d-f EXCHANGE INTERACTION INDUCED VALENCE TRANSITION IN MIXED-VALENCE SYSTEMS

Piuli Mukherjee; S. K. Bhowmick; N. K. Ghosh

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Title: d-f EXCHANGE INTERACTION INDUCED VALENCE TRANSITION IN MIXED-VALENCE SYSTEMS

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1829-1171

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Coverage:

75-80

Abstract:

Role of exchange interaction is studied using extended Falicov–Kimball model. A discontinuous valence transition is observed at a critical f-level energy. Transition is sharper for smaller exchange interaction. A double-peak structure in specific heat appears for E < =Ec. For antiferromagnetic type of exchange interaction, a Curie contribution to the susceptibility is observed.

Date created:

2012-07-11

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pdf

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oai:arar.sci.am:23324

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ՀՀ ԳԱԱ Հիմնարար գիտական գրադարան

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Physics of elementary particles Physics

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Digital Library > Articles

Last modified:

Dec 13, 2023

In our library since:

Feb 27, 2020

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https://arar.sci.am/publication/26054

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Armenian Journal of Physics=Ֆիզիկայի հայկական հանդես

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d-f EXCHANGE INTERACTION INDUCED VALENCE TRANSITION IN MIXED-VALENCE SYSTEMS	Dec 13, 2023

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Title: d-f EXCHANGE INTERACTION INDUCED VALENCE TRANSITION IN MIXED-VALENCE SYSTEMS

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