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EPR of VO2+ in KTiOPO4 Single Crystals
Zeitschrift fur Naturforschung A-A Journal of Physical Sciences
KTi0P04 single crystals doped with V20 4 were grown from fluxes between 1323 and 1123 K with dimensions up to (10x5x5) mm3. Two crystallographically inequivalent centers of V02+ in the occupation ratio of 10:1 were detected by EPR at room temperature. Their z axes of largest hyperfine splitting are oriented close to the directions of the very short Ti O bonds of the two Ti in the structure. An energy difference for incorporation of V02+ into these two sites of -9.4+ 1.7 kJ/mol per pm differencedoi:10.1515/zna-1989-0804 fatcat:dttn6ex3v5d4vp2krqsl2wd3a4