Nonequilibrium phase transitions in the presence of temporal disorder
22 International Conference on Chemical Thermodynamics ICCT 2012
Artificial intelligence and its applications in quantum physics
| Full text | |
| Author(s): |
Alves, L. M. S.
[1]
;
de Lima, B. S.
[1]
;
dos Santos, C. A. M.
[1]
;
Rebello, A.
[2]
;
Masunaga, S. H.
[2]
;
Neumeier, J. J.
[2]
;
Leao, J. B.
[3]
Total Authors: 7
|
| Affiliation: | [1] Univ Sao Paulo, Escola Engn Lorena, Dept Mat Engn, BR-12602810 Sao Paulo - Brazil
[2] Montana State Univ, Dept Phys, Bozeman, MT 59717 - USA
[3] NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 - USA
Total Affiliations: 3
|
| Document type: | Journal article |
| Source: | Journal of Applied Physics; v. 115, n. 20 MAY 28 2014. |
| Web of Science Citations: | 2 |
| Abstract | |
K0.05MoO2 has been studied by x-ray and neutron diffractometry, electrical resistivity, magnetization, heat capacity, and thermal expansion measurements. The compound displays two phase transitions, a first-order phase transition near room temperature and a second-order transition near 54 K. Below the transition at 54 K, a weak magnetic anomaly is observed and the electrical resistivity is well described by a power-law temperature dependence with exponent near 0.5. The phase transitions in the K-doped MoO2 compound have been discussed for the first time using neutron diffraction, high resolution thermal expansion, and heat capacity measurements as a function of temperature. (C) 2014 AIP Publishing LLC. (AU) | |
| FAPESP's process: | 09/54001-2 - Acquisition of cryogen-free equipment for the characterization of magnetic properties by vibrating sample magnetometry |
| Grantee: | Carlos Alberto Moreira dos Santos |
| Support Opportunities: | Multi-user Equipment Program |
| FAPESP's process: | 10/06637-2 - Crystalline structure and physical properties of the anomalous conductor KxMoO2-d |
| Grantee: | Leandro Marcos Salgado Alves |
| Support Opportunities: | Scholarships in Brazil - Doctorate |