## Abstract For Abstract see ChemInform Abstract in Full Text.
Crystal structures of low- and high-temperature modifications of Cu2CdGeSe4
β Scribed by L.D Gulay; Ya.E Romanyuk; O.V Parasyuk
- Book ID
- 117621205
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 130 KB
- Volume
- 347
- Category
- Article
- ISSN
- 0925-8388
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π SIMILAR VOLUMES
Crystalline Cs 2 KMnF 6 , when prepared below 5003C, adopts a tetragonal elpasolite structure type. Di4erential scanning calorimetric investigations indicated that Cs 2 KMnF 6 undergoes a phase transition from the low-temperature tetragonal phase (LT) to a high-temperature phase (HT) at about 5303C.
We investigate the electronic structure for Cu 2 CdGeSe 4 in stannite structure with the first-principles method. This crystal is the direct band gap compound. In addition, the dielectric function, absorption coefficient, reflectivity, and energy-loss function are studied using the density functiona