Synthesis and Characterization of New Quaternary BorocarbidesRRh2B2C (R=Rare Earth)

Jinhua Ye; Toetsu Shishido; Takahiko Sasaki; Toshitsugu Takahashi; Kazuo Obara; Ryunosuke Note; Takehiko Matsumoto; Tsuguo Fukuda

doi:10.1006/jssc.1997.7318

Synthesis and Characterization of New Quaternary BorocarbidesRRh₂B₂C (R=Rare Earth)

Jinhua Ye, Toetsu Shishido, Takahiko Sasaki, Toshitsugu Takahashi, Kazuo Obara, Ryunosuke Note, Takehiko Matsumoto, Tsuguo Fukuda

Institute for Materials Research (IMR) (institute affiliation only)

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

8 Citations (Scopus)

Abstract

Arc-melting syntheses ofRRh₂B₂C were carried out for all lanthanide elements except promethium. X ray diffraction revealed that new compounds exist forR=Y, La-Er (except Eu), and the stability ofRRh₂B₂C decreases for the smaller lanthanide. The tetragonala-axis ofRRh₂B₂C was found to contract asRgoes from La to Er. Thec-axis, however, expands slightly. In accordance with the lattice parameter change, interatomic distances between Rh atoms decrease significantly from 2.7623 Å in LaRh₂B₂C to 2.6552 Å in ErRh₂B₂C. The reduced stability of theRRh₂B₂C phase for the smaller rare earth is explained by the change in the crystallographic parameters with the size ofR.

Original language	English
Pages (from-to)	77-81
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	133
Issue number	1
DOIs	https://doi.org/10.1006/jssc.1997.7318
Publication status	Published - 1997 Oct 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1006/jssc.1997.7318

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Synthesis and Characterization of New Quaternary BorocarbidesRRh₂B₂C (R=Rare Earth). / Ye, Jinhua; Shishido, Toetsu; Sasaki, Takahiko; Takahashi, Toshitsugu; Obara, Kazuo; Note, Ryunosuke; Matsumoto, Takehiko; Fukuda, Tsuguo.

In: Journal of Solid State Chemistry, Vol. 133, No. 1, 01.10.1997, p. 77-81.

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

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title = "Synthesis and Characterization of New Quaternary BorocarbidesRRh2B2C (R=Rare Earth)",

abstract = "Arc-melting syntheses ofRRh2B2C were carried out for all lanthanide elements except promethium. X ray diffraction revealed that new compounds exist forR=Y, La-Er (except Eu), and the stability ofRRh2B2C decreases for the smaller lanthanide. The tetragonala-axis ofRRh2B2C was found to contract asRgoes from La to Er. Thec-axis, however, expands slightly. In accordance with the lattice parameter change, interatomic distances between Rh atoms decrease significantly from 2.7623 {\AA} in LaRh2B2C to 2.6552 {\AA} in ErRh2B2C. The reduced stability of theRRh2B2C phase for the smaller rare earth is explained by the change in the crystallographic parameters with the size ofR.",

author = "Jinhua Ye and Toetsu Shishido and Takahiko Sasaki and Toshitsugu Takahashi and Kazuo Obara and Ryunosuke Note and Takehiko Matsumoto and Tsuguo Fukuda",

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AU - Ye, Jinhua

AU - Shishido, Toetsu

AU - Sasaki, Takahiko

AU - Takahashi, Toshitsugu

AU - Obara, Kazuo

AU - Note, Ryunosuke

AU - Matsumoto, Takehiko

AU - Fukuda, Tsuguo

PY - 1997/10/1

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N2 - Arc-melting syntheses ofRRh2B2C were carried out for all lanthanide elements except promethium. X ray diffraction revealed that new compounds exist forR=Y, La-Er (except Eu), and the stability ofRRh2B2C decreases for the smaller lanthanide. The tetragonala-axis ofRRh2B2C was found to contract asRgoes from La to Er. Thec-axis, however, expands slightly. In accordance with the lattice parameter change, interatomic distances between Rh atoms decrease significantly from 2.7623 Å in LaRh2B2C to 2.6552 Å in ErRh2B2C. The reduced stability of theRRh2B2C phase for the smaller rare earth is explained by the change in the crystallographic parameters with the size ofR.

AB - Arc-melting syntheses ofRRh2B2C were carried out for all lanthanide elements except promethium. X ray diffraction revealed that new compounds exist forR=Y, La-Er (except Eu), and the stability ofRRh2B2C decreases for the smaller lanthanide. The tetragonala-axis ofRRh2B2C was found to contract asRgoes from La to Er. Thec-axis, however, expands slightly. In accordance with the lattice parameter change, interatomic distances between Rh atoms decrease significantly from 2.7623 Å in LaRh2B2C to 2.6552 Å in ErRh2B2C. The reduced stability of theRRh2B2C phase for the smaller rare earth is explained by the change in the crystallographic parameters with the size ofR.

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Synthesis and Characterization of New Quaternary BorocarbidesRRh₂B₂C (R=Rare Earth)

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