Structural and magnetic properties of ultra-thin Fe films on metal-organic chemical vapour deposited GaN(0001)
Structural and magnetic properties of 1–10 nm thick Fe films deposited on GaN(0001) were investigated. In-situ reflecting high energy electron diffraction images indicated a α-Fe(110)/GaN(0001) growth of the 3D Volmer-Weber type. The α-Fe(110) X-ray diffraction peak showed a 1° full-width at half-ma...
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| Veröffentlicht in: | Journal of applied physics 2017-01, Vol.121 (4) |
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| container_title | Journal of applied physics |
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| creator | Kim, Jun-Young Ionescu, Adrian Mansell, Rhodri Farrer, Ian Oehler, Fabrice Kinane, Christy J. Cooper, Joshaniel F. K. Steinke, Nina-Juliane Langridge, Sean Stankiewicz, Romuald Humphreys, Colin J. Cowburn, Russell P. Holmes, Stuart N. Barnes, Crispin H. W. |
| description | Structural and magnetic properties of 1–10 nm thick Fe films deposited on GaN(0001)
were investigated. In-situ reflecting high energy electron diffraction
images indicated a α-Fe(110)/GaN(0001) growth of the 3D Volmer-Weber type. The α-Fe(110)
X-ray
diffraction peak showed a 1° full-width at half-maximum, indicating
≈20 nm grain sizes. A significant reduction in Fe atomic moment from its bulk value was
observed for films
thinner than 4 nm. Both GaN/Fe interface roughness and Fe film
coercivity
increased with Fe thickness, indicating a possible deterioration of Fe crystalline
quality. Magnetic
anisotropy was mainly uniaxial for all films while hexagonal
anisotropies
appeared for thicknesses higher than 3.7 nm. |
| doi_str_mv | 10.1063/1.4973956 |
| format | Article |
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were investigated. In-situ reflecting high energy electron diffraction
images indicated a α-Fe(110)/GaN(0001) growth of the 3D Volmer-Weber type. The α-Fe(110)
X-ray
diffraction peak showed a 1° full-width at half-maximum, indicating
≈20 nm grain sizes. A significant reduction in Fe atomic moment from its bulk value was
observed for films
thinner than 4 nm. Both GaN/Fe interface roughness and Fe film
coercivity
increased with Fe thickness, indicating a possible deterioration of Fe crystalline
quality. Magnetic
anisotropy was mainly uniaxial for all films while hexagonal
anisotropies
appeared for thicknesses higher than 3.7 nm.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4973956</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><ispartof>Journal of applied physics, 2017-01, Vol.121 (4)</ispartof><rights>Author(s)</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-5691470e4ff5aef85cfeba3aeef221d9556da7903c3856b143f49402ccaed04b3</citedby><cites>FETCH-LOGICAL-c334t-5691470e4ff5aef85cfeba3aeef221d9556da7903c3856b143f49402ccaed04b3</cites><orcidid>0000-0001-5053-3380 ; 0000-0003-1020-160X ; 0000-0002-1639-3270 ; 0000-0003-4834-5596 ; 0000-0002-6026-0731</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/1.4973956$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,776,780,790,4498,27901,27902,76127</link.rule.ids></links><search><creatorcontrib>Kim, Jun-Young</creatorcontrib><creatorcontrib>Ionescu, Adrian</creatorcontrib><creatorcontrib>Mansell, Rhodri</creatorcontrib><creatorcontrib>Farrer, Ian</creatorcontrib><creatorcontrib>Oehler, Fabrice</creatorcontrib><creatorcontrib>Kinane, Christy J.</creatorcontrib><creatorcontrib>Cooper, Joshaniel F. K.</creatorcontrib><creatorcontrib>Steinke, Nina-Juliane</creatorcontrib><creatorcontrib>Langridge, Sean</creatorcontrib><creatorcontrib>Stankiewicz, Romuald</creatorcontrib><creatorcontrib>Humphreys, Colin J.</creatorcontrib><creatorcontrib>Cowburn, Russell P.</creatorcontrib><creatorcontrib>Holmes, Stuart N.</creatorcontrib><creatorcontrib>Barnes, Crispin H. W.</creatorcontrib><title>Structural and magnetic properties of ultra-thin Fe films on metal-organic chemical vapour deposited GaN(0001)</title><title>Journal of applied physics</title><description>Structural and magnetic properties of 1–10 nm thick Fe films deposited on GaN(0001)
were investigated. In-situ reflecting high energy electron diffraction
images indicated a α-Fe(110)/GaN(0001) growth of the 3D Volmer-Weber type. The α-Fe(110)
X-ray
diffraction peak showed a 1° full-width at half-maximum, indicating
≈20 nm grain sizes. A significant reduction in Fe atomic moment from its bulk value was
observed for films
thinner than 4 nm. Both GaN/Fe interface roughness and Fe film
coercivity
increased with Fe thickness, indicating a possible deterioration of Fe crystalline
quality. Magnetic
anisotropy was mainly uniaxial for all films while hexagonal
anisotropies
appeared for thicknesses higher than 3.7 nm.</description><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqdkMFLwzAYxYMoOKcH_4McndCZLEnbHGW4KQw9qOfyLf2yRdqmJOnA_97KBt49PXj83nvwCLnlbM5ZLh74XOpCaJWfkQlnpc4Kpdg5mTC24FmpC31JrmL8YozzUugJ6d5TGEwaAjQUupq2sOswOUP74HsMyWGk3tKhSQGytHcdXSG1rmlHu6MtJmgyH3bQjRGzx9aZsegAvR8CrbH30SWs6Rpe79i4ObsmFxaaiDcnnZLP1dPH8jnbvK1flo-bzAghU6ZyzWXBUFqrAG2pjMUtCEC0iwWvtVJ5DYVmwohS5VsuhZVasoUxgDWTWzEls2OvCT7GgLbqg2shfFecVb9HVbw6HTWy90c2GpcgOd_9Dz748AdWfW3FD40keBA</recordid><startdate>20170128</startdate><enddate>20170128</enddate><creator>Kim, Jun-Young</creator><creator>Ionescu, Adrian</creator><creator>Mansell, Rhodri</creator><creator>Farrer, Ian</creator><creator>Oehler, Fabrice</creator><creator>Kinane, Christy J.</creator><creator>Cooper, Joshaniel F. K.</creator><creator>Steinke, Nina-Juliane</creator><creator>Langridge, Sean</creator><creator>Stankiewicz, Romuald</creator><creator>Humphreys, Colin J.</creator><creator>Cowburn, Russell P.</creator><creator>Holmes, Stuart N.</creator><creator>Barnes, Crispin H. W.</creator><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-5053-3380</orcidid><orcidid>https://orcid.org/0000-0003-1020-160X</orcidid><orcidid>https://orcid.org/0000-0002-1639-3270</orcidid><orcidid>https://orcid.org/0000-0003-4834-5596</orcidid><orcidid>https://orcid.org/0000-0002-6026-0731</orcidid></search><sort><creationdate>20170128</creationdate><title>Structural and magnetic properties of ultra-thin Fe films on metal-organic chemical vapour deposited GaN(0001)</title><author>Kim, Jun-Young ; Ionescu, Adrian ; Mansell, Rhodri ; Farrer, Ian ; Oehler, Fabrice ; Kinane, Christy J. ; Cooper, Joshaniel F. K. ; Steinke, Nina-Juliane ; Langridge, Sean ; Stankiewicz, Romuald ; Humphreys, Colin J. ; Cowburn, Russell P. ; Holmes, Stuart N. ; Barnes, Crispin H. W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-5691470e4ff5aef85cfeba3aeef221d9556da7903c3856b143f49402ccaed04b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Jun-Young</creatorcontrib><creatorcontrib>Ionescu, Adrian</creatorcontrib><creatorcontrib>Mansell, Rhodri</creatorcontrib><creatorcontrib>Farrer, Ian</creatorcontrib><creatorcontrib>Oehler, Fabrice</creatorcontrib><creatorcontrib>Kinane, Christy J.</creatorcontrib><creatorcontrib>Cooper, Joshaniel F. K.</creatorcontrib><creatorcontrib>Steinke, Nina-Juliane</creatorcontrib><creatorcontrib>Langridge, Sean</creatorcontrib><creatorcontrib>Stankiewicz, Romuald</creatorcontrib><creatorcontrib>Humphreys, Colin J.</creatorcontrib><creatorcontrib>Cowburn, Russell P.</creatorcontrib><creatorcontrib>Holmes, Stuart N.</creatorcontrib><creatorcontrib>Barnes, Crispin H. W.</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Jun-Young</au><au>Ionescu, Adrian</au><au>Mansell, Rhodri</au><au>Farrer, Ian</au><au>Oehler, Fabrice</au><au>Kinane, Christy J.</au><au>Cooper, Joshaniel F. K.</au><au>Steinke, Nina-Juliane</au><au>Langridge, Sean</au><au>Stankiewicz, Romuald</au><au>Humphreys, Colin J.</au><au>Cowburn, Russell P.</au><au>Holmes, Stuart N.</au><au>Barnes, Crispin H. W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural and magnetic properties of ultra-thin Fe films on metal-organic chemical vapour deposited GaN(0001)</atitle><jtitle>Journal of applied physics</jtitle><date>2017-01-28</date><risdate>2017</risdate><volume>121</volume><issue>4</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>Structural and magnetic properties of 1–10 nm thick Fe films deposited on GaN(0001)
were investigated. In-situ reflecting high energy electron diffraction
images indicated a α-Fe(110)/GaN(0001) growth of the 3D Volmer-Weber type. The α-Fe(110)
X-ray
diffraction peak showed a 1° full-width at half-maximum, indicating
≈20 nm grain sizes. A significant reduction in Fe atomic moment from its bulk value was
observed for films
thinner than 4 nm. Both GaN/Fe interface roughness and Fe film
coercivity
increased with Fe thickness, indicating a possible deterioration of Fe crystalline
quality. Magnetic
anisotropy was mainly uniaxial for all films while hexagonal
anisotropies
appeared for thicknesses higher than 3.7 nm.</abstract><doi>10.1063/1.4973956</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-5053-3380</orcidid><orcidid>https://orcid.org/0000-0003-1020-160X</orcidid><orcidid>https://orcid.org/0000-0002-1639-3270</orcidid><orcidid>https://orcid.org/0000-0003-4834-5596</orcidid><orcidid>https://orcid.org/0000-0002-6026-0731</orcidid><oa>free_for_read</oa></addata></record> |
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| title | Structural and magnetic properties of ultra-thin Fe films on metal-organic chemical vapour deposited GaN(0001) |
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