Inhomogeneous magnetic structures of La0.7Ca0.3MnO3 investigated by ESR and magnetization measurements

Keon Woo Joh, Chang Hoon Lee, Cheol Eui Lee, Yoon Hee Jeong, C. S. Hong, Nam Hwi Hur

Research output: Contribution to journalArticlepeer-review


Comprehensive measurements of electron spin resonance and magnetization of La0.7Ca0.3MnO3 in the ferromagnetic as well as paramagnetic phases were carried out. From the quantitative analysis of the ESR signal, attributed to itinerant spins and localized spins in the bottleneck regime, evidences for the inhomogeneous nature of both phases, consisting of clusters of one phase embedded in the other, were found. It is suggested that the microscopic local magnetic structures above and below Tc are qualitatively similar except that the phase below Tc carries long range order.

Original languageEnglish
Pages (from-to)159-166
Number of pages8
JournalMaterials Research Society Symposium-Proceedings
Publication statusPublished - 2000

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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