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Titolo:
Effective pair potential, structure and heat capacity of undercooled liquid rubidium
Autore:
Singh, RN; Jaju, RP; Ali, I;
Indirizzi:
Sultan Qaboos Univ, Coll Sci, Dept Phys, Al Khod, Oman Sultan Qaboos UnivAl Khod Oman niv, Coll Sci, Dept Phys, Al Khod, Oman Univ Swaziland, Dept Comp Sci, Fac Sci, Kwaluseni, Swaziland Univ Swaziland Kwaluseni Swaziland p Sci, Fac Sci, Kwaluseni, Swaziland
Titolo Testata:
PHYSICA B
fascicolo: 1-2, volume: 299, anno: 2001,
pagine: 108 - 119
SICI:
0921-4526(200105)299:1-2<108:EPPSAH>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
METALS; TRANSITION; DENSITIES; ALKALIS;
Keywords:
undercooled liquid metals; electron screening; structure factor; pseudopotential; specific heat;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: Ali, I Sultan Qaboos Univ, Coll Sci, Dept Phys, POB 36,SQU-123, Al Khod, Oman Sultan Qaboos Univ POB 36,SQU-123 Al Khod Oman 123, Al Khod, Oman
Citazione:
R.N. Singh et al., "Effective pair potential, structure and heat capacity of undercooled liquid rubidium", PHYSICA B, 299(1-2), 2001, pp. 108-119

Abstract

The electronic theory of metallic system is used to investigate the effectof the local-field correction function for electron's screening and of theelectron-ion pseudopotentials on the effective pair potential, structure and heat capacity (C'(P)) of undercooled liquid Rb. C'(P) is found to increase with decreasing T in the region T < T-m. The T dependence of C'(P) is found to be consistent for different electron's screening functions and different pseudopotentials. The characteristic features of interatomic pair potentials and structure factors in the undercooled region are also discussed. The principal peak height of the structure factor reaches a height of 2.8 in the undercooled Rh at T = 185 K which is about 59% lower than T-m. <(c)> 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 30/03/20 alle ore 10:22:37