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Finite Temperature Effects in One-dimensional Mott-Hubbard Insulator: Angle-Resolved Photoemission Study of Na_{0.96}V_{2}O_{5}
K. Kobayashi, T. Mizokawa, A. Fujimori +4
We have made an angle-resolved photoemission study of a one-dimensional (1D) Mott-Hubbard insulator Na_{0.96}V_{2}O_{5} and found that the spectra of the V 3d lower Hubbard band ar…
High frequency dielectric and magnetic anomaly at the phase transition in NaV2O5
A. I. Smirnov, M. N. Popova, A. B. Sushkov +6
We found anomalies in the temperature dependence of the dielectric and the magnetic susceptibiliy of NaV_2O_5 in the microwave and far infrared frequency ranges. The anomalies occu…
Lattice vibrations of alpha'-NaV2O5
M. N. Popova, A. B. Sushkov, S. A. Golubchik +6
We have measured far infrared reflectance and transmittance spectra as well as Raman scattering spectra of α'-NaV2O5 single crystals for all the principal polarizations. The temper…
Anomalous thermal conductivity of NaV2O5 as compared to conventional spin-Peierls system CuGeO3
A. N. Vasil'ev, V. V. Pryadun, D. I. Khomskii +4
A huge increase of thermal conductivity k is observed at the phase transition in stoichiometric NaV2O5. This anomaly decreases and gradually disappears with deviation from stoichio…