Abstract
We performed group-theoretical analysis of the symmetry relationships between lattice structures of R, M1, M2, and T phases of vanadium dioxide in the frameworks of the general Ginzburg-Landau phase transition theory. The analysis leads to a conclusion that the competition between the lower-symmetry phases M1, M2, and T in the metal-insulator transition is pure symmetry driven, since all the three phases correspond to different directions of the same multi-component structural order parameter. Therefore, the lower-symmetry phases can be stabilized in respect to each other by small perturbations such as doping or stress.
Original language | English |
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Title of host publication | Oxide Nanoelectronics |
Pages | 67-71 |
Number of pages | 5 |
DOIs | |
State | Published - 2011 |
Event | 2010 MRS Fall Meeting - Boston, MA, United States Duration: Nov 29 2010 → Dec 3 2010 |
Publication series
Name | Materials Research Society Symposium Proceedings |
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Volume | 1292 |
ISSN (Print) | 0272-9172 |
Conference
Conference | 2010 MRS Fall Meeting |
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Country/Territory | United States |
City | Boston, MA |
Period | 11/29/10 → 12/3/10 |
Funding
Research at ORNL's Center for Nanophase Materials Sciences was sponsored by the Division of Scientific User Facilities, Office of Basic Energy Sciences, U.S. DOE. The work of IL was supported by ANR project LOMACOQU. The research at SIUC was supported through NSF ECCS-0925837 and SISGR-DOE ERKCM67. JDB and JZT were supported by the Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, U.S. DOE.