Magnetic resonance at low frequencies in (C2H5NH3)2CuCI4
V. N. VasyukovPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , DonetskА. В. ЖуравлевPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , DonetskС. Н. ЛукинPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , DonetskВ. Т. ТелепаPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR , Donetsk
ABI
Аннотация
We have studied the frequency and field dependence of the AFMR spectrum at (C2H5NH3)2CuCl4 at a temperature of 4.2 °K over the frequency interval ν = 10-3–2.6 GHz in magnetic fields in the range 0–2.0 kOe. We determine the value of the spin-flop field to be HSF= 305±5 Oe, the exchange field to HE= 1410 ± 10 Oe, and the zero-field gap in the AFMR spectrum to be νc = 1160 ± 50 MHz.
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