Solid solution range of boron and properties of the perovskite-type NdRh3B

Toetsu Shishido; Takahiko Sasaki; Kunio Kudou; Shigeru Okada; Akira Yoshikawa; Jung Min Ko; Jinhua Ye; Iwami Higashi; Masaoki Oku; Hiroyuki Horiuchi; Tsuguo Fukuda; Shigemi Kohiki; Kazuo Nakajima

doi:10.1016/S0925-8388(01)01832-1

Solid solution range of boron and properties of the perovskite-type NdRh₃B

Toetsu Shishido, Takahiko Sasaki, Kunio Kudou, Shigeru Okada, Akira Yoshikawa, Jung Min Ko, Jinhua Ye, Iwami Higashi, Masaoki Oku, Hiroyuki Horiuchi, Tsuguo Fukuda, Shigemi Kohiki, Kazuo Nakajima

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Abstract

Polycrystalline samples of NdRh₃B_x have been synthesized by arc melting technique. The crystal structure of NdRh₃B_x is the perovskite-type cubic system (space group Pm3̄m) for nominal boron concentration in the range of 0.706≤x≤1.000 (15-20 mol.% B). The lattice parameter a varies linearly from 0.41749(7) nm (x = 0.706) to a = 0.42136(6) nm (x = 1.000). Thermogravimetric analysis indicates that the oxidation onset temperature for NdRh₃B_1.000 is 663 K. The weight gain of the sample by heating in air up to 1473 K is 10.00% for NdRh₃B_1.000, and oxidized products are Rh and NdBO₃. The micro-Vickers hardness is 4.9±0.05 GPa for NdRh₃B_1.000. NdRh₃B_1.000 shows a metallic temperature dependence of the resistivity down to 0.5 K. Magnetic susceptibilities for NdRh₃B_1.000 show Curie-like paramagnetic temperature dependence due to Nd³⁺ moments. No trace of magnetic phase transitions and superconductivity is found.

Original language	English
Pages (from-to)	191-195
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	335
Issue number	1-2
DOIs	https://doi.org/10.1016/S0925-8388(01)01832-1
Publication status	Published - 2002 Mar 14

Keywords

Electric property
Magnetic property
Microhardness
NdRhB
Oxidation resistance in air

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10.1016/S0925-8388(01)01832-1

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title = "Solid solution range of boron and properties of the perovskite-type NdRh3B",

abstract = "Polycrystalline samples of NdRh3Bx have been synthesized by arc melting technique. The crystal structure of NdRh3Bx is the perovskite-type cubic system (space group Pm{\=3}m) for nominal boron concentration in the range of 0.706≤x≤1.000 (15-20 mol.% B). The lattice parameter a varies linearly from 0.41749(7) nm (x = 0.706) to a = 0.42136(6) nm (x = 1.000). Thermogravimetric analysis indicates that the oxidation onset temperature for NdRh3B1.000 is 663 K. The weight gain of the sample by heating in air up to 1473 K is 10.00% for NdRh3B1.000, and oxidized products are Rh and NdBO3. The micro-Vickers hardness is 4.9±0.05 GPa for NdRh3B1.000. NdRh3B1.000 shows a metallic temperature dependence of the resistivity down to 0.5 K. Magnetic susceptibilities for NdRh3B1.000 show Curie-like paramagnetic temperature dependence due to Nd3+ moments. No trace of magnetic phase transitions and superconductivity is found.",

keywords = "Electric property, Magnetic property, Microhardness, NdRhB, Oxidation resistance in air",

author = "Toetsu Shishido and Takahiko Sasaki and Kunio Kudou and Shigeru Okada and Akira Yoshikawa and Ko, {Jung Min} and Jinhua Ye and Iwami Higashi and Masaoki Oku and Hiroyuki Horiuchi and Tsuguo Fukuda and Shigemi Kohiki and Kazuo Nakajima",

year = "2002",

month = mar,

day = "14",

doi = "10.1016/S0925-8388(01)01832-1",

language = "English",

volume = "335",

pages = "191--195",

journal = "Journal of Alloys and Compounds",

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TY - JOUR

T1 - Solid solution range of boron and properties of the perovskite-type NdRh3B

AU - Shishido, Toetsu

AU - Sasaki, Takahiko

AU - Kudou, Kunio

AU - Okada, Shigeru

AU - Yoshikawa, Akira

AU - Ko, Jung Min

AU - Ye, Jinhua

AU - Higashi, Iwami

AU - Oku, Masaoki

AU - Horiuchi, Hiroyuki

AU - Fukuda, Tsuguo

AU - Kohiki, Shigemi

AU - Nakajima, Kazuo

PY - 2002/3/14

Y1 - 2002/3/14

N2 - Polycrystalline samples of NdRh3Bx have been synthesized by arc melting technique. The crystal structure of NdRh3Bx is the perovskite-type cubic system (space group Pm3̄m) for nominal boron concentration in the range of 0.706≤x≤1.000 (15-20 mol.% B). The lattice parameter a varies linearly from 0.41749(7) nm (x = 0.706) to a = 0.42136(6) nm (x = 1.000). Thermogravimetric analysis indicates that the oxidation onset temperature for NdRh3B1.000 is 663 K. The weight gain of the sample by heating in air up to 1473 K is 10.00% for NdRh3B1.000, and oxidized products are Rh and NdBO3. The micro-Vickers hardness is 4.9±0.05 GPa for NdRh3B1.000. NdRh3B1.000 shows a metallic temperature dependence of the resistivity down to 0.5 K. Magnetic susceptibilities for NdRh3B1.000 show Curie-like paramagnetic temperature dependence due to Nd3+ moments. No trace of magnetic phase transitions and superconductivity is found.

AB - Polycrystalline samples of NdRh3Bx have been synthesized by arc melting technique. The crystal structure of NdRh3Bx is the perovskite-type cubic system (space group Pm3̄m) for nominal boron concentration in the range of 0.706≤x≤1.000 (15-20 mol.% B). The lattice parameter a varies linearly from 0.41749(7) nm (x = 0.706) to a = 0.42136(6) nm (x = 1.000). Thermogravimetric analysis indicates that the oxidation onset temperature for NdRh3B1.000 is 663 K. The weight gain of the sample by heating in air up to 1473 K is 10.00% for NdRh3B1.000, and oxidized products are Rh and NdBO3. The micro-Vickers hardness is 4.9±0.05 GPa for NdRh3B1.000. NdRh3B1.000 shows a metallic temperature dependence of the resistivity down to 0.5 K. Magnetic susceptibilities for NdRh3B1.000 show Curie-like paramagnetic temperature dependence due to Nd3+ moments. No trace of magnetic phase transitions and superconductivity is found.

KW - Electric property

KW - Magnetic property

KW - Microhardness

KW - NdRhB

KW - Oxidation resistance in air

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U2 - 10.1016/S0925-8388(01)01832-1

DO - 10.1016/S0925-8388(01)01832-1

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SN - 0925-8388

VL - 335

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EP - 195

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

IS - 1-2

ER -

Solid solution range of boron and properties of the perovskite-type NdRh₃B

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Keywords

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