) measurements of the nuclear electric quadrupole interaction (QI) at 111Cd probe nuclei on the Cu site as a function of temperature. The QI data indicate that the martensitic transition extends over a finite temperature range and affects only part of the samples. The transition ranges are 190 K< T
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2006.07.037