X-ray diffraction study of single crystal

Jun Ichi Yamaura; Reizo Kato; Yasuyoshi Nagai; Haruo Saito; Toshio Hyodo

doi:10.1103/PhysRevB.58.14098

X-ray diffraction study of single crystal

Jun Ichi Yamaura, Reizo Kato, Yasuyoshi Nagai, Haruo Saito, Toshio Hyodo

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Single-crystal structure determination of (Formula presented) has been performed at 110 and 190 K in order to investigate the possible existence of a local structural deformation proposed by positron annihilation study of Nagai et al. [Phys. Rev. B 57, 14 119 (1998)]. A large thermal contraction along the (Formula presented) axis with decreasing temperature is observed, while the displacement of the atoms within the (Formula presented) plane is very small. This implies that the effect observed in the positron annihilation spectroscopies is caused by interactions involving positronium.

Original language	English
Pages (from-to)	14098-14101
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	58
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevB.58.14098
Publication status	Published - 1998 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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abstract = "Single-crystal structure determination of (Formula presented) has been performed at 110 and 190 K in order to investigate the possible existence of a local structural deformation proposed by positron annihilation study of Nagai et al. [Phys. Rev. B 57, 14 119 (1998)]. A large thermal contraction along the (Formula presented) axis with decreasing temperature is observed, while the displacement of the atoms within the (Formula presented) plane is very small. This implies that the effect observed in the positron annihilation spectroscopies is caused by interactions involving positronium.",

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AU - Yamaura, Jun Ichi

AU - Kato, Reizo

AU - Nagai, Yasuyoshi

AU - Saito, Haruo

AU - Hyodo, Toshio

PY - 1998/1/1

Y1 - 1998/1/1

N2 - Single-crystal structure determination of (Formula presented) has been performed at 110 and 190 K in order to investigate the possible existence of a local structural deformation proposed by positron annihilation study of Nagai et al. [Phys. Rev. B 57, 14 119 (1998)]. A large thermal contraction along the (Formula presented) axis with decreasing temperature is observed, while the displacement of the atoms within the (Formula presented) plane is very small. This implies that the effect observed in the positron annihilation spectroscopies is caused by interactions involving positronium.

AB - Single-crystal structure determination of (Formula presented) has been performed at 110 and 190 K in order to investigate the possible existence of a local structural deformation proposed by positron annihilation study of Nagai et al. [Phys. Rev. B 57, 14 119 (1998)]. A large thermal contraction along the (Formula presented) axis with decreasing temperature is observed, while the displacement of the atoms within the (Formula presented) plane is very small. This implies that the effect observed in the positron annihilation spectroscopies is caused by interactions involving positronium.

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