Magnetostriction-induced tetragonal-to-orthorhombic phase transition in TbNi[sub 2]B[sub 2]C

Journal Article · Wed Sep 01 00:00:00 EDT 1999 · Physical Review, B: Condensed Matter

DOI:https://doi.org/10.1103/PhysRevB.60.6223· OSTI ID:6194062

Song, C; Islam, Z; Lottermoser, L; Goldman, A I; Canfield, P C ^[1]; Detlefs, C ^[2]

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1. Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011 (United States)
2. European Synchrotron Radiation Facility, Boite Postale 220, 38043 Grenoble Cedex (France)

A magnetostriction-induced structural phase transition in a single crystal of TbNi[sub 2]B[sub 2]C has been studied by high resolution x-ray diffraction. On cooling, we have observed a tetragonal-to-orthorhombic distortion below the N[acute e]el temperature, 14.3 K, similar to what has been seen in ErNi[sub 2]B[sub 2]C. The mismatch between the [ital a] and [ital b] lattice parameters increases continuously with decreasing temperature up to a value of a/b[minus]1[approx]0.55[percent] at the lowest temperature measured, T=8.6 K. [copyright] [ital 1999] [ital The American Physical Society]

• OSTI ID: 6194062
• Journal Information: Physical Review, B: Condensed Matter, Vol. 60:9; ISSN 0163-1829
• Country of Publication: United States
• Language: English

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36 MATERIALS SCIENCE
ANTIFERROELECTRIC MATERIALS
ANTIFERROMAGNETIC MATERIALS
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COOLING
CRYSTAL-PHASE TRANSFORMATIONS
MAGNETOSTRICTION
NEEL TEMPERATURE
NICKEL CARBIDES
NICKEL COMPOUNDS
ORTHORHOMBIC LATTICES
TEMPERATURE RANGE 0013-0065 K
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CARBIDES
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DIFFRACTION
MAGNETIC MATERIALS
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PHASE TRANSFORMATIONS
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RARE EARTH COMPOUNDS
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THERMODYNAMIC PROPERTIES
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