ESR and CR measurements of Gd monopnictides

Keiichi Koyama, Makoto Yoshida, Takuo Sakon, Hiroyuki Nojiri, Dexin Li, Takashi Suzuki, Mitsuhiro Motokawa

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


In order to obtain information about the magnetic structure and the cyclotron effective mass (m*CR) of the carriers in Gd monopnictides, electron spin resonance (ESR) and cyclotron resonance (CR) measurements on single crystals have been performed in magnetic fields up to 25 T. The results indicate that GdP and GdAs are easy-plane antiferromagnets with the magnetic moment lying in the (1 1 1) plane below the Neel temperature. In GdAs, m*CR varies from 0.45 m0 to 0.48 m0 depending on magnetic filed direction, suggesting that m*CR is about two times larger than the masses estimated from the dHvA effect.

Original languageEnglish
Pages (from-to)156-159
Number of pages4
JournalPhysica B: Condensed Matter
Publication statusPublished - 2001 Jan

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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