TY - JOUR
T1 - Direct observation of decoupled structural and electronic transitions and an ambient pressure monocliniclike metallic phase of VO2
AU - Laverock, J.
AU - Kittiwatanakul, S.
AU - Zakharov, A.
AU - Niu, Y.
AU - Chen, B.
AU - Wolf, S. A.
AU - Lu, J. W.
AU - Smith, K. E.
PY - 2014/11/17
Y1 - 2014/11/17
N2 - We report the simultaneous measurement of the structural and electronic components of the metal-insulator transition (MIT) of VO2 using electron and photoelectron spectroscopies and microscopies. We show that these evolve over different temperature scales, and are separated by an unusual monocliniclike metallic phase. Our results provide conclusive evidence that the new monocliniclike metallic phase, recently identified in high-pressure and nonequilibrium measurements, is accessible in the thermodynamic transition at ambient pressure, and we discuss the implications of these observations on the nature of the MIT in VO2.
AB - We report the simultaneous measurement of the structural and electronic components of the metal-insulator transition (MIT) of VO2 using electron and photoelectron spectroscopies and microscopies. We show that these evolve over different temperature scales, and are separated by an unusual monocliniclike metallic phase. Our results provide conclusive evidence that the new monocliniclike metallic phase, recently identified in high-pressure and nonequilibrium measurements, is accessible in the thermodynamic transition at ambient pressure, and we discuss the implications of these observations on the nature of the MIT in VO2.
UR - http://www.scopus.com/inward/record.url?scp=84919360044&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.113.216402
DO - 10.1103/PhysRevLett.113.216402
M3 - Article (Academic Journal)
C2 - 25479508
AN - SCOPUS:84919360044
SN - 0031-9007
VL - 113
JO - Physical Review Letters
JF - Physical Review Letters
IS - 21
M1 - 216402
ER -