Defect point symmetry determination in crystals with structure phase transitions using temperature dependence of electron-paramagnetic-res spectra. impurities in $\mathrm{LiNbO}_{3}$

V. G. Grachev, G. I. Malovichko

Institute of Materials Science Problems, Academy of Sciences of UkSSR, Kiev

UDC: 535.3;537.226.33

Received: 30.07.1984

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