Atomic size mismatch strain induced surface reconstructions
The effects of lattice mismatch strain and atomic size mismatch strain on surface reconstructions are analyzed using density functional theory. These calculations demonstrate the importance of an explicit treatment of alloying when calculating the energies of alloyed surface reconstructions. Lattice...
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| Veröffentlicht in: | Applied physics letters 2008-02, Vol.92 (6), p.062104-062104-3 |
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| container_end_page | 062104-3 |
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| container_issue | 6 |
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| container_title | Applied physics letters |
| container_volume | 92 |
| creator | Bickel, Jessica E. Modine, Normand A. Van der Ven, Anton Mirecki Millunchick, Joanna |
| description | The effects of lattice mismatch strain and atomic size mismatch strain on surface reconstructions are analyzed using density functional theory. These calculations demonstrate the importance of an explicit treatment of alloying when calculating the energies of alloyed surface reconstructions. Lattice mismatch strain has little impact on surface dimer ordering for the
α
2
(
2
×
4
)
reconstruction of GaAs alloyed with In. However, atomic size mismatch strain induces the surface In atoms to preferentially alternate position, which, in turn, induces an alternating configuration of the surface anion dimers. These results agree well with experimental data for
α
2
(
2
×
4
)
domains in
In
Ga
As
∕
Ga
As
surfaces. |
| doi_str_mv | 10.1063/1.2841846 |
| format | Article |
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α
2
(
2
×
4
)
reconstruction of GaAs alloyed with In. However, atomic size mismatch strain induces the surface In atoms to preferentially alternate position, which, in turn, induces an alternating configuration of the surface anion dimers. These results agree well with experimental data for
α
2
(
2
×
4
)
domains in
In
Ga
As
∕
Ga
As
surfaces.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.2841846</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>American Institute of Physics</publisher><ispartof>Applied physics letters, 2008-02, Vol.92 (6), p.062104-062104-3</ispartof><rights>2008 American Institute of Physics</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c284t-be7ef5632d955f89af67727b54be8813929b0df3ea8a47d929dcc6d5e49b237e3</citedby><cites>FETCH-LOGICAL-c284t-be7ef5632d955f89af67727b54be8813929b0df3ea8a47d929dcc6d5e49b237e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/apl/article-lookup/doi/10.1063/1.2841846$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,776,780,790,1553,4498,27901,27902,76127,76133</link.rule.ids></links><search><creatorcontrib>Bickel, Jessica E.</creatorcontrib><creatorcontrib>Modine, Normand A.</creatorcontrib><creatorcontrib>Van der Ven, Anton</creatorcontrib><creatorcontrib>Mirecki Millunchick, Joanna</creatorcontrib><title>Atomic size mismatch strain induced surface reconstructions</title><title>Applied physics letters</title><description>The effects of lattice mismatch strain and atomic size mismatch strain on surface reconstructions are analyzed using density functional theory. These calculations demonstrate the importance of an explicit treatment of alloying when calculating the energies of alloyed surface reconstructions. Lattice mismatch strain has little impact on surface dimer ordering for the
α
2
(
2
×
4
)
reconstruction of GaAs alloyed with In. However, atomic size mismatch strain induces the surface In atoms to preferentially alternate position, which, in turn, induces an alternating configuration of the surface anion dimers. These results agree well with experimental data for
α
2
(
2
×
4
)
domains in
In
Ga
As
∕
Ga
As
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α
2
(
2
×
4
)
reconstruction of GaAs alloyed with In. However, atomic size mismatch strain induces the surface In atoms to preferentially alternate position, which, in turn, induces an alternating configuration of the surface anion dimers. These results agree well with experimental data for
α
2
(
2
×
4
)
domains in
In
Ga
As
∕
Ga
As
surfaces.</abstract><pub>American Institute of Physics</pub><doi>10.1063/1.2841846</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2008-02, Vol.92 (6), p.062104-062104-3 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_2841846 |
| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| title | Atomic size mismatch strain induced surface reconstructions |
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