PARAMAGNETIC AND OPTICAL SPECTRA OF DIVALENT NICKEL IN CUBIC CRYSTALLINE FIELDS
Journal Article
·
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
The paramagnetic resonance spectrum of divalent nickel in cubic MgO was investigated. The spectrum is isotropic with one line at g = 2.227 plus or minus 0.002. Eight optical absorption lines at 86,000, 13,400, 14,800, 21,550, 24,500, 25,950, 28,300, amd 34,500 cm/sup -1/ were detected. These absorption lines are interpreted as transitions between the singlet ground state and all possible Stark levels of the F, P, D, and G levels. Agreement is obtained to within 300 cm/sup -1/ by using crystalline field theory, with parameters Dq = 860 cm/sup -1/, Ep = 13,000 cm/sup -1/, En= 10,900 cm/sup -1/, E/sub G/ = 19,600 cm/ sup -1/, and lambda (the spin-orbit coupling constant) = --245 cm/sup -1/. The significance of the reduced values of the energy levels and the spin-orbit coupling constant is discussed. (auth)
- Research Organization:
- Univ. of Chicago, Ill.; Hebrew Univ., Jerusalem, Israel
- NSA Number:
- NSA-12-005769
- OSTI ID:
- 4309142
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 109; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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