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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4 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)191-195
Number of pages5
JournalJournal of Alloys and Compounds
Issue number1-2
Publication statusPublished - 2002 Mar 14


  • Electric property
  • Magnetic property
  • Microhardness
  • NdRhB
  • Oxidation resistance in air


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