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ISSN:    frecuency : 4   format : Electrónica

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Volume 24 Number 2 Year 2014

11 articles in this issue 

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Table of Contents, Vol. 24 No.2 (2014)

 

Nguyen Thanh Phong

We study the seesaw realization of a A4A_4model with two Higgs singlets. In this model, the mixing angle ?13\theta_{13} and leptogenesis are zero if the components of right handed neutrino mass matrix resulting from the two Higgs singlets are exact degene... see more

Pags. 113  

Nguyen Ai Viet

In this paper we have discussed all possible boundary values used in the ordinary Skyrme model. Among the solutions to these boundary conditions the non-skyrmion and skyrmion one exist according to certain choices. The free parameter RR in the boundary va... see more

Pags. 124  

P. H. Suthar,B. Y. Thakore,P. N. Gajjar

Electrical transport properties viz. electrical resistivity and thermal conductivity of Ni-Cr binary alloys are determine by our recognized single parametric model potential in wide range of Cr concentration. In this work, screening functions (Ichimaru an... see more

Pags. 135  

Vu Kim Thai,Hoang Anh Tuan

The temperature dependent magnetization of a two band model for diluted magnetic semiconductors as a function of magnetic coupling constant, hopping parameters and carrier densities is calculated by using the coherent potential approximation.  It is ... see more

Pags. 141  

Ngo Vo Ke Thanh,Nguyen Dang Giang,Lam Quang Vinh,Huynh Thanh Dat

Gold nanoparticles are being used in various biomedical applications due to their small size to volume ratio, extensive thermal stability, less toxic… Many different techniques e.g. chemical, photochemical reduction and electrochemical, gamma have been ap... see more

Pags. 146  

Dang Tran Chien,Pham Duy Long

In this work, TiO2_{2} nanocrystalline thin films were obtained through evaporating Ti films by Electron Beam Deposition (EBD) followed by thermal treatment. The deposition speed of Ti thin fims was carried out at 0.15 nm/s and 1 nm/s. The results show... see more

Pags. 155  

Nguyen Van Khien,Vu Dinh Lam,Le Van Hong

Ba1-xCaxTiO3 material samples with x changing from zero to 1 were fabricated by the solid state reaction method at a temperature of 1200 oC in the ambient atmosphere. Crystalline structure of the material samples was recorded and identified by X-ray diffr... see more

Pags. 170  

Vu Van Hung,Duong Dai Phuong,Nguyen Thi Hoa

The moment method in statistical dynamics \textit{(SMM)} is used to study thermodynamic properties of free standing thin metal films with face-centered cubic structure (fcc) taking into account the anharmonicity effects of the lattice vibra... see more

Pags. 177