Article

Symmetry analysis of the possible low-temperature phases in KDy(MoO4)2

N. M. NesterenkoPhysicotechnical Institute of Low-Temperatures, National Academy of Sciences of Ukraine, Kharkov, 310164, Ukraine

Physics of the Solid Statejournal2000en

ABI

Abstract

The possible asymmetric phases in the Jahn-Teller crystal of KDy(MoO4)2 are analyzed. Phases appearing upon a second-order phase transition from an orthorhombic D 2 14 group with the unit cell volume doubling are described. It is shown that KDy(MoO4)2 crystals are capable of featuring the Jahn-Teller pseudoeffect caused by the interaction between the electron states of dysprosium ions and the compressive (tensile) or shear deformations.

Topics

Solid-state spectroscopy and crystallography Crystal Structures and Properties Luminescence Properties of Advanced Materials

Identifiers

DOI: 10.1134/1.1131190

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