|
FIZIKA A 15 (2006) 3 , 165-180
 
DIFFERENT REFERENCE SYSTEMS IN THE STUDY OF STRUCTURAL PROPERTIES OF SOME
SIMPLE LIQUID METALS
P. B. THAKORa, P. N. GAJJARb and A. R. JANIc
aDepartment of Physics, Veer Narmad South Gujarat University,
Udhana Magdalla Road, Surat 395 007, Gujarat, India
bDepartment of Physics, School of Sciences, Gujarat University,
Ahmedabad 380 009, Gujarat, India
cDepartment of Physics, Sardar Patel University, Vallabh Vidyanagar
388 120, Gujarat, India
Received 8 February 2005; Revised manuscript received 24 November 2006
Accepted 29 November 2006 Online 23
February 2007
In the present paper three reference systems: Percus-Yevick hard sphere (PYHS),
one component plasma (OCP) and charged hard sphere (CHS) are employed to
investigate the temperature-dependent structural properties of some simple
liquid metals. The structure factor S(q), pair-distribution function g (r) and
interatomic distance r1 of nearest neighbour atoms for Mg, Zn, Al,
In, Tl and Pb are reported. Our own model potential is employed along with the
local field correction due to Sarkar et al. (SS) to describe electron-ion
interaction. It is seen that the CHS method alongwith the present form of model
potential can explain more accurately the structural behaviour than PYHS and OCP
methods.
PACS numbers: 71.15H, 61.25M, 61.20
UDC 538.911, 621.386
Keywords: liquid metals (Mg, Zn, Al, In, Tl, Pb), temperature dependent
structural properties, Percus-Yevick hard sphere, one component plasma and
charged hard sphere reference systems
|
