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volume 109 issue 8 publication number 086402

Insulator-Metal Transition in Highly Compressed NiO

Publication typeJournal Article
Publication date2012-08-21
scimago Q1
wos Q1
SJR2.856
CiteScore15.6
Impact factor9.0
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
The insulator-metal transition was observed experimentally in nickel monoxide (NiO) at very high pressures of ~240 GPa. The sample resistance becomes measurable at about 130 GPa and decreases substantially with the pressure increase to ~240 GPa. A sharp drop in resistance by about 3 orders of magnitude has been observed at ~240 GPa with a concomitant change of the resistance type from semiconducting to metallic. This is the first experimental observation of an insulator-metal transition in NiO, which was anticipated by Mott decades ago. From simple multielectron consideration, the metallic phase of NiO forms when the effective Hubbard energy U(eff) is almost equal to the estimated full bandwidth 2W.
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GOST Copy
Gavriliuk A. G. et al. Insulator-Metal Transition in Highly Compressed NiO // Physical Review Letters. 2012. Vol. 109. No. 8. 086402
GOST all authors (up to 50) Copy
Gavriliuk A. G., Trojan I. A., Struzhkin V. V. Insulator-Metal Transition in Highly Compressed NiO // Physical Review Letters. 2012. Vol. 109. No. 8. 086402
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1103/PhysRevLett.109.086402
UR - https://doi.org/10.1103/PhysRevLett.109.086402
TI - Insulator-Metal Transition in Highly Compressed NiO
T2 - Physical Review Letters
AU - Gavriliuk, A. G.
AU - Trojan, Ivan A.
AU - Struzhkin, Viktor V.
PY - 2012
DA - 2012/08/21
PB - American Physical Society (APS)
IS - 8
VL - 109
PMID - 23002762
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2012_Gavriliuk,
author = {A. G. Gavriliuk and Ivan A. Trojan and Viktor V. Struzhkin},
title = {Insulator-Metal Transition in Highly Compressed NiO},
journal = {Physical Review Letters},
year = {2012},
volume = {109},
publisher = {American Physical Society (APS)},
month = {aug},
url = {https://doi.org/10.1103/PhysRevLett.109.086402},
number = {8},
pages = {086402},
doi = {10.1103/PhysRevLett.109.086402}
}
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