J-M Gaite and H Rager 1997 J. Phys.: Condens. Matter 9 10033 doi:10.1088/0953-8984/9/45/029
Electron paramagnetic resonance study of 
at 
position in forsterite
J-M Gaite
and H Rager
In an electron paramagnetic resonance study of a synthetic single crystal of forsterite, 
, one spectrum of 
with maximum local symmetry -1 was observed. This spectrum arises from substituted for 
at the 
position. The second-order constants of the spectrum are 
and 
. All the fourth-order spin-Hamiltonian constants are given: they are much larger than generally observed in silicates. The zero-field splitting of the EPR spectrum is larger than the energy of the hyperfrequency field in the Q band; this case is near the limit of possibility of calculating the fourth-order constants of the spin Hamiltonian. It is shown that the substitution of for does not strongly modify the local structure and that there is no local charge compensation.
- PACS
- Subjects
- Dates
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Issue 45 (10 November 1997)
Received 16 May 1997, in final form 28 July 1997
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Electron paramagnetic resonance study of at position in forsterite
J-M Gaite and H Rager 1997 J. Phys.: Condens. Matter 9 10033
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