dor_id: 41713

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650.#.4.x: Físico Matemáticas y Ciencias de la Tierra

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856.4.0.u: https://rmf.smf.mx/ojs/rmf/article/view/3692/3659

100.1.#.a: Montejano Carrizales, J. M.; Guirado López, R. A.; Rodríguez López, J. L.; Morán López, J. L.

524.#.#.a: Montejano Carrizales, J. M., et al. (2009). The geometrical characteristics of fcc, hcp, and polycrystalline nanowires: simulations of transmission electron microscopy images and diffraction patterns. Revista Mexicana de Física; Vol 55, No 4: 298-0. Recuperado de https://repositorio.unam.mx/contenidos/41713

245.1.0.a: The geometrical characteristics of fcc, hcp, and polycrystalline nanowires: simulations of transmission electron microscopy images and diffraction patterns

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Ciencias, UNAM

264.#.0.c: 2009

264.#.1.c: 2009-01-01

653.#.#.a: Nanowires; fcc nanostructures; hcp nanostructures; TEM simulations; diffraction patterns

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001.#.#.#: oai:ojs.rmf.smf.mx:article/3692

041.#.7.h: eng

520.3.#.a: To theoretically study the physicochemical properties of nanowires, it is necessary to build the corresponding atomic geometrical models. Here we present the geometrical characteristics of nanowires with fcc, hcp, and polycrystalline structures. We consider fcc and hcp wires grown along the (111) and z axis directions, respectively, with various diameters and lengths. In addition, since staking faults in these systems are very common, we analyze also the case of nanowires formed by stacked pieces having different crystalline structures and orientations, a fact that leads to the formation of several internal interfaces. By performing simulations of transmission electron microscopy (TEM) images and diffraction patterns of the nanowires considered here, we reveal how sensitive are the calculated images to the defocus condition as well as to the orientation of the wire with respect to the incident beam, a result that must be taken into account in order to better understand the measured data.

773.1.#.t: Revista Mexicana de Física; Vol 55, No 4 (2009): 298-0

773.1.#.o: https://rmf.smf.mx/ojs/rmf/index

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handle: 1905578ea393bff4

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last_modified: 2020-11-27 00:00:00

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Artículo

The geometrical characteristics of fcc, hcp, and polycrystalline nanowires: simulations of transmission electron microscopy images and diffraction patterns

Montejano Carrizales, J. M.; Guirado López, R. A.; Rodríguez López, J. L.; Morán López, J. L.

Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Facultad de Ciencias, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Montejano Carrizales, J. M., et al. (2009). The geometrical characteristics of fcc, hcp, and polycrystalline nanowires: simulations of transmission electron microscopy images and diffraction patterns. Revista Mexicana de Física; Vol 55, No 4: 298-0. Recuperado de https://repositorio.unam.mx/contenidos/41713

Descripción del recurso

Autor(es)
Montejano Carrizales, J. M.; Guirado López, R. A.; Rodríguez López, J. L.; Morán López, J. L.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
The geometrical characteristics of fcc, hcp, and polycrystalline nanowires: simulations of transmission electron microscopy images and diffraction patterns
Fecha
2009-01-01
Resumen
To theoretically study the physicochemical properties of nanowires, it is necessary to build the corresponding atomic geometrical models. Here we present the geometrical characteristics of nanowires with fcc, hcp, and polycrystalline structures. We consider fcc and hcp wires grown along the (111) and z axis directions, respectively, with various diameters and lengths. In addition, since staking faults in these systems are very common, we analyze also the case of nanowires formed by stacked pieces having different crystalline structures and orientations, a fact that leads to the formation of several internal interfaces. By performing simulations of transmission electron microscopy (TEM) images and diffraction patterns of the nanowires considered here, we reveal how sensitive are the calculated images to the defocus condition as well as to the orientation of the wire with respect to the incident beam, a result that must be taken into account in order to better understand the measured data.
Tema
Nanowires; fcc nanostructures; hcp nanostructures; TEM simulations; diffraction patterns
Idioma
eng
ISSN
2683-2224 (digital); 0035-001X (impresa)

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