Výsledky vyhledávání - "Anne Ponchet"

How interface properties control the equilibrium shape of core-shell Fe-Au and Fe-Ag nanoparticles

Autor: Magali Benoit, Florent Calvo, Anne Ponchet, Julien Lam, Marie-José Casanove, Patrizio Benzo, Ségolène Combettes

Publikováno v: Nanoscale
Nanoscale, Royal Society of Chemistry, 2020, 12 (35), pp.18079-18090. ⟨10.1039/D0NR04425C⟩
Nanoscale, 2020, 12 (35), pp.18079-18090. ⟨10.1039/D0NR04425C⟩

International audience; While combining two metals in the same nanoparticle can lead to remarkable novel applications, the resulting structure in terms of crystallinity and shape remains difficult to predict. It is thus essential to provide a detaile

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88030fcca7f38539e541500128c6a3e3
https://pubmed.ncbi.nlm.nih.gov/32856658

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Zinc-blende group III-V/group IV epitaxy: Importance of the miscut

Autor: Simon Charbonnier, Gilles Patriarche, Mounib Bahri, Antoine Létoublon, Eric Tournié, Anne Ponchet, Tony Rohel, Angela Alvarez, Laurent Cerutti, Nicolas Bertru, Lipin Chen, Pascal Turban, Ida Lucci, Yoan Léger, Rozenn Bernard, Charles Cornet, Karine Tavernier, Jean-Baptiste Rodriguez, Ludovic Largeau

Publikováno v: Physical Review Materials
Physical Review Materials, 2020, 4 (5), pp.053401. ⟨10.1103/PhysRevMaterials.4.053401⟩
Physical Review Materials, American Physical Society, 2020, 4 (5), pp.053401. ⟨10.1103/PhysRevMaterials.4.053401⟩

International audience; Here we clarify the central role of the miscut during group III-V/group IV crystal growth. We show that the miscut impacts the initial antiphase domain distribution, with two distinct nucleation-driven (miscut typically >1°)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc0520e96bd2efcbf7c85b1691d455f2
https://hal.science/hal-02878985/document

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Equilibrium shape of core(Fe)–shell(Au) nanoparticles as a function of the metals volume ratio

Autor: Magali Benoit, Ségolène Combettes, Marie-José Casanove, Patrizio Benzo, Anne Ponchet, Nathalie Tarrat

Publikováno v: Journal of Applied Physics
Journal of Applied Physics, 2020, 128 (5), pp.055307. ⟨10.1063/5.0014906⟩
Journal of Applied Physics, American Institute of Physics, 2020, 128 (5), pp.055307. ⟨10.1063/5.0014906⟩

International audience; The equilibrium shape of nanoparticles is investigated to elucidate the various core–shell morphologies observed in a bimetallic system associating two immiscible metals, iron and gold, that crystallize in the bcc and fcc la

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba5e029abc44f5564bcd37bb05ef4535
https://hal.science/hal-02913274v2/document

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Shape transition in InAs nanostructures formed by Stranski-Krastanow growth mode on InP (001) substrate

Autor: Alain Le Corre, Nicolas Bertru, Laurent Pedesseau, Charles Cornet, Anne Ponchet

Publikováno v: Applied Physics Letters
Applied Physics Letters, 2019, 114 (17), pp.173102. ⟨10.1063/1.5091058⟩
Applied Physics Letters, American Institute of Physics, 2019, 114 (17), pp.173102. ⟨10.1063/1.5091058⟩

International audience; The shape of InAs nanostructures formed by molecular beam epitaxy on a (001) InP substrate in the Stranski-Krastanow growth mode is studied. A transition from wires to round-shaped islands is observed as a function of the amou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c35b3cbccfdd63b9d1060e751f07f10d
https://hal.science/hal-02119035

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Interface energy analysis of III–V islands on Si (001) in the Volmer-Weber growth mode

Autor: Jean-Baptiste Rodriguez, Gilles Patriarche, Anne Ponchet, Eric Tournié, Laurent Cerutti

Publikováno v: Applied Physics Letters
Applied Physics Letters, 2018, 113 (19), pp.191601. ⟨10.1063/1.5055056⟩
Applied Physics Letters, American Institute of Physics, 2018, 113 (19), pp.191601. ⟨10.1063/1.5055056⟩

International audience; The experimental island shapes of III–V islands grown on silicon (001) in the Volmer-Webergrowth mode are analyzed in the frame of the theory of wetting in crystals. A reverse Wulff-Kaishew (or Winterbottom) construction is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53d68696947f6128bdbe390ab7eb47ef
https://hal.science/hal-01913668

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GaP Template on Si for Solar Water Splitting: surface energy engineering

Autor: Laurent Pedesseau, Ida Lucci, Simon Charbonnier, Maxime Vallet, Pascal Turban, Yoan Léger, Tony Rohel, Nicolas Bertru, Antoine Létoublon, Laurent Cerutti, Jean-Baptiste Rodriguez, Eric Tournié, Ludovic Largeau, Anne Ponchet, Gilles Patriarche, Cornet, C.

Publikováno v: nanoGe Fall Meeting 2018 (NGFM18)
nanoGe Fall Meeting 2018 (NGFM18), Oct 2018, Torremolinos, Spain
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Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9f8920983da4f1b2f82e6818bc2cc23c
https://hal.archives-ouvertes.fr/hal-01909068

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A universal mechanism to describe the III-V on Si growth by Molecular Beam Epitaxy

Autor: Ida Lucci, Simon Charbonnier, Laurent Pedesseau, Maxime Vallet, Laurent Cerutti, Jean-Baptiste Rodriguez, Eric Tournié, Rozenn Bernard, Antoine Létoublon, Nicolas Bertru, Alain Le Corre, Stephanie Rennesson, Fabrice Semond, Gilles Patriarche, Ludovic Largeau, Pascal Turban, Anne Ponchet, Cornet, C.

Publikováno v: 20th International Conference on Molecular-Beam Epitaxy (ICMBE 2018)
20th International Conference on Molecular-Beam Epitaxy (ICMBE 2018), Sep 2018, Shanghai, China. pp.Th-C1-3(S)
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International audience; In this work, we experimentally and theoretically clarify the III-V/Si crystal growth processes. Atomically-resolved microscopy shows that mono-domain 3D islands are observed at theearly stages of AlSb, AlN and GaP molecular b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e4cdd43b7cf4189cebabc1c9f369feb9
https://hal.science/hal-01910554

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