Concentrated transition metal alloys with the formula NiCoCrx, with x≈1, and a simple cubic crystal structure, display transport, magnetic and thermodynamic signatures exhibited by more structurally complex compounds near a quantum critical point (QCP).
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Scientific Achievement
Found that, when confined in the ~ 5 Å wide channels in a beryl crystal, the water molecule undergoes quantum tunneling between six symmetrically equivalent positions around the c-axis in the structure.
Significance and Impact
Fir
Multiferroic materials are important because their electrical and magnetic properties are coupled. Because BiFeO3 magnetically orders below 640 K, it is one of two known room-temperature multiferroic materials.