Volume 115, Number 3, August 2016
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||31 August 2016|
Role of anion ordering and effective pressure in the field-induced spin-density-wave phase of (TMTSF)2X
1 Department of Physics, Hokkaido University - Sapporo 060-0810, Japan
2 IMR, Tohoku University - Sendai 980-8577, Japan
Received: 27 March 2016
Accepted: 7 August 2016
Magnetoresistance and Hall resistance measurements were conducted in the field-induced spin-density-wave (FISDW) phase of (TMTSF)2ReO4 above 1.0 GPa, with an anion ordering specified by . The quantized Hall resistance shows the sequence , with decreasing field that is successfully explained by the “extended standard model”. Consequently, we demonstrate that the difference between the chemical and hydrostatic pressures is linked to the appearance of the peculiar FISDW phase of the TMTSF salts with .
PACS: 75.30.Fv – Spin-density waves / 75.47.-m – Magnetotransport phenomena; materials for magnetotransport / 74.70.Kn – Organic superconductors
© EPLA, 2016
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