Zobrazeno 1 - 10
of 201
pro vyhledávání: '"GERZON E. DELGADO"'
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:
Orbital: The Electronic Journal of Chemistry, Vol 13, Iss 4 (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/df23644a237840238193cb1d5c60b793
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, 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
Autor:
Gerzon E. Delgado, Kristal N. Varela, Rohixa V. Araque, Jesús A. Rodríguez, Asiloé J. Mora, Luis E. Seijas
Publikováno v:
Avances en Química, Vol 9, Iss 1, Pp 3-6 (2014)
The title compound, C7H9N3O3S, also known as rac-N-acetyl-5-propionamide-2-thioxo-imidazolidin-4-one, crystallize in the monoclinic system with space group P21/n (Nº14), Z=4, and unit cell parameters a= 9.338 (7) Å, b= 7.545 (5) Å, c= 13.212 (10)
Externí odkaz:
https://doaj.org/article/3178eaa3e0ff4488b587c9f7f202a62b
Publikováno v:
Avances en Química, Vol 8, Iss 1, Pp 3-7 (2013)
The crystal structure of compound C6H12NO2·C2HO4·H2O, or NIPE·OXAL·HYDR, is an ionic ensemble assisted by hydrogen bonds established between NIPE+ cations, OXAL− semi-oxalate anions and water molecules.The molecules are connected by O--H···O
Externí odkaz:
https://doaj.org/article/b3751bd4fbf941eea39b7459161b34e2