Synthesis, crystal structure, spectrum properties, and electronic structure of a new barium aluminoborate, Ba8[(Al6IV)(Al2IV)(Al2V)B12IIIO41]∞

2012 ◽  
Vol 511 (1) ◽  
pp. 74-80 ◽  
Author(s):  
Xuean Chen ◽  
Zhipeng Chu ◽  
Xinan Chang ◽  
Hegui Zang ◽  
Weiqiang Xiao
1993 ◽  
Vol 329 ◽  
Author(s):  
Vivien D.

AbstractIn this paper the relationships between the crystal structure, chemical composition and electronic structure of laser materials, and their optical properties are discussed. A brief description is given of the different laser activators and of the influence of the matrix on laser characteristics in terms of crystal field strength, symmetry, covalency and phonon frequencies. The last part of the paper lays emphasis on the means to optimize the matrix-activator properties such as control of the oxidation state and site occupancy of the activator and influence of its concentration.


CrystEngComm ◽  
2014 ◽  
Vol 16 (33) ◽  
pp. 7621-7625 ◽  
Author(s):  
Cody J. Gleason ◽  
Jordan M. Cox ◽  
Ian M. Walton ◽  
Jason B. Benedict

Single crystal structures, luminescent properties and electronic structure calculations of three polymorphs of the opto-electronic charge transport material 4,4′-bis(9-carbazolyl)biphenyl.


2017 ◽  
Vol 5 (42) ◽  
pp. 22146-22155 ◽  
Author(s):  
Fazel Shojaei ◽  
Jae Ryang Hahn ◽  
Hong Seok Kang

Based on a sophisticated crystal structure prediction method, we propose two-dimensional (2D) GeP2in the tetragonal (T) phase never observed for other group IV–V compounds.


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