A LEED comparison of structural stabilities of the three high-symmetry surfaces of Al–Pd–Mn bulk quasicrystals
It is shown that low-energy electron diffraction (LEED) patterns of the three high-symmetry surfaces (fivefold, threefold and twofold) of icosahedral Al–Pd–Mn are all compatible with quasicrystallinity, under specific conditions of preparation. This conclusion results from comparing symmetries of ex...
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| Veröffentlicht in: | Surface science 2000-04, Vol.450 (1), p.1-11 |
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| creator | Shen, Z. Raberg, W. Heinzig, M. Jenks, C.J. Fournée, V. Van Hove, M.A. Lograsso, T.A. Delaney, D. Cai, T. Canfield, P.C. Fisher, I.R. Goldman, A.I. Kramer, M.J. Thiel, P.A. |
| description | It is shown that low-energy electron diffraction (LEED) patterns of the three high-symmetry surfaces (fivefold, threefold and twofold) of icosahedral Al–Pd–Mn are all compatible with quasicrystallinity, under specific conditions of preparation. This conclusion results from comparing symmetries of experimental surface LEED patterns with bulk X-ray diffraction data which are converted to the conditions of the LEED experiment. This conclusion is also based upon an analysis of relative diffraction spot spacings in LEED. Hence, none of the three surfaces exhibits a massive lateral reconstruction, i.e. massive deviation from quasicrystallinity. The LEED pattern of the fivefold surface is distinct from the LEED pattern of the pseudo-tenfold surface of an orthorhombic approximant. We believe that this rules out the possibility that the fivefold surface of the icosahedral quasicrystal reconstructs to an approximant with tenfold or pseudo-10-fold symmetry. The twofold and threefold surfaces facet more readily, indicating qualitatively that they are less stable than the fivefold surface. |
| doi_str_mv | 10.1016/S0039-6028(99)01183-8 |
| format | Article |
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This conclusion results from comparing symmetries of experimental surface LEED patterns with bulk X-ray diffraction data which are converted to the conditions of the LEED experiment. This conclusion is also based upon an analysis of relative diffraction spot spacings in LEED. Hence, none of the three surfaces exhibits a massive lateral reconstruction, i.e. massive deviation from quasicrystallinity. The LEED pattern of the fivefold surface is distinct from the LEED pattern of the pseudo-tenfold surface of an orthorhombic approximant. We believe that this rules out the possibility that the fivefold surface of the icosahedral quasicrystal reconstructs to an approximant with tenfold or pseudo-10-fold symmetry. The twofold and threefold surfaces facet more readily, indicating qualitatively that they are less stable than the fivefold surface.</description><identifier>ISSN: 0039-6028</identifier><identifier>EISSN: 1879-2758</identifier><identifier>DOI: 10.1016/S0039-6028(99)01183-8</identifier><identifier>CODEN: SUSCAS</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Alloys ; Aluminum ; Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Low energy electron diffraction (LEED) ; Metallic surfaces ; Metals. Metallurgy ; Physics ; Quasicrystals ; Semi-periodic solids ; Solid surfaces and solid-solid interfaces ; Structure of solids and liquids; crystallography ; Surface structure and topography ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><ispartof>Surface science, 2000-04, Vol.450 (1), p.1-11</ispartof><rights>2000 Elsevier Science B.V.</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c464t-85b45680b859c402a709ecb2164caafa40ccb56c7d9bc35628ebbe8d0da326e93</citedby><cites>FETCH-LOGICAL-c464t-85b45680b859c402a709ecb2164caafa40ccb56c7d9bc35628ebbe8d0da326e93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0039-6028(99)01183-8$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1304474$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Shen, Z.</creatorcontrib><creatorcontrib>Raberg, W.</creatorcontrib><creatorcontrib>Heinzig, M.</creatorcontrib><creatorcontrib>Jenks, C.J.</creatorcontrib><creatorcontrib>Fournée, V.</creatorcontrib><creatorcontrib>Van Hove, M.A.</creatorcontrib><creatorcontrib>Lograsso, T.A.</creatorcontrib><creatorcontrib>Delaney, D.</creatorcontrib><creatorcontrib>Cai, T.</creatorcontrib><creatorcontrib>Canfield, P.C.</creatorcontrib><creatorcontrib>Fisher, I.R.</creatorcontrib><creatorcontrib>Goldman, A.I.</creatorcontrib><creatorcontrib>Kramer, M.J.</creatorcontrib><creatorcontrib>Thiel, P.A.</creatorcontrib><title>A LEED comparison of structural stabilities of the three high-symmetry surfaces of Al–Pd–Mn bulk quasicrystals</title><title>Surface science</title><description>It is shown that low-energy electron diffraction (LEED) patterns of the three high-symmetry surfaces (fivefold, threefold and twofold) of icosahedral Al–Pd–Mn are all compatible with quasicrystallinity, under specific conditions of preparation. This conclusion results from comparing symmetries of experimental surface LEED patterns with bulk X-ray diffraction data which are converted to the conditions of the LEED experiment. This conclusion is also based upon an analysis of relative diffraction spot spacings in LEED. Hence, none of the three surfaces exhibits a massive lateral reconstruction, i.e. massive deviation from quasicrystallinity. The LEED pattern of the fivefold surface is distinct from the LEED pattern of the pseudo-tenfold surface of an orthorhombic approximant. We believe that this rules out the possibility that the fivefold surface of the icosahedral quasicrystal reconstructs to an approximant with tenfold or pseudo-10-fold symmetry. The twofold and threefold surfaces facet more readily, indicating qualitatively that they are less stable than the fivefold surface.</description><subject>Alloys</subject><subject>Aluminum</subject><subject>Applied sciences</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Low energy electron diffraction (LEED)</subject><subject>Metallic surfaces</subject><subject>Metals. Metallurgy</subject><subject>Physics</subject><subject>Quasicrystals</subject><subject>Semi-periodic solids</subject><subject>Solid surfaces and solid-solid interfaces</subject><subject>Structure of solids and liquids; crystallography</subject><subject>Surface structure and topography</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><issn>0039-6028</issn><issn>1879-2758</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqNkc9u1DAQxi1EJZaWR0DKAVVwCHUS27FPaFWWFmmrIgFny55MWNP82XoSpL3xDrxhnwRvtypHamk8I81vZqTvY-x1wd8XvFBnXzmvTK54qd8a844Xha5y_YwtCl2bvKylfs4Wj8gL9pLoJ09PGLlgcZmtV6uPGYz91sVA45CNbUZTnGGao-tS6XzowhSQ9p1pgykiYrYJPzY57foep7jLaI6tgwOz7O5-__nSpO9qyPzc3WS3s6MAcZeWdXTCjtqU8NVDPmbfP62-nV_m6-uLz-fLdQ5CiSnX0gupNPdaGhC8dDU3CL4slADnWic4gJcK6sZ4qKQqNXqPuuGNq0qFpjpmp4e92zjezkiT7QMBdp0bcJzJJmWU1DV_IliVCZQHEOJIFLG12xh6F3e24HZvhb23wu51tsbYeyusTnNvHg44Ate10Q0Q6N9wxYWoRcI-HDBMqvwKGC1BwAGwCRFhss0Y_nPoL0xhoK8</recordid><startdate>20000401</startdate><enddate>20000401</enddate><creator>Shen, Z.</creator><creator>Raberg, W.</creator><creator>Heinzig, M.</creator><creator>Jenks, C.J.</creator><creator>Fournée, V.</creator><creator>Van Hove, M.A.</creator><creator>Lograsso, T.A.</creator><creator>Delaney, D.</creator><creator>Cai, T.</creator><creator>Canfield, P.C.</creator><creator>Fisher, I.R.</creator><creator>Goldman, A.I.</creator><creator>Kramer, M.J.</creator><creator>Thiel, P.A.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>8FD</scope><scope>JG9</scope><scope>8BQ</scope></search><sort><creationdate>20000401</creationdate><title>A LEED comparison of structural stabilities of the three high-symmetry surfaces of Al–Pd–Mn bulk quasicrystals</title><author>Shen, Z. ; Raberg, W. ; Heinzig, M. ; Jenks, C.J. ; Fournée, V. ; Van Hove, M.A. ; Lograsso, T.A. ; Delaney, D. ; Cai, T. ; Canfield, P.C. ; Fisher, I.R. ; Goldman, A.I. ; Kramer, M.J. ; Thiel, P.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c464t-85b45680b859c402a709ecb2164caafa40ccb56c7d9bc35628ebbe8d0da326e93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Alloys</topic><topic>Aluminum</topic><topic>Applied sciences</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Low energy electron diffraction (LEED)</topic><topic>Metallic surfaces</topic><topic>Metals. Metallurgy</topic><topic>Physics</topic><topic>Quasicrystals</topic><topic>Semi-periodic solids</topic><topic>Solid surfaces and solid-solid interfaces</topic><topic>Structure of solids and liquids; crystallography</topic><topic>Surface structure and topography</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shen, Z.</creatorcontrib><creatorcontrib>Raberg, W.</creatorcontrib><creatorcontrib>Heinzig, M.</creatorcontrib><creatorcontrib>Jenks, C.J.</creatorcontrib><creatorcontrib>Fournée, V.</creatorcontrib><creatorcontrib>Van Hove, M.A.</creatorcontrib><creatorcontrib>Lograsso, T.A.</creatorcontrib><creatorcontrib>Delaney, D.</creatorcontrib><creatorcontrib>Cai, T.</creatorcontrib><creatorcontrib>Canfield, P.C.</creatorcontrib><creatorcontrib>Fisher, I.R.</creatorcontrib><creatorcontrib>Goldman, A.I.</creatorcontrib><creatorcontrib>Kramer, M.J.</creatorcontrib><creatorcontrib>Thiel, P.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>METADEX</collection><jtitle>Surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shen, Z.</au><au>Raberg, W.</au><au>Heinzig, M.</au><au>Jenks, C.J.</au><au>Fournée, V.</au><au>Van Hove, M.A.</au><au>Lograsso, T.A.</au><au>Delaney, D.</au><au>Cai, T.</au><au>Canfield, P.C.</au><au>Fisher, I.R.</au><au>Goldman, A.I.</au><au>Kramer, M.J.</au><au>Thiel, P.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A LEED comparison of structural stabilities of the three high-symmetry surfaces of Al–Pd–Mn bulk quasicrystals</atitle><jtitle>Surface science</jtitle><date>2000-04-01</date><risdate>2000</risdate><volume>450</volume><issue>1</issue><spage>1</spage><epage>11</epage><pages>1-11</pages><issn>0039-6028</issn><eissn>1879-2758</eissn><coden>SUSCAS</coden><abstract>It is shown that low-energy electron diffraction (LEED) patterns of the three high-symmetry surfaces (fivefold, threefold and twofold) of icosahedral Al–Pd–Mn are all compatible with quasicrystallinity, under specific conditions of preparation. This conclusion results from comparing symmetries of experimental surface LEED patterns with bulk X-ray diffraction data which are converted to the conditions of the LEED experiment. This conclusion is also based upon an analysis of relative diffraction spot spacings in LEED. Hence, none of the three surfaces exhibits a massive lateral reconstruction, i.e. massive deviation from quasicrystallinity. The LEED pattern of the fivefold surface is distinct from the LEED pattern of the pseudo-tenfold surface of an orthorhombic approximant. We believe that this rules out the possibility that the fivefold surface of the icosahedral quasicrystal reconstructs to an approximant with tenfold or pseudo-10-fold symmetry. The twofold and threefold surfaces facet more readily, indicating qualitatively that they are less stable than the fivefold surface.</abstract><cop>Lausanne</cop><cop>Amsterdam</cop><cop>New York, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/S0039-6028(99)01183-8</doi><tpages>11</tpages></addata></record> |
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| subjects | Alloys Aluminum Applied sciences Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Low energy electron diffraction (LEED) Metallic surfaces Metals. Metallurgy Physics Quasicrystals Semi-periodic solids Solid surfaces and solid-solid interfaces Structure of solids and liquids crystallography Surface structure and topography Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) |
| title | A LEED comparison of structural stabilities of the three high-symmetry surfaces of Al–Pd–Mn bulk quasicrystals |
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