Abstract
In the present paper, first ever experimental Compton profile of Nd2O3 have been measured using 137Cs Compton spectrometer at an intermediate resolution of 0.34 a.u. Theoretical profile are computed using PP-DFT-GGA, PP-DFT- LDA and PP-DFT-SOGGA within the frame work of LCAO scheme in, and are compared with experimental results. Theoretical anisotropies in directional Compton profiles are explained in term of degenerate states along the Fermi level.
Highlights
Compton scattering is a well known technique to scrutinize the electronic properties of materials [1,2]
In Compton scattering technique one measures the double differential scattering cross-section, which is directly proportional to the Compton profile of the material
Some silent features of energy bands and density of states are as follows: Energy bands of Nd2O3 can be divided into two parts
Summary
Compton scattering is a well known technique to scrutinize the electronic properties of materials [1,2]. In Compton scattering technique one measures the double differential scattering cross-section, which is directly proportional to the Compton profile of the material. The Compton profile (CP), J(pz), is the one dimensional projection of electron momentum density n(p) along the scattering vector and is given by. Where pz is the component of electron momentum along the z-axis and ω2 is the energy of photon after scattering. According to IA interaction between photon and electron is so fast that electron does not have any chance to move in the potential well and to change its energy. The moving and bound electron can be considered as a free and at rest
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