| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Armand, Pascale
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Topics
Publications (9/9 displayed)
- 2024Study of the amorphous and crystalline states in Ge(Te1-xSex) thick films (x = 0, 0.50) by in situ temperature-dependent structural analysescitations
- 2023In situ study of the crystallization in GeTe0.26 Se0.74 thick film by synchrotron X-ray diffractioncitations
- 2021Growth, single-crystal structure, and magnetic properties of the double molybdate KYb(MoO4)2citations
- 2021Structural and Vibrational Study of CsSbGe3O9, a New Germanate in the ASbGe3O9 Family (A = Alkali Metal)citations
- 2021Structure, vibrational and magnetic characteristics of LiYbX2O8 (X = W, Mo) single-crystalscitations
- 2020Single-crystal growth, structure, and optical properties of a new non-centrosymmetric germanate, RbSbGe3O9citations
- 2019High temperature piezoelectric properties of flux-grown α-GeO 2 single crystalcitations
- 2019High temperature piezoelectric properties of flux-grown α-GeO 2 single crystalcitations
- 2012Modulation of quartz-like GeO2 structure by Si substitution: an X-ray diffraction study of Ge1-xSixO2 (0citations
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article
Structural and Vibrational Study of CsSbGe3O9, a New Germanate in the ASbGe3O9 Family (A = Alkali Metal)
Abstract
The germanate CsSbGe 3 O 9 , grown spontaneously via the high-temperature solution method from Cs 2 Mo 4 O 13 used as a flux, crystallizes in the orthorhombic system with a = 12.3636(2), b = 13.8521(2), c = 31.4824(5) Å, and V = 5391.73(2) Å 3. Its structure, determined from single-crystal X-ray diffraction data, is most probably noncentrosymmetric despite our choice to report it in the centrosymmetric maximal supergroup Pnma D 2h 16 (no. 62) in which agreement factors R1 = 0.0371 and wR2 = 0.0706 (all data) were obtained. The unit cell contains 24 formulas CsSbGe 3 O 9. The threedimensional network is built up with regular germanate tetrahedra at nine crystallographically independent Ge sites. The Sb atoms (four independent positions) adopt octahedral coordination with O atoms, and the Cs + cations are located in the channels of the 3-D network. A more in-depth analysis of the structure of CsSbGe 3 O 9 is carried out in the light of the structures previously determined for the compounds ASbGe 3 O 9 (A = K, Rb) having the same chemical formula but significantly different atomic arrangements. The structural characteristics are discussed related to literature and the nature of the monovalent cation A + .