scholarly journals Magnetic collapse and the behavior of transition metal oxides at high pressure

2016 ◽  
Vol 94 (15) ◽  
Author(s):  
I. Leonov ◽  
L. Pourovskii ◽  
A. Georges ◽  
I. A. Abrikosov
Keyword(s):  
High Pressure ◽  
Transition Metal ◽  
Metal Oxides ◽  
Transition Metal Oxides

scholarly journals High-pressure magnetic collapse in transition-metal oxides

2005 ◽  
Vol 61 (a1) ◽  
pp. c134-c134
Author(s):  
J.-P. Rueff ◽  
A. Mattila ◽  
J. Badro ◽  
G. Vanko ◽  
A. Shukla
Keyword(s):  
High Pressure ◽  
Transition Metal ◽  
Metal Oxides ◽  
Transition Metal Oxides

Synchrotron Moessbauer Spectroscopy and Resistivity Studies of Iron Oxide Under High Pressure

2006 ◽  
Vol 987 ◽  
Author(s):  
Viktor V. Struzhkin ◽  
Mikhail I. Eremets ◽  
Ivan M. Eremets ◽  
Jung-Fu Lin ◽  
Wolfgang Sturhahn ◽  
...  
Keyword(s):  
High Pressure ◽  
Magnetic Properties ◽  
Transition Metal ◽  
Metal Oxides ◽  
Transition Metal Oxides ◽  
High Pressures ◽  
Structural Phase ◽  
Experimental Studies ◽  
Magnetic Interactions ◽  
Diamond Anvil

AbstractThe strong electron correlations play a crucial role in the formation of a variety of electronic and magnetic properties of the transition metal oxides. In strongly correlated electronic materials many theoretical predictions exist on pressure-induced insulator-metal transitions, which are followed by a collapse of localized magnetic moments and by structural phase transitions [1]. The high-pressure studies provide additional degree of freedom to control the structural, electronic, optical, and magnetic properties of transition metal oxides. With the development of the high-pressure diamond-anvil-cell technique the experimental studies of such transitions are now possible with the advanced synchrotron techniques. In our studies, the iron monooxide Fe0.94O was studied under high pressures up to 200 GPa in diamond anvil cells. The single crystals enriched with Fe57 isotopes have been prepared for nuclear resonance measurements. The results of synchrotron Mössbauer spectroscopy (nuclear forward scattering -NFS), and electro-resistivity measurements suggest a complicated scenario of magnetic interactions governed by band-broadening effects.

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