Smoothing metallic glasses without introducing crystallization by gas cluster ion beam
We show that 30 keV Ar cluster ion bombardment of Ni52.5Nb10Zr15Ti15Pt7.5 metallic glass (MG) can remove surface mountain-like features and reduce the root mean square surface roughness from 12 nm to 0.7 nm. X-ray diffraction analysis reveals no crystallization after cluster ion irradiation. Molecul...
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| Veröffentlicht in: | Applied physics letters 2013-03, Vol.102 (10) |
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| container_title | Applied physics letters |
| container_volume | 102 |
| creator | Shao, Lin Chen, Di Myers, Michael Wang, Jing Tilakaratne, Buddhi Wijesundera, Dharshana Chu, Wei-Kan Xie, Guoqiang Zare, Arezoo Lucca, Don A. |
| description | We show that 30 keV Ar cluster ion bombardment of Ni52.5Nb10Zr15Ti15Pt7.5 metallic glass (MG) can remove surface mountain-like features and reduce the root mean square surface roughness from 12 nm to 0.7 nm. X-ray diffraction analysis reveals no crystallization after cluster ion irradiation. Molecular dynamics simulations show that, although damage cascades lead to local melting, the subsequent quenching rate is a few orders of magnitude higher than the critical cooling rate for MG formation, thus the melted zone retains its amorphous nature down to room temperature. These findings can be applied to obtain ultra-smooth MGs without introducing crystallization. |
| doi_str_mv | 10.1063/1.4794540 |
| format | Article |
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X-ray diffraction analysis reveals no crystallization after cluster ion irradiation. Molecular dynamics simulations show that, although damage cascades lead to local melting, the subsequent quenching rate is a few orders of magnitude higher than the critical cooling rate for MG formation, thus the melted zone retains its amorphous nature down to room temperature. These findings can be applied to obtain ultra-smooth MGs without introducing crystallization.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4794540</identifier><language>eng</language><publisher>United States</publisher><subject>AMORPHOUS STATE ; ARGON IONS ; CRYSTALLIZATION ; DAMAGE ; ION BEAMS ; IRRADIATION ; KEV RANGE 10-100 ; MATERIALS SCIENCE ; METALLIC GLASSES ; MOLECULAR DYNAMICS METHOD ; NICKEL ALLOYS ; NIOBIUM ALLOYS ; PLATINUM ALLOYS ; ROUGHNESS ; SIMULATION ; TEMPERATURE RANGE 0273-0400 K ; TITANIUM ALLOYS ; X-RAY DIFFRACTION ; ZIRCONIUM ALLOYS</subject><ispartof>Applied physics letters, 2013-03, Vol.102 (10)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c257t-487082a9e0aca82a56389275e45f804744984099542a2cef2d3580b051f1f1a83</citedby><cites>FETCH-LOGICAL-c257t-487082a9e0aca82a56389275e45f804744984099542a2cef2d3580b051f1f1a83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,778,782,883,27911,27912</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22162778$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Shao, Lin</creatorcontrib><creatorcontrib>Chen, Di</creatorcontrib><creatorcontrib>Myers, Michael</creatorcontrib><creatorcontrib>Wang, Jing</creatorcontrib><creatorcontrib>Tilakaratne, Buddhi</creatorcontrib><creatorcontrib>Wijesundera, Dharshana</creatorcontrib><creatorcontrib>Chu, Wei-Kan</creatorcontrib><creatorcontrib>Xie, Guoqiang</creatorcontrib><creatorcontrib>Zare, Arezoo</creatorcontrib><creatorcontrib>Lucca, Don A.</creatorcontrib><title>Smoothing metallic glasses without introducing crystallization by gas cluster ion beam</title><title>Applied physics letters</title><description>We show that 30 keV Ar cluster ion bombardment of Ni52.5Nb10Zr15Ti15Pt7.5 metallic glass (MG) can remove surface mountain-like features and reduce the root mean square surface roughness from 12 nm to 0.7 nm. X-ray diffraction analysis reveals no crystallization after cluster ion irradiation. Molecular dynamics simulations show that, although damage cascades lead to local melting, the subsequent quenching rate is a few orders of magnitude higher than the critical cooling rate for MG formation, thus the melted zone retains its amorphous nature down to room temperature. These findings can be applied to obtain ultra-smooth MGs without introducing crystallization.</description><subject>AMORPHOUS STATE</subject><subject>ARGON IONS</subject><subject>CRYSTALLIZATION</subject><subject>DAMAGE</subject><subject>ION BEAMS</subject><subject>IRRADIATION</subject><subject>KEV RANGE 10-100</subject><subject>MATERIALS SCIENCE</subject><subject>METALLIC GLASSES</subject><subject>MOLECULAR DYNAMICS METHOD</subject><subject>NICKEL ALLOYS</subject><subject>NIOBIUM ALLOYS</subject><subject>PLATINUM ALLOYS</subject><subject>ROUGHNESS</subject><subject>SIMULATION</subject><subject>TEMPERATURE RANGE 0273-0400 K</subject><subject>TITANIUM ALLOYS</subject><subject>X-RAY DIFFRACTION</subject><subject>ZIRCONIUM ALLOYS</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNotkE1LAzEQhoMoWKsH_0HAk4etk69NcpSiVSh48OMa0jTbjexuJEmR-uvttmUOM-_LwxwehG4JzAjU7IHMuNRccDhDEwJSVowQdY4mAMCqWgtyia5y_t5HQRmboK_3PsbShmGDe19s1wWHN53N2Wf8G0obtwWHoaS43roRcmmXD9ifLSEOeLXDG5ux67a5-IQPlbf9NbpobJf9zWlP0efz08f8pVq-LV7nj8vKUSFLxZUERa32YJ3dH6JmSlMpPBeNAi4514qD1oJTS51v6JoJBSsQpNmPVWyK7o5_Yy7BZBeKd62Lw-BdMZSSmko5UvdHyqWYc_KN-Umht2lnCJhRmyHmpI39A9_sXt8</recordid><startdate>20130311</startdate><enddate>20130311</enddate><creator>Shao, Lin</creator><creator>Chen, Di</creator><creator>Myers, Michael</creator><creator>Wang, Jing</creator><creator>Tilakaratne, Buddhi</creator><creator>Wijesundera, Dharshana</creator><creator>Chu, Wei-Kan</creator><creator>Xie, Guoqiang</creator><creator>Zare, Arezoo</creator><creator>Lucca, Don A.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20130311</creationdate><title>Smoothing metallic glasses without introducing crystallization by gas cluster ion beam</title><author>Shao, Lin ; Chen, Di ; Myers, Michael ; Wang, Jing ; Tilakaratne, Buddhi ; Wijesundera, Dharshana ; Chu, Wei-Kan ; Xie, Guoqiang ; Zare, Arezoo ; Lucca, Don A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c257t-487082a9e0aca82a56389275e45f804744984099542a2cef2d3580b051f1f1a83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>AMORPHOUS STATE</topic><topic>ARGON IONS</topic><topic>CRYSTALLIZATION</topic><topic>DAMAGE</topic><topic>ION BEAMS</topic><topic>IRRADIATION</topic><topic>KEV RANGE 10-100</topic><topic>MATERIALS SCIENCE</topic><topic>METALLIC GLASSES</topic><topic>MOLECULAR DYNAMICS METHOD</topic><topic>NICKEL ALLOYS</topic><topic>NIOBIUM ALLOYS</topic><topic>PLATINUM ALLOYS</topic><topic>ROUGHNESS</topic><topic>SIMULATION</topic><topic>TEMPERATURE RANGE 0273-0400 K</topic><topic>TITANIUM ALLOYS</topic><topic>X-RAY DIFFRACTION</topic><topic>ZIRCONIUM ALLOYS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shao, Lin</creatorcontrib><creatorcontrib>Chen, Di</creatorcontrib><creatorcontrib>Myers, Michael</creatorcontrib><creatorcontrib>Wang, Jing</creatorcontrib><creatorcontrib>Tilakaratne, Buddhi</creatorcontrib><creatorcontrib>Wijesundera, Dharshana</creatorcontrib><creatorcontrib>Chu, Wei-Kan</creatorcontrib><creatorcontrib>Xie, Guoqiang</creatorcontrib><creatorcontrib>Zare, Arezoo</creatorcontrib><creatorcontrib>Lucca, Don A.</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shao, Lin</au><au>Chen, Di</au><au>Myers, Michael</au><au>Wang, Jing</au><au>Tilakaratne, Buddhi</au><au>Wijesundera, Dharshana</au><au>Chu, Wei-Kan</au><au>Xie, Guoqiang</au><au>Zare, Arezoo</au><au>Lucca, Don A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Smoothing metallic glasses without introducing crystallization by gas cluster ion beam</atitle><jtitle>Applied physics letters</jtitle><date>2013-03-11</date><risdate>2013</risdate><volume>102</volume><issue>10</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>We show that 30 keV Ar cluster ion bombardment of Ni52.5Nb10Zr15Ti15Pt7.5 metallic glass (MG) can remove surface mountain-like features and reduce the root mean square surface roughness from 12 nm to 0.7 nm. X-ray diffraction analysis reveals no crystallization after cluster ion irradiation. Molecular dynamics simulations show that, although damage cascades lead to local melting, the subsequent quenching rate is a few orders of magnitude higher than the critical cooling rate for MG formation, thus the melted zone retains its amorphous nature down to room temperature. These findings can be applied to obtain ultra-smooth MGs without introducing crystallization.</abstract><cop>United States</cop><doi>10.1063/1.4794540</doi></addata></record> |
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| ispartof | Applied physics letters, 2013-03, Vol.102 (10) |
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| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | AMORPHOUS STATE ARGON IONS CRYSTALLIZATION DAMAGE ION BEAMS IRRADIATION KEV RANGE 10-100 MATERIALS SCIENCE METALLIC GLASSES MOLECULAR DYNAMICS METHOD NICKEL ALLOYS NIOBIUM ALLOYS PLATINUM ALLOYS ROUGHNESS SIMULATION TEMPERATURE RANGE 0273-0400 K TITANIUM ALLOYS X-RAY DIFFRACTION ZIRCONIUM ALLOYS |
| title | Smoothing metallic glasses without introducing crystallization by gas cluster ion beam |
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