Combining Borrmann and weak-beam diffraction images to study defects in a high-quality CdTe(Zn) crystal

Autor: T. Journot, D. Brellier, P. Ballet, T. N. Tran Thi Caliste, E. Gout, D. Collonge, J. Baruchel

Publikováno v: Journal of Applied Crystallography
Journal of Applied Crystallography, 2023, 56, pp.401-408. ⟨10.1107/s1600576723000377⟩

International audience; In this work, synchrotron radiation rocking curve imaging (RCI) is used to visualize and characterize dislocations and second-phase defects in a highly perfect and absorbing CdTe(Zn) crystal. This technique requires recording

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d5f6a4289d544caaae2fd00518865f5
https://doi.org/10.1107/s1600576723000377

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CET by Fragmentation during the Solidification under Natural and Forced Convection of Non-Refined Al-Based Alloys

Autor: Nathalie Mangelinck-Noël, H. Jung, A. Buffet, Henri Nguyen-Thi, Bernard Billia, J. Baruchel, N. Bergeon

Publikováno v: Materials Science Forum
Materials Science Forum, Trans Tech Publications Inc., 2010, 649, pp.343-348. ⟨10.4028/www.scientific.net/MSF.649.343⟩
Materials Science Forum, Trans Tech Publications Inc., 2010, 649, pp.343-348. 〈10.4028/www.scientific.net/MSF.649.343〉
Materials Science Forum, 2010, 649, pp.343-348. ⟨10.4028/www.scientific.net/MSF.649.343⟩

International audience; The columnar to equiaxed transition (CET) has been widely studied for many years [1] because this phenomenon is observed in metallurgical applications like castings. In non refined alloys, detachment of dendrite fragments is t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79e88a9b2d22fdd61f815f653bda9aef
https://doi.org/10.4028/www.scientific.net/msf.649.343

Study of the three-dimensional distribution of defects in crystals by synchrotron radiation diffraction tomography

Autor: J. Baruchel, J. Härtwig, V. V. Kvardakov, K.M. Podurets, S.A. Schetinkin, Michel Schlenker

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 575:140-143

The three-dimensional (3D) distribution of defects was investigated in several crystals by synchrotron radiation diffraction tomography. This experimental procedure combines white-beam synchrotron radiation section topography with electronic image re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e2f9cc128dcc22102ca701d7d7b938a
https://doi.org/10.1016/j.nima.2007.01.044