[EN] This paper reports a joint experimental and theoretical study of the electronic band structure of two ordered-vacancy compounds with defect-chalcopyrite structure: CdGa2S4 and HgGa2S4. High-pressure optical-absorption ...
Gomis Hilario, Oscar; Santamaría-Pérez, D.; Vilaplana Cerda, Rosario Isabel; Luna Molina, Ramón; Sans, J. A.; Manjón Herrera, Francisco Javier; Errandonea, D.; Pérez-González, E.; Rodríguez-Hernández, P.; Muñoz, A.; Tiginyanu, I. M.; Ursaki, V. V.(Elsevier, 2014-01-15)
In this work, we focus on the study of the structural and elastic properties of mercury digallium sulfide (HgGa2S4) at high pressures. This compound belongs to the family of AB(2)X(4) ordered-vacancy compounds and exhibits ...
Vilaplana Cerda, Rosario Isabel; Gomis Hilario, Oscar; Pérez-González, E.; Ortiz, H. M.; Manjón Herrera, Francisco Javier; Rodríguez-Hernández, P.; Muñoz, A.; Alonso-Gutiérrez, P.; Sanjuán, M. L.; Ursaki, V. V.; Tiginyanu, I. M.(IOP Publishing: Hybrid Open Access, 2013-04-24)
Order-disorder phase transitions induced by thermal annealing have been studied in the ordered-vacancy compound ZnGa2Se4 by means of Raman scattering and optical absorption measurements. The partially disordered as-grown ...