Výsledky vyhledávání - "K, Boujdaria"

Anisotropic shape of CsPbBr3 colloidal nanocrystals: from 1D to 2D confinement effects

Autor: Mathieu Bernard, Maria Chamarro, F. Bernardot, Julien Ramade, Violette Steinmetz, Christophe Testelin, Imen Saïdi, Amal Ghribi, Emmanuel Lhuillier, Thierry Barisien, Laurent Legrand, Maxime Vabre, K. Boujdaria

Publikováno v: Nanoscale
Nanoscale, Royal Society of Chemistry, 2020, ⟨10.1039/D0NR03901B⟩
Nanoscale, 2020, ⟨10.1039/D0NR03901B⟩

International audience; We synthesized strongly anisotropic CsPbBr3 nanocrystals with very narrow emission and absorption lines associated to confinement effects along one or two dimensions, called respectively nanoplatelets (NPLs) and nanosticks (NS

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::207c0b0f30c7e43e5d04569c1b580ee0
https://doi.org/10.1039/d0nr03901b

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Dielectric Confinement and Exciton Fine Structure in Lead Halide Perovskite Nanoplatelets

Autor: Laurent Legrand, Rim Ben Aich, Amal Ghribi, K. Boujdaria, Christophe Testelin, Maria Chamarro, Thierry Barisien

Publikováno v: Nanomaterials
Nanomaterials, MDPI, 2021, 11 (11), pp.3054. ⟨10.3390/nano11113054⟩
Volume 11
Issue 11
Nanomaterials, Vol 11, Iss 3054, p 3054 (2021)

International audience; Owing to their flexible chemical synthesis and the ability to shape nanostructures, lead halide perovskites have emerged as high potential materials for optoelectronic devices. Here, we investigate the excitonic band edge stat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c33d53a7d310febd182dc032438f8045
https://hal.sorbonne-universite.fr/hal-03457290/document

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Fine structure of bright and dark excitons in asymmetric droplet epitaxy GaAs/AlGaAs quantum dots

Autor: A. Pankratov, Christophe Testelin, Maria Chamarro, S. Ben Radhia, K. Boujdaria, H. Mekni

Publikováno v: Physical Review B
Physical Review B, American Physical Society, 2021, 103 (7), ⟨10.1103/PhysRevB.103.075302⟩

International audience; We have calculated the exciton fine structure splittings (FSS) of asymmetric GaAs/AlGaAs quantum dots (QDs) obtained after Al droplet epitaxy and subsequent nanoholes formation followed by annealing and GaAs filling of nanohol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f876301d5eccf63730a702f754a43b05
https://doi.org/10.1103/physrevb.103.075302

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Exploring the shear strain contribution to the uniaxial magnetic anisotropy of (Ga,Mn)As

Autor: M. Kraimia, Laura Thevenard, Catherine Gourdon, Ludovic Largeau, C. Mocuta, B. Croset, K. Boujdaria, Aristide Lemaître

Publikováno v: Journal of Applied Physics
Journal of Applied Physics, American Institute of Physics, 2020, 127 (9), pp.093901. ⟨10.1063/1.5140078⟩

International audience; We present an experimental and k.p theoretical study on the origin of the strong in-plane uniaxial magnetic anisotropy in (Ga,Mn)As layers, unexpected from the cubic crystalline structure. The symmetry lowering can be accounte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39ee9ae420d3ae3b288134f27a5f885c
https://hal.archives-ouvertes.fr/hal-02475068

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