Effect of Pressure on the 3d Mono-Pnictides CrAs and MnP

Effect of Pressure on the 3d Mono-Pnictides CrAs and MnP

In transition-metal monopnictides, CrAs and MnP, CrAs forms a double-helical magnetic structure below TN=270 K accompanied by a strong first-order structural transition, while MnP first undergoes a ferromagnetic transition at Tc=290 K and then adopts a similar double-helical order below Ts=50 K. By...

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Veröffentlicht in:The Review of High Pressure Science and Technology 2019, Vol.29(4), pp.272-282
Hauptverfasser: CHENG, Jingaung, MATSUDA, Masaaki, UWATOKO, Yoshiya
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
CrAs
Critical pressure
Ferromagnetism
Group 5A compounds
Magnetic structure
MnP
Pressure effects
Superconductivity
superconductor
Transition metals
Transition temperature
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Zusammenfassung:In transition-metal monopnictides, CrAs and MnP, CrAs forms a double-helical magnetic structure below TN=270 K accompanied by a strong first-order structural transition, while MnP first undergoes a ferromagnetic transition at Tc=290 K and then adopts a similar double-helical order below Ts=50 K. By using high pressure, we observed superconductivity with a maximum superconducting transition temperature of Tsc=2 K and 1 K under a critical pressure of Pc=0.8 and 8 GPa for CrAs and MnP, respectively. In this review article, we will summarize the achievements of superconductivity in CrAs and MnP.
ISSN:0917-639X
1348-1940
DOI:10.4131/jshpreview.29.272