""Combined Co K-edge XANES-XMCD and XRD measurements were used to shed light on the magnetic. and structural phase diagram of the Fe1−xCox alloy under HP in the Co-rich region (x ≥ 0.5). At 0.5 ≤ x ≤ 0.75, the alloy shows a pressure-induced structural\\\/magnetic phase transition from bcc-FM to hcpnon-. FM phase just like pure iron but at higher pressures. The x = 0.9 sample has an fcc structure in the. pressure range investigated but presents an FM to non-FM transition at P = 64 GPa, a significantly lower. pressure compared with pure Co (predicted ≈120 GPa), showing that Fe impurities strongly affect the HP. Co response.""
Torchio, R., Pascarelli, S., Mathon, O., Marini, C., Anzellini, S., Centomo, P., et al. (2011). Structure and magnetism in compressed iron-cobalt alloys. HIGH PRESSURE RESEARCH, 31(1), 148-152 [10.1080/08957959.2010.534089].
Structure and magnetism in compressed iron-cobalt alloys
MENEGHINI, CARLO;MOBILIO, Settimio;
2011-01-01
Abstract
""Combined Co K-edge XANES-XMCD and XRD measurements were used to shed light on the magnetic. and structural phase diagram of the Fe1−xCox alloy under HP in the Co-rich region (x ≥ 0.5). At 0.5 ≤ x ≤ 0.75, the alloy shows a pressure-induced structural\\\/magnetic phase transition from bcc-FM to hcpnon-. FM phase just like pure iron but at higher pressures. The x = 0.9 sample has an fcc structure in the. pressure range investigated but presents an FM to non-FM transition at P = 64 GPa, a significantly lower. pressure compared with pure Co (predicted ≈120 GPa), showing that Fe impurities strongly affect the HP. Co response.""I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
