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Boron carbide thin films deposited by RF-PECVD and PLD technique: A comparative study based on structure, optical properties, and residual stress
Radio-Frequency Plasma Enhanced Chemical Vapour Deposition (RF-PECVD), and Pulsed Laser Deposition (PLD) techniques were used to deposit boron carbide (BxC) thin films. Films were investigated to compare crystallinity, chemical composition, optical properties, and residual stress. X-ray diffraction...
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Published in: | Materials chemistry and physics 2021-01, Vol.258, p.123860, Article 123860 |
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description | Radio-Frequency Plasma Enhanced Chemical Vapour Deposition (RF-PECVD), and Pulsed Laser Deposition (PLD) techniques were used to deposit boron carbide (BxC) thin films. Films were investigated to compare crystallinity, chemical composition, optical properties, and residual stress. X-ray diffraction analysis revealed that the film deposited by PLD was amorphous, while PECVD technique yielded crystalline BxC film. PLD technique provided films with better stoichiometric purity with B4C being the most dominant phase, as observed in XPS spectra. However, super-stoichiometric phase (BxC (x > 4)) was dominant in PECVD film. Moreover, the PECVD film had greater adhesion (Lc3 ~29.5 N), hardness (~2798 HK), and lubricity (COF~ 0.03) compared to PLD deposited film. Optically, PECVD deposited film have higher value of refractive indices (1.82 at 600 nm) and lower extinction coefficient. Finally, residual stress measured via substrate curvature method revealed that for PLD 400 C film, the stress was compressive in nature while the same for PECVD -100 V film was tensile, with 10 times less in magnitude. Ultimately, this study provides the user with opportunity to weigh the advantages and disadvantages of PECVD and PLD techniques for deposition of functional BxC films.
[Display omitted]
•Comparative study of BxC thin films deposited by PECVD and PLD techniques.•PECVD yielded crystalline, super-hard BxC films, at a high deposition rate.•PLD was found to be useful for near-stoichiometric BxC thin film deposition.•PECVD films have higher refractive index and low absorption in comparison.•Residual stress found to be dependent on deposition rate and energy of adatoms. |
doi_str_mv | 10.1016/j.matchemphys.2020.123860 |
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[Display omitted]
•Comparative study of BxC thin films deposited by PECVD and PLD techniques.•PECVD yielded crystalline, super-hard BxC films, at a high deposition rate.•PLD was found to be useful for near-stoichiometric BxC thin film deposition.•PECVD films have higher refractive index and low absorption in comparison.•Residual stress found to be dependent on deposition rate and energy of adatoms.</description><identifier>ISSN: 0254-0584</identifier><identifier>EISSN: 1879-3312</identifier><identifier>DOI: 10.1016/j.matchemphys.2020.123860</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Boron carbide ; Chemical composition ; Comparative studies ; Compressive properties ; Crystal structure ; Crystallinity ; Lubricity ; Optical properties ; PECVD ; Plasma enhanced chemical vapor deposition ; PLD ; Pulsed laser deposition ; Pulsed lasers ; Radio frequency plasma ; Refractivity ; Residual stress ; Residual stress calculation ; Substrates ; Thin films ; X ray photoelectron spectroscopy ; XPS</subject><ispartof>Materials chemistry and physics, 2021-01, Vol.258, p.123860, Article 123860</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 15, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-d44ff6cbc04e59d456686ae43cfead3ed1f8a4abc783a5053897150c2a4653c63</citedby><cites>FETCH-LOGICAL-c415t-d44ff6cbc04e59d456686ae43cfead3ed1f8a4abc783a5053897150c2a4653c63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Bute, A.</creatorcontrib><creatorcontrib>Jena, S.</creatorcontrib><creatorcontrib>Kedia, S.</creatorcontrib><creatorcontrib>Udupa, D.V.</creatorcontrib><creatorcontrib>Singh, K.</creatorcontrib><creatorcontrib>Bhattacharya, D.</creatorcontrib><creatorcontrib>Modi, M.H.</creatorcontrib><creatorcontrib>Chand, N.</creatorcontrib><creatorcontrib>Sinha, S.</creatorcontrib><title>Boron carbide thin films deposited by RF-PECVD and PLD technique: A comparative study based on structure, optical properties, and residual stress</title><title>Materials chemistry and physics</title><description>Radio-Frequency Plasma Enhanced Chemical Vapour Deposition (RF-PECVD), and Pulsed Laser Deposition (PLD) techniques were used to deposit boron carbide (BxC) thin films. Films were investigated to compare crystallinity, chemical composition, optical properties, and residual stress. X-ray diffraction analysis revealed that the film deposited by PLD was amorphous, while PECVD technique yielded crystalline BxC film. PLD technique provided films with better stoichiometric purity with B4C being the most dominant phase, as observed in XPS spectra. However, super-stoichiometric phase (BxC (x > 4)) was dominant in PECVD film. Moreover, the PECVD film had greater adhesion (Lc3 ~29.5 N), hardness (~2798 HK), and lubricity (COF~ 0.03) compared to PLD deposited film. Optically, PECVD deposited film have higher value of refractive indices (1.82 at 600 nm) and lower extinction coefficient. Finally, residual stress measured via substrate curvature method revealed that for PLD 400 C film, the stress was compressive in nature while the same for PECVD -100 V film was tensile, with 10 times less in magnitude. Ultimately, this study provides the user with opportunity to weigh the advantages and disadvantages of PECVD and PLD techniques for deposition of functional BxC films.
[Display omitted]
•Comparative study of BxC thin films deposited by PECVD and PLD techniques.•PECVD yielded crystalline, super-hard BxC films, at a high deposition rate.•PLD was found to be useful for near-stoichiometric BxC thin film deposition.•PECVD films have higher refractive index and low absorption in comparison.•Residual stress found to be dependent on deposition rate and energy of adatoms.</description><subject>Boron carbide</subject><subject>Chemical composition</subject><subject>Comparative studies</subject><subject>Compressive properties</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Lubricity</subject><subject>Optical properties</subject><subject>PECVD</subject><subject>Plasma enhanced chemical vapor deposition</subject><subject>PLD</subject><subject>Pulsed laser deposition</subject><subject>Pulsed lasers</subject><subject>Radio frequency plasma</subject><subject>Refractivity</subject><subject>Residual stress</subject><subject>Residual stress calculation</subject><subject>Substrates</subject><subject>Thin films</subject><subject>X ray photoelectron spectroscopy</subject><subject>XPS</subject><issn>0254-0584</issn><issn>1879-3312</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNkc9O3DAQxi1UpG6BdzDqlWzt-E-c3mCBUmmlIgS9Wo490Xq1iYPtIO1j8MY1XQ4cOY00832_mdGH0DklS0qo_LFdDibbDQzTZp-WNalLv2ZKkiO0oKppK8Zo_QUtSC14RYTiX9G3lLaE0IZStkCvVyGGEVsTO-8A540fce93Q8IOppB8Boe7PX64re5vVn-vsRkdvl9f4wx2M_rnGX7iS2zDMJlosn8BnPLs9rgzqRgLOOU42zxHuMBhyt6aHZ5imCBmD-niPy5C8m4ug6KFlE7RcW92Cc7e6wl6ur15XN1V6z-_fq8u15XlVOTKcd730naWcBCt40JKJQ1wZnswjoGjvTLcdLZRzAgimGobKoitDZeCWclO0PcDt9xT_khZb8Mcx7JS11w1VDatokXVHlQ2hpQi9HqKfjBxrynRbwnorf6QgH5LQB8SKN7VwQvljRcPUSfrYbTgfASbtQv-E5R_ltCXHQ</recordid><startdate>20210115</startdate><enddate>20210115</enddate><creator>Bute, A.</creator><creator>Jena, S.</creator><creator>Kedia, S.</creator><creator>Udupa, D.V.</creator><creator>Singh, K.</creator><creator>Bhattacharya, D.</creator><creator>Modi, M.H.</creator><creator>Chand, N.</creator><creator>Sinha, S.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20210115</creationdate><title>Boron carbide thin films deposited by RF-PECVD and PLD technique: A comparative study based on structure, optical properties, and residual stress</title><author>Bute, A. ; Jena, S. ; Kedia, S. ; Udupa, D.V. ; Singh, K. ; Bhattacharya, D. ; Modi, M.H. ; Chand, N. ; Sinha, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-d44ff6cbc04e59d456686ae43cfead3ed1f8a4abc783a5053897150c2a4653c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Boron carbide</topic><topic>Chemical composition</topic><topic>Comparative studies</topic><topic>Compressive properties</topic><topic>Crystal structure</topic><topic>Crystallinity</topic><topic>Lubricity</topic><topic>Optical properties</topic><topic>PECVD</topic><topic>Plasma enhanced chemical vapor deposition</topic><topic>PLD</topic><topic>Pulsed laser deposition</topic><topic>Pulsed lasers</topic><topic>Radio frequency plasma</topic><topic>Refractivity</topic><topic>Residual stress</topic><topic>Residual stress calculation</topic><topic>Substrates</topic><topic>Thin films</topic><topic>X ray photoelectron spectroscopy</topic><topic>XPS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bute, A.</creatorcontrib><creatorcontrib>Jena, S.</creatorcontrib><creatorcontrib>Kedia, S.</creatorcontrib><creatorcontrib>Udupa, D.V.</creatorcontrib><creatorcontrib>Singh, K.</creatorcontrib><creatorcontrib>Bhattacharya, D.</creatorcontrib><creatorcontrib>Modi, M.H.</creatorcontrib><creatorcontrib>Chand, N.</creatorcontrib><creatorcontrib>Sinha, S.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Materials chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bute, A.</au><au>Jena, S.</au><au>Kedia, S.</au><au>Udupa, D.V.</au><au>Singh, K.</au><au>Bhattacharya, D.</au><au>Modi, M.H.</au><au>Chand, N.</au><au>Sinha, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Boron carbide thin films deposited by RF-PECVD and PLD technique: A comparative study based on structure, optical properties, and residual stress</atitle><jtitle>Materials chemistry and physics</jtitle><date>2021-01-15</date><risdate>2021</risdate><volume>258</volume><spage>123860</spage><pages>123860-</pages><artnum>123860</artnum><issn>0254-0584</issn><eissn>1879-3312</eissn><abstract>Radio-Frequency Plasma Enhanced Chemical Vapour Deposition (RF-PECVD), and Pulsed Laser Deposition (PLD) techniques were used to deposit boron carbide (BxC) thin films. Films were investigated to compare crystallinity, chemical composition, optical properties, and residual stress. X-ray diffraction analysis revealed that the film deposited by PLD was amorphous, while PECVD technique yielded crystalline BxC film. PLD technique provided films with better stoichiometric purity with B4C being the most dominant phase, as observed in XPS spectra. However, super-stoichiometric phase (BxC (x > 4)) was dominant in PECVD film. Moreover, the PECVD film had greater adhesion (Lc3 ~29.5 N), hardness (~2798 HK), and lubricity (COF~ 0.03) compared to PLD deposited film. Optically, PECVD deposited film have higher value of refractive indices (1.82 at 600 nm) and lower extinction coefficient. Finally, residual stress measured via substrate curvature method revealed that for PLD 400 C film, the stress was compressive in nature while the same for PECVD -100 V film was tensile, with 10 times less in magnitude. Ultimately, this study provides the user with opportunity to weigh the advantages and disadvantages of PECVD and PLD techniques for deposition of functional BxC films.
[Display omitted]
•Comparative study of BxC thin films deposited by PECVD and PLD techniques.•PECVD yielded crystalline, super-hard BxC films, at a high deposition rate.•PLD was found to be useful for near-stoichiometric BxC thin film deposition.•PECVD films have higher refractive index and low absorption in comparison.•Residual stress found to be dependent on deposition rate and energy of adatoms.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matchemphys.2020.123860</doi></addata></record> |
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subjects | Boron carbide Chemical composition Comparative studies Compressive properties Crystal structure Crystallinity Lubricity Optical properties PECVD Plasma enhanced chemical vapor deposition PLD Pulsed laser deposition Pulsed lasers Radio frequency plasma Refractivity Residual stress Residual stress calculation Substrates Thin films X ray photoelectron spectroscopy XPS |
title | Boron carbide thin films deposited by RF-PECVD and PLD technique: A comparative study based on structure, optical properties, and residual stress |
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