2018
DOI: 10.1186/s40543-018-0142-4
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Material structure, properties, and dynamics through scanning transmission electron microscopy

Abstract: Scanning transmission electron microscopy (STEM) has advanced rapidly in the last decade thanks to the ability to correct the major aberrations of the probe-forming lens. Now, atomic-sized beams are routine, even at accelerating voltages as low as 40 kV, allowing knock-on damage to be minimized in beam sensitive materials. The aberration-corrected probes can contain sufficient current for high-quality, simultaneous, imaging and analysis in multiple modes. Atomic positions can be mapped with picometer precision… Show more

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Cited by 35 publications
(21 citation statements)
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References 96 publications
(160 reference statements)
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“…High-resolution transmission electron microscopy (HRTEM) is a powerful characterization tool and has been extensively and successfully used for analyzing crystal structures on an atomic scale [1][2][3][4]. Recently, halide perovskites have achieved substantial success in various optoelectronic devices owing to their solution-based growth and their remarkable physical properties [5][6][7][8][9].…”
Section: Introductionmentioning
confidence: 99%
“…High-resolution transmission electron microscopy (HRTEM) is a powerful characterization tool and has been extensively and successfully used for analyzing crystal structures on an atomic scale [1][2][3][4]. Recently, halide perovskites have achieved substantial success in various optoelectronic devices owing to their solution-based growth and their remarkable physical properties [5][6][7][8][9].…”
Section: Introductionmentioning
confidence: 99%
“…Fuente: Las imágenes 2a y 2b son diseño de los autores, la imagen 2c fue tomada de J. Pennycook (2018).…”
Section: Microscopía Electrónica De Transmisión De Alta Resolución (Hrtem)unclassified
“…Por otro lado, el detector de HAADF recoge la dispersión que se da a ángulos grandes respecto al haz incidente, conocida como dispersión de Rutherford, la cual se da cuando los electrones pasan cerca del núcleo atómico de la muestra y son desviados a ángulos grandes respecto a su trayectoria inicial. Por ser esta señal proporcional al cuadrado del número atómico (Z) (Pennycook, 2018), se produce una imagen con una alta sensibilidad a los elementos presentes en la muestra. En sitios donde haya elementos más pesados se observarán zonas más contrastadas, es por ello que a esta técnica también se le conoce como "contraste Z".…”
Section: Microscopía Electrónica De Transmisión Por Barrido (Stem) Y Campo Oscuro Anular a áNgulo Grande (Haadf)unclassified
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“…In such a Z-Contrast image, the much brighter contrast represents the Pb positions, while the much fainter features in-between represent Zr/Ti atom columns. 18 Clearly, doping 1 mol. % Mn neither affects the microstructure nor destroys the local lattice of the PZTM ceramics.…”
mentioning
confidence: 99%