3 papers
cond-mat.str-el2004
Quantum Critiality and Collective Effects in Low Dimensional Magnet CuGeO3 Probed by High Frequency EPR
S. V Demishev, A. V. Semeno, A. A. Pronin +8
For the CuGeO3 single crystals doped with 1% of Fe the quantum critical behavior in a wide temperature range 1-40 K is reported. The critical exponents for susceptibility along dif…
cond-mat.str-el2004
High Frequency EPR Spectroscopy of Germanium Cuprate. I. The Case of Doping with Cobalt
S. V. Demishev, A. V. Semeno, N. E. Sluchanko +7
Resonant magnetoabsorption spectra for CuGeO3 single crystals containing 2% of Co impurity are studied in the frequency range 60-360 GHz in magnetic field up to 16 T at temperature…
cond-mat.str-el2001
Decay of spin-Peierls state in CuGeO3:Fe. The case of a strong disorder
S. V. Demishev, R. V. Bunting, A. A. Pronin +7
Influence of doping by iron impurity on spin-Peierls state in CuGeO3 is studied. ESR measurements for the frequency/temperature domain 60-450 GHz/ 1.8-300 K and specific heat data…