Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters
Autor(a) principal: | |
---|---|
Data de Publicação: | 2008 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/104517 |
Resumo: | In the present work, we have explored the interference effects which arise when H2 + and H3 + cluster ions interact with a thin layer of SiO2 in order to obtain a clear signature of plasmon excitations induced by these energetic projectiles. For this purpose, high-energy-resolution experiments were carried out as a function of the incoming projectile energy, covering an energy range between 40 and 200 keV/amu. The ratio Rn between the energy loss of the cluster and the sum of the energy loss of its constituents has a steep increase between 70 and 100 keV/amu for both cluster ions, which is associated with the plasmon excitation threshold. |
id |
UFRGS-2_b998dacabc0bbf079818445c1b691d8b |
---|---|
oai_identifier_str |
oai:www.lume.ufrgs.br:10183/104517 |
network_acronym_str |
UFRGS-2 |
network_name_str |
Repositório Institucional da UFRGS |
repository_id_str |
|
spelling |
Shubeita, Samir de MoraisSortica, Maurício de AlbuquerqueGrande, Pedro LuisDias, Johnny FerrazArista, Nestor2014-10-14T02:13:02Z20081098-0121http://hdl.handle.net/10183/104517000634703In the present work, we have explored the interference effects which arise when H2 + and H3 + cluster ions interact with a thin layer of SiO2 in order to obtain a clear signature of plasmon excitations induced by these energetic projectiles. For this purpose, high-energy-resolution experiments were carried out as a function of the incoming projectile energy, covering an energy range between 40 and 200 keV/amu. The ratio Rn between the energy loss of the cluster and the sum of the energy loss of its constituents has a steep increase between 70 and 100 keV/amu for both cluster ions, which is associated with the plasmon excitation threshold.application/pdfengPhysical review. B, Condensed matter and materials physics. Woodbury. Vol. 77, no. 11 (Mar. 2008), 115327, 6 p.ImpactoFísica da matéria condensadaRetroespalhamentoHidrogênioAglomerados molecularesSignature of plasmon excitations in the stopping ratio of fast hydrogen clustersEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL000634703.pdf000634703.pdfTexto completo (inglês)application/pdf234103http://www.lume.ufrgs.br/bitstream/10183/104517/1/000634703.pdfb6768a8df11a5c07b7df0c50c6086092MD51TEXT000634703.pdf.txt000634703.pdf.txtExtracted Texttext/plain27788http://www.lume.ufrgs.br/bitstream/10183/104517/2/000634703.pdf.txtdd848ec7925dcc4530ca1a83110a1e0fMD52THUMBNAIL000634703.pdf.jpg000634703.pdf.jpgGenerated Thumbnailimage/jpeg2138http://www.lume.ufrgs.br/bitstream/10183/104517/3/000634703.pdf.jpgc18cb9520d468728dff641860efae582MD5310183/1045172024-05-29 06:42:43.34927oai:www.lume.ufrgs.br:10183/104517Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2024-05-29T09:42:43Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters |
title |
Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters |
spellingShingle |
Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters Shubeita, Samir de Morais Impacto Física da matéria condensada Retroespalhamento Hidrogênio Aglomerados moleculares |
title_short |
Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters |
title_full |
Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters |
title_fullStr |
Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters |
title_full_unstemmed |
Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters |
title_sort |
Signature of plasmon excitations in the stopping ratio of fast hydrogen clusters |
author |
Shubeita, Samir de Morais |
author_facet |
Shubeita, Samir de Morais Sortica, Maurício de Albuquerque Grande, Pedro Luis Dias, Johnny Ferraz Arista, Nestor |
author_role |
author |
author2 |
Sortica, Maurício de Albuquerque Grande, Pedro Luis Dias, Johnny Ferraz Arista, Nestor |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Shubeita, Samir de Morais Sortica, Maurício de Albuquerque Grande, Pedro Luis Dias, Johnny Ferraz Arista, Nestor |
dc.subject.por.fl_str_mv |
Impacto Física da matéria condensada Retroespalhamento Hidrogênio Aglomerados moleculares |
topic |
Impacto Física da matéria condensada Retroespalhamento Hidrogênio Aglomerados moleculares |
description |
In the present work, we have explored the interference effects which arise when H2 + and H3 + cluster ions interact with a thin layer of SiO2 in order to obtain a clear signature of plasmon excitations induced by these energetic projectiles. For this purpose, high-energy-resolution experiments were carried out as a function of the incoming projectile energy, covering an energy range between 40 and 200 keV/amu. The ratio Rn between the energy loss of the cluster and the sum of the energy loss of its constituents has a steep increase between 70 and 100 keV/amu for both cluster ions, which is associated with the plasmon excitation threshold. |
publishDate |
2008 |
dc.date.issued.fl_str_mv |
2008 |
dc.date.accessioned.fl_str_mv |
2014-10-14T02:13:02Z |
dc.type.driver.fl_str_mv |
Estrangeiro info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/104517 |
dc.identifier.issn.pt_BR.fl_str_mv |
1098-0121 |
dc.identifier.nrb.pt_BR.fl_str_mv |
000634703 |
identifier_str_mv |
1098-0121 000634703 |
url |
http://hdl.handle.net/10183/104517 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Physical review. B, Condensed matter and materials physics. Woodbury. Vol. 77, no. 11 (Mar. 2008), 115327, 6 p. |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFRGS instname:Universidade Federal do Rio Grande do Sul (UFRGS) instacron:UFRGS |
instname_str |
Universidade Federal do Rio Grande do Sul (UFRGS) |
instacron_str |
UFRGS |
institution |
UFRGS |
reponame_str |
Repositório Institucional da UFRGS |
collection |
Repositório Institucional da UFRGS |
bitstream.url.fl_str_mv |
http://www.lume.ufrgs.br/bitstream/10183/104517/1/000634703.pdf http://www.lume.ufrgs.br/bitstream/10183/104517/2/000634703.pdf.txt http://www.lume.ufrgs.br/bitstream/10183/104517/3/000634703.pdf.jpg |
bitstream.checksum.fl_str_mv |
b6768a8df11a5c07b7df0c50c6086092 dd848ec7925dcc4530ca1a83110a1e0f c18cb9520d468728dff641860efae582 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 |
repository.name.fl_str_mv |
Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS) |
repository.mail.fl_str_mv |
|
_version_ |
1801224853242511360 |