Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K
- Autores
- Xu, G. J.; Khare, S.V.; Nakayama, Koji S.; Aldao, Celso Manuel; Weaver, J. H.
- Año de publicación
- 2003
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The evolution and equilibrium morphology of Si(100) with 0.1 monolayer of adsorbed Cl was studied at 700 K with variable temperature scanning tunneling microscopy. Chlorine caused surface roughening with monolayer pits and regrowth islands. The aspect ratio of these features then increased with their size because of the surface-stress anisotropy. By analyzing the equilibrium feature shape as a function of size, we found that the ratio of step free energies for A- and B-type steps was Fb/Fa = 2.44 for regrowth islands and 3.33 for pits. These ratios are higher than for clean Si(100), Fb/Fa = 2.13, because the steps are destabilized.
Fil: Xu, G. J.. University of Illinois at Urbana; Estados Unidos
Fil: Khare, S.V.. University of Illinois at Urbana; Estados Unidos
Fil: Nakayama, Koji S.. University of Illinois at Urbana; Estados Unidos
Fil: Aldao, Celso Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Fil: Weaver, J. H.. University of Illinois at Urbana; Estados Unidos - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/77068
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Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 KXu, G. J.Khare, S.V.Nakayama, Koji S.Aldao, Celso ManuelWeaver, J. H.https://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The evolution and equilibrium morphology of Si(100) with 0.1 monolayer of adsorbed Cl was studied at 700 K with variable temperature scanning tunneling microscopy. Chlorine caused surface roughening with monolayer pits and regrowth islands. The aspect ratio of these features then increased with their size because of the surface-stress anisotropy. By analyzing the equilibrium feature shape as a function of size, we found that the ratio of step free energies for A- and B-type steps was Fb/Fa = 2.44 for regrowth islands and 3.33 for pits. These ratios are higher than for clean Si(100), Fb/Fa = 2.13, because the steps are destabilized.Fil: Xu, G. J.. University of Illinois at Urbana; Estados UnidosFil: Khare, S.V.. University of Illinois at Urbana; Estados UnidosFil: Nakayama, Koji S.. University of Illinois at Urbana; Estados UnidosFil: Aldao, Celso Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaFil: Weaver, J. H.. University of Illinois at Urbana; Estados UnidosAmerican Physical Society2003-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/77068Xu, G. J.; Khare, S.V.; Nakayama, Koji S.; Aldao, Celso Manuel; Weaver, J. H.; Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 68; 23; 12-2003; 1-5; 2353181098-0121CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.68.235318info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.68.235318info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:59:08Zoai:ri.conicet.gov.ar:11336/77068instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:59:08.894CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K |
title |
Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K |
spellingShingle |
Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K Xu, G. J. |
title_short |
Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K |
title_full |
Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K |
title_fullStr |
Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K |
title_full_unstemmed |
Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K |
title_sort |
Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K |
dc.creator.none.fl_str_mv |
Xu, G. J. Khare, S.V. Nakayama, Koji S. Aldao, Celso Manuel Weaver, J. H. |
author |
Xu, G. J. |
author_facet |
Xu, G. J. Khare, S.V. Nakayama, Koji S. Aldao, Celso Manuel Weaver, J. H. |
author_role |
author |
author2 |
Khare, S.V. Nakayama, Koji S. Aldao, Celso Manuel Weaver, J. H. |
author2_role |
author author author author |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The evolution and equilibrium morphology of Si(100) with 0.1 monolayer of adsorbed Cl was studied at 700 K with variable temperature scanning tunneling microscopy. Chlorine caused surface roughening with monolayer pits and regrowth islands. The aspect ratio of these features then increased with their size because of the surface-stress anisotropy. By analyzing the equilibrium feature shape as a function of size, we found that the ratio of step free energies for A- and B-type steps was Fb/Fa = 2.44 for regrowth islands and 3.33 for pits. These ratios are higher than for clean Si(100), Fb/Fa = 2.13, because the steps are destabilized. Fil: Xu, G. J.. University of Illinois at Urbana; Estados Unidos Fil: Khare, S.V.. University of Illinois at Urbana; Estados Unidos Fil: Nakayama, Koji S.. University of Illinois at Urbana; Estados Unidos Fil: Aldao, Celso Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina Fil: Weaver, J. H.. University of Illinois at Urbana; Estados Unidos |
description |
The evolution and equilibrium morphology of Si(100) with 0.1 monolayer of adsorbed Cl was studied at 700 K with variable temperature scanning tunneling microscopy. Chlorine caused surface roughening with monolayer pits and regrowth islands. The aspect ratio of these features then increased with their size because of the surface-stress anisotropy. By analyzing the equilibrium feature shape as a function of size, we found that the ratio of step free energies for A- and B-type steps was Fb/Fa = 2.44 for regrowth islands and 3.33 for pits. These ratios are higher than for clean Si(100), Fb/Fa = 2.13, because the steps are destabilized. |
publishDate |
2003 |
dc.date.none.fl_str_mv |
2003-12 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/77068 Xu, G. J.; Khare, S.V.; Nakayama, Koji S.; Aldao, Celso Manuel; Weaver, J. H.; Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 68; 23; 12-2003; 1-5; 235318 1098-0121 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/77068 |
identifier_str_mv |
Xu, G. J.; Khare, S.V.; Nakayama, Koji S.; Aldao, Celso Manuel; Weaver, J. H.; Step free energies, surface stress, and adsorbate interactions for Cl-Si(100) at 700 K; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 68; 23; 12-2003; 1-5; 235318 1098-0121 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.68.235318 info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.68.235318 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
American Physical Society |
publisher.none.fl_str_mv |
American Physical Society |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.070432 |