IB Rutel, SA Zvyagin, JS Brooks, J Krzystek, P Kuhns… - Physical Review B, 2003 - APS
The charge transfer salt β′−(ET) 2 SF 5 CF 2 SO 3, which has previously been considered
a spin-Peierls material with a T SP∼ 33 K, is examined using high-resolution high-field sub …