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Ti-rich and Cu-poor grain-boundary layers of CaCuTiO detected by x-ray photoelectron spectroscopy
C. Wang, H. J. Zhang, P. M. He +1
Cleaved and polished surfaces of CaCuTiO ceramics have been investigated by x-ray photoelectron spectroscopy (XPS) and energy dispersive x-ray spectroscopy (EDX), re…
Optical Refractive Index of Massive Particles and Physical Meanings of Left-handed Media
Jian Qi Shen
In this Letter the expression for the refractive index of de Broglie wave in the presence of a potential field is obtained and based on this, the physical meanings of negative inde…
Abnormal phenomena in a one-dimensional periodic structure containing left-handed materials
Liang Wu, Sailing He, Linfang Shen
The explicit dispersion equation for a one-dimensional periodic structure with alternative layers of left-handed material (LHM) and right-handed material (RHM) is given and analyze…
Degeneracy analysis for a super cell of a photonic crystal and its application to the creation of band gaps
Liang Wu, Sailing He
A method is introduced to analyze the degeneracy properties of the band structure of a photonic crystal making use of the super cells. The band structure associated with a super ce…