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Title: Electrical resistance of single-crystal magnetite (Fe 3 O 4 ) under quasi-hydrostatic pressures up to 100 GPa

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.4945388· OSTI ID:1364599
 [1]; ORCiD logo [2];  [3];  [4];  [1]
  1. Carnegie Inst. of Washington, Washington, DC (United States). Geophysical Lab.
  2. Univ. of North Florida, Jacksonville, FL (United States). Dept. of Physics
  3. Ecole Polytechnique Federale Lausanne (Switzlerland)
  4. Carnegie Inst. of Washington, Washington, DC (United States). Geophysical Lab.; Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

We measured the pressure dependence of electrical resistance of single-crystal magnetite (Fe3O4) under quasi-hydrostatic conditions to 100 GPa using low-temperature, megabar diamond-anvil cell techniques in order to gain insight into the anomalous behavior of this material that has been reported over the years in different high-pressure experiments. The measurements under nearly hydrostatic pressure conditions allowed us to detect the clear Verwey transition and the high-pressure structural phase. Furthermore, the appearance of a metallic ground state after the suppression of the Verwey transition around 20 GPa and the concomitant enhancement of electrical resistance caused by the structural transformation to the high-pressure phase form reentrant semiconducting-metallic-semiconducting behavior, though the appearance of the metallic phase is highly sensitive to stress conditions and details of the measurement technique.

Research Organization:
Carnegie Inst. of Science, Washington, DC (United States); Energy Frontier Research Centers (EFRC) (United States). Energy Frontier Research in Extreme Environments (EFree)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
NA0002006; SC-0001057; FG02-02ER45955; FG02-99ER45775; AC52-07NA27344
OSTI ID:
1364599
Alternate ID(s):
OSTI ID: 1246184
Journal Information:
Journal of Applied Physics, Vol. 119, Issue 13; ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 12 works
Citation information provided by
Web of Science

References (33)

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Effect of Pressure on the Metal-Nonmetal Transition and Conductivity of Fe 3 O 4 journal September 1968
Charge order and three-site distortions in the Verwey structure of magnetite journal December 2011
Charge localization in the Verwey structure of magnetite journal July 2015
Analysis of charge and orbital order in Fe 3 O 4 by Fe L 2 , 3 resonant x-ray diffraction journal November 2013
Electric field control of the Verwey transition and induced magnetoelectric effect in magnetite journal August 2012
Orbital degrees of freedom as origin of magnetoelectric coupling in magnetite journal February 2012
Spin state of iron in Fe 3 O 4 magnetite and h -Fe 3 O 4 journal April 2013
Anharmonicity due to Electron-Phonon Coupling in Magnetite journal May 2013
Pressure-Induced Crystal Structure and Spin-State Transitions in Magnetite (Fe 3 O 4 ) journal August 2012
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Metallization of magnetite at high pressures journal March 2002
Pressure-induced coordination crossover in magnetite, a high pressure Mössbauer study journal August 2004
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Origin of the Verwey Transition in Magnetite journal February 2006
Pressure Dependence of the Verwey Temperature of Fe 3- y O 4 Obtained by Magnetic Permeability Measurements journal December 1990
Pressure Effects on Magnetic Susceptibility in Fe 3 O 4 journal January 2007
Verwey transition in Fe 3 O 4 at high pressure: Quantum critical point at the onset of metallization journal September 2008
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Solidification of High-Pressure Medium Daphne 7373 journal June 2007
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Polaron physics and crossover transition in magnetite probed by pressure-dependent infrared spectroscopy journal December 2012
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Cited By (2)

A Room‐Temperature Verwey‐type Transition in Iron Oxide, Fe 5 O 6 journal January 2020
A Room‐Temperature Verwey‐type Transition in Iron Oxide, Fe 5 O 6 journal January 2020

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