U. Niebling et al., PREPARATION OF SUPERCONDUCTING ALPHA(1)-(BEDT-TTF)(2)I-3 THIN-FILMS BY STRUCTURAL TRANSFORMATION OF (BEDT-TTF)(2)I-3 IN AN I-2 ATMOSPHERE, Solid state communications, 106(8), 1998, pp. 505-507
Crystalline films of alpha(t)-(BEDT-TTF)(2)I-3 were produced by anneal
ing amorphous films of (BEDT-TTF)(2)I-3 in an I-2 gas atmosphere of 90
degrees C. The I-2 atmosphere was used in order to reduce the loss of
iodine in the films, which has been a major problem so far. Low field
microwave absorption shows an onset of superconductivity around 8 K p
roviding the success of this new technique. (C) 1998 Elsevier Science
Ltd. All rights reserved.