Proceedings of the Indian Academy of Sciences - Section A

, Volume 65, Issue 6, pp 368–375

ESR study of dibarium copper formate tetrahydrate

Part II. Optical absorption and temperature dependence of spin-hamiltonian parameters


  • T. Ramasubba Reddy
    • Department of PhysicsIndian Institute of Science
  • R. Srinivasan
    • Department of PhysicsIndian Institute of Science

DOI: 10.1007/BF03054099

Cite this article as:
Reddy, T.R. & Srinivasan, R. Proc. Indian Acad. Sci. (1967) 65: 368. doi:10.1007/BF03054099


The variations in certain spin-Hamiltonian parameters of the Cu++ ion in dibarium copper formate tetrahydrate with temperature have been studied. Optical absorption investigations on single crystals of the salt at room temperature and 90° K. are reported. The results are discussed in terms of a model in which vibronic mixing of certain electron levels of the Cu++ ion play an important role.

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© Indian Academy of Sciences 1967