Mechanical anisotropy and tension-compression asymmetry of Au coated Si nanowafers: An atomistic approach
Combined gold and silicon nanosystem has spurred tremendous interest in the scientific community due to its application in different metal-semiconductor electronic devices and solar driven water splitting cells. Silicon, fabricated on gold layer, is prone to gold atom diffusion at its surface. In th...
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| creator | Nahian, Md. Shahriar Motalab, Mohammad Bose, Pritom Nahid, Shahriar Muhammad |
| description | Combined gold and silicon nanosystem has spurred tremendous interest in the scientific community due to its application in different metal-semiconductor electronic devices and solar driven water splitting cells. Silicon, fabricated on gold layer, is prone to gold atom diffusion at its surface. In this study, detailed analysis of anisotropic mechanical properties of Au coated Si nanowafer is studied by performing molecular dynamics tensile and compressive simulations. The effect of crystallographic orientation of silicon on the mechanical properties of Au coated Si nanowafer is observed for Si crystal oriented along [100], [110] and [111] directions. The crystal orientation of silicon is varied and concurrently the tension-compression asymmetry is investigated. Reverse tension-compression asymmetry is observed in case of loading along [110] crystal orientation. The failure mechanism reveals that crystal transformation of silicon occurs during compression leading to an early yielding of the material. |
| doi_str_mv | 10.1063/5.0038489 |
| format | Conference Proceeding |
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Shahriar ; Motalab, Mohammad ; Bose, Pritom ; Nahid, Shahriar Muhammad</creator><contributor>Ali, Mohammad ; Alam, Muhammad Mahbubul ; Rahman, Muhammad Ashiqur</contributor><creatorcontrib>Nahian, Md. Shahriar ; Motalab, Mohammad ; Bose, Pritom ; Nahid, Shahriar Muhammad ; Ali, Mohammad ; Alam, Muhammad Mahbubul ; Rahman, Muhammad Ashiqur</creatorcontrib><description>Combined gold and silicon nanosystem has spurred tremendous interest in the scientific community due to its application in different metal-semiconductor electronic devices and solar driven water splitting cells. Silicon, fabricated on gold layer, is prone to gold atom diffusion at its surface. In this study, detailed analysis of anisotropic mechanical properties of Au coated Si nanowafer is studied by performing molecular dynamics tensile and compressive simulations. The effect of crystallographic orientation of silicon on the mechanical properties of Au coated Si nanowafer is observed for Si crystal oriented along [100], [110] and [111] directions. The crystal orientation of silicon is varied and concurrently the tension-compression asymmetry is investigated. Reverse tension-compression asymmetry is observed in case of loading along [110] crystal orientation. 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The effect of crystallographic orientation of silicon on the mechanical properties of Au coated Si nanowafer is observed for Si crystal oriented along [100], [110] and [111] directions. The crystal orientation of silicon is varied and concurrently the tension-compression asymmetry is investigated. Reverse tension-compression asymmetry is observed in case of loading along [110] crystal orientation. The failure mechanism reveals that crystal transformation of silicon occurs during compression leading to an early yielding of the material.</description><subject>Anisotropy</subject><subject>Asymmetry</subject><subject>Crystal structure</subject><subject>Crystallography</subject><subject>Diffusion layers</subject><subject>Electronic devices</subject><subject>Failure mechanisms</subject><subject>Gold</subject><subject>Gold coatings</subject><subject>Mechanical properties</subject><subject>Molecular dynamics</subject><subject>Orientation effects</subject><subject>Silicon</subject><subject>Water splitting</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2021</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kE1LAzEYhIMoWKsH_0HAm7A1H7ubxFspfkHFgwrewtskS1O6mzVJlf33brHgzdPM4WGGGYQuKZlRUvObakYIl6VUR2hCq4oWoqb1MZoQosqClfzjFJ2ltCGEKSHkBPlnZ9bQeQNbPEoKOYZ-GK3F2XXJh64woe2jS3uPIQ1t63IccGjwfIdNgOwsfvW4gy58Q-NiusXzEcyh9Sl7g6HvYwCzPkcnDWyTuzjoFL3f370tHovly8PTYr4selbxXBjXNLaqJRcEOGeiJIoqRVeGMmHsCgy3oBihkpe1lbICS50wol5RyWowlE_R1W_uWPu5cynrTdjFbqzUrFScUSoFH6nrXyoZnyGP23QffQtx0JTo_ZW60ocr_4O_QvwDdW8b_gOAUHW8</recordid><startdate>20210225</startdate><enddate>20210225</enddate><creator>Nahian, Md. 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| fulltext | fulltext |
| identifier | ISSN: 0094-243X |
| ispartof | AIP conference proceedings, 2021, Vol.2324 (1) |
| issn | 0094-243X 1551-7616 |
| language | eng |
| recordid | cdi_proquest_journals_2493211873 |
| source | AIP Journals Complete |
| subjects | Anisotropy Asymmetry Crystal structure Crystallography Diffusion layers Electronic devices Failure mechanisms Gold Gold coatings Mechanical properties Molecular dynamics Orientation effects Silicon Water splitting |
| title | Mechanical anisotropy and tension-compression asymmetry of Au coated Si nanowafers: An atomistic approach |
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