Taking into account the influence on the lattice constant from temperature,the valence electronic structures of GP zones of η-form in the Al-Ag alloy,and the interfacial energy between GP zones of η-form and matrix were calculated by using empirical electron theory in solid and molecules(EET) and the extension of Becker model.

Coherent electron structure of GP zones in Al-Cu alloy and interfacial energy between GP zones and matrix;

The valence electron structures of the GP zones with model L1_0 in Al-Mg-Si alloy were calculated according to the empirical electron theory(EET) in solid.

The valence electron structures of GP zones with model L1_0 in Al-Mg-Si alloy were calculated according to the empirical electron theory(EET) in solid.

Influence of Li on kinetics of GP zones transformation in Al-Zn-Mg-Cu alloys;

Computer simulation of high-resolution electron microscope images of the monolayer Mg-GP,Si-GP zone in aluminum alloy;

Analysis of valence electron structure of GP zone in Al-Mg-Si alloyfor strengthening;

According to their physical meanings in GP model, the BJT parameters are obtained first by measuring the volt and current in specified status, and then by processing the data.

Based on the theory of GP model and Process Data,a method of optimizing the key temperature parameters such as XTB and XTI is discussed in this paper,and it s proved in a typical bandgap reference circuit with Hspice simulation which the temperature characteristic of bandgap reference can be improved ranging from-55℃ to 125℃.