Zobrazeno 1 - 10
of 255
pro vyhledávání: '"GERZON E. DELGADO"'
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 13, Iss 4, Pp 286-290 (2021)
The new (CuGa)0.52TaSe2 alloy was synthesized by the melt and annealing technique and studied by SEM, DTA, and XRPD techniques. Its structure has been refined by the Rietveld method using X-ray powder diffraction data. This compound crystallizes in t
Externí odkaz:
https://doaj.org/article/a5ef06386b7b4b06bd37231bfb695429
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 13, Iss 3, Pp 236-240 (2021)
This work focuses on the preparation and structural characterization of the semiconductor Cu3In5Se9, an important member of ordered vacancy compounds family, belonging to the semiconductor system I3-III5--VI9, where denotes the cation vacancy which i
Externí odkaz:
https://doaj.org/article/db8a162ba05e4482a2061c489010e238
Autor:
Gerzon E. Delgado, Jines E. Contreras, Gustavo Marroquin, Joazaizulfazli Jamalis, Hernando A. Camargo, José A. Henao
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 21, Iss 2, Pp 195-206 (2020)
The co-crystal of succinic acid with imidazolidin-2-one was mechanochemically prepared and its structure was studied by powder and single-crystal X-ray diffraction. This compound crystallizes in the triclinic system with space group P-1. The molec
Externí odkaz:
https://doaj.org/article/5d6ca07de7774d738b9a7994e2e4d392
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 14, Iss 1 (2022)
A polycrystalline ingot (30mm long, 10mm diameter) of the alloy (CuInTe2)1-x(NbTe)x with x=0.5 has been produced using the melt and anneal technique and characterized by X-Ray Diffraction (XRD), Diferential Thermal Analysys (DTA) and Scanning Electro
Externí odkaz:
https://doaj.org/article/0a0c45d67818418ab89084318c6e5b6d
Publikováno v:
Materials Research, Vol 24, Iss 1 (2021)
Abstract Fe2SnSe4 belongs to the adamantine family of quaternary chalcogenides crystallizing in the olivine type structure, which can be described from a hexagonal close-packing of selenium anions with the octahedral and tetrahedral sites occupied by
Externí odkaz:
https://doaj.org/article/fe84f2a3445543d0bcd8224cc833e75d
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 18, Iss 2, Pp 111-119 (2017)
The title compound has been synthesized by grinding in an agate mortar. Its structure was characterized by TGA-DSC studies and single-crystal X-ray diffraction. This compound crystallize in the monoclinic system with space group C2/c, Z = 4, and unit
Externí odkaz:
https://doaj.org/article/0856273804b846f8bdcce7b8ef3b160b
Autor:
Gerzon-E Delgado, Maria Pirela, Ana Velásquez, Manuel Villarreal, Braulio Fernández, Pedro Grima-Gallardo
Publikováno v:
Revista Técnica de la Facultad de Ingeniería, Vol 41, Iss 3 (2019)
Resumen El compuesto ternario Ag2 SnTe3 ha sido sintetizado e investigado mediante difracción de rayos-X en muestras policristalinas y su estructura cristalina ha sido refinada utilizando el método Rietveld. El análisis térmico diferencial indic
Externí odkaz:
https://doaj.org/article/dfd8392a8f1e4a1f931cf76727a97808
Publikováno v:
Powder Diffraction. 37:108-114
X-ray powder diffraction data for the two new polymorphs of 1-methylhydantoin, C4H6N2O2, are reported. The polymorph II (MH-II) crystallizes in the orthorhombic system with space group Pna21 [a = 19.0323(7) Å, b = 3.91269(8) Å, c = 6.8311(7) Å, Z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::622198d1c5e07d1383ed9c98ae60fd6b
https://doi.org/10.1017/s0885715622000136
https://doi.org/10.1017/s0885715622000136
Autor:
Gerzon E. Delgado, Pedro Grima-Gallardo, Luis Nieves, Humberto Cabrera, Jennifer R. Glenn, Jennifer A. Aitken
Publikováno v:
Materials Research, Vol 19, Iss 6, Pp 1423-1428 (2016)
The crystal structure of the chalcogenide compounds CuCo2InTe4 and CuNi2InTe4, two new members of the I-II2-III-VI4 family, were characterized by Rietveld refinement using X-ray powder diffraction data. Both materials crystallize in the tetragonal sp
Externí odkaz:
https://doaj.org/article/52785096ffe64cf89d13fbc62bcce2e3
Autor:
Gerzon E. Delgado, Jesus A. Flores-Cruz, Pedro Grima-Gallardo, Miguel Quintero, Alvaro Moreno
Publikováno v:
Materials Research, Vol 21, Iss 2 (2018)
Chalcogenide alloys CuMnAlSe3, CuMnGaSe3 and CuMnInSe3, new members of the semiconductor system I-II-III-VI3, were synthetized and structurally characterized by the Rietveld method using X-ray powder diffraction data. All compounds crystallize in the
Externí odkaz:
https://doaj.org/article/edba0e7f709f4aa5a178403f5f14da1c