Correction to the Breakdown of the Long‐Wavelength Approximation and Characteristic Temperatures in Impurity Ion Paramagnetic Resonance | Zendy

Singh A. | Zendy; Shrivastava K. N. | Zendy

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Correction to the Breakdown of the Long‐Wavelength Approximation and Characteristic Temperatures in Impurity Ion Paramagnetic Resonance

Author(s) -

Singh A.,

Shrivastava K. N.

Publication year - 1980

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221010104

Subject(s) - bessel function , impurity , zero (linguistics) , wavelength , ion , condensed matter physics , field (mathematics) , paramagnetism , resonance (particle physics) , physics , atomic physics , chemistry , materials science , mathematics , quantum mechanics , philosophy , linguistics , pure mathematics

In the temperature dependence of the zero field splitting of PbWO 4 :Mn 2+ , the long‐wavelength approximation breaks down near T b ≈ 150 K. A correction factor is obtained using Bessel functions which explains the observation. In the temperature dependence of the zero field splitting of V 2+ in NaCl, KCl, and RbCl a minimum is found and a zero at characteristic temperatures, T c2 and T 02 , which are related by T 02 = √2 T c2 . This theoretical relation between the two temper‐atures is varified experimentally.

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