3 papers
cond-mat.str-el2000
Alkali specific effects in superconducting fullerides: the observation of a high temperature insulating phase in Na_2CsC_60
Natasa Cegar, Ferenc Simon, Slaven Garaj +5
Electron Spin Resonance and optical reflectivity measurements demonstrate a metal-insulator transition in Na_2CsC_60 as the system passes from the low temperature simple cubic to t…
cond-mat.supr-con2000
Search for Magnetic Field Induced Gap in a High-Tc Superconductor
G. Mihaly, A. Halbritter, L. Mihaly +1
Break junctions made of the optimally doped high temperature superconductor Bi2Sr2Ca2CuO8 with Tc of 90 K has been investigated in magnetic fields up to 12 T, at temperatures from…
cond-mat1994
Infrared Spectroscopic Study of Phase Transisions in A1c60 Compounds (a=K,Rb,Cs)
Daniel Koller, Michael C. Martin, Laszlo Mihaly
Optical measurements on doped C films provide evidence for a transition from a high temperature conducting phase to a low temperature insulating phase in quenched RbC$_{…