Local structural and polar Kerr effect measurements on an ultrathin epitaxial Co wedge grown on Pd(111)
A Pd/Co double layer has been grown epitaxially in ultrahigh vacuum on a Pd(111) single crystal, with the Co in the shape of a wedge of thickness varying from 0 to 10 monolayers (ML). The polar magneto-optical Kerr effect has been used to make a nearly continuous set of measurements of the magnetic...
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| Veröffentlicht in: | Journal of applied physics 1993-02, Vol.73 (3), p.1360-1367 |
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| container_end_page | 1367 |
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| container_issue | 3 |
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| container_title | Journal of applied physics |
| container_volume | 73 |
| creator | PURCELL, S. T JOHNSON, M. T MCGEE, N. W. E DE VRIES, J. J ZEPER, W. B HOVING, W |
| description | A Pd/Co double layer has been grown epitaxially in ultrahigh vacuum on a Pd(111) single crystal, with the Co in the shape of a wedge of thickness varying from 0 to 10 monolayers (ML). The polar magneto-optical Kerr effect has been used to make a nearly continuous set of measurements of the magnetic properties as a function of Co thickness tCo. The coercive fields Hc and nucleation fields Hn show large, well-defined maxima at tCo∼2.3 ML. Between 4 and 9 ML, we find that Hc falls with increasing thickness according to a tCo−5/2 dependence. The Kerr ellipticity and Kerr rotation depend linearly on Co thickness above ∼2 ML Co, but show appreciable offsets when extrapolated to tCo=0. These offsets are clear evidence of the polarization of Pd near the interfaces. Extensive in situ growth studies of the structure of the films are also reported. |
| doi_str_mv | 10.1063/1.354061 |
| format | Article |
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T ; JOHNSON, M. T ; MCGEE, N. W. E ; DE VRIES, J. J ; ZEPER, W. B ; HOVING, W</creator><creatorcontrib>PURCELL, S. T ; JOHNSON, M. T ; MCGEE, N. W. E ; DE VRIES, J. J ; ZEPER, W. B ; HOVING, W</creatorcontrib><description>A Pd/Co double layer has been grown epitaxially in ultrahigh vacuum on a Pd(111) single crystal, with the Co in the shape of a wedge of thickness varying from 0 to 10 monolayers (ML). The polar magneto-optical Kerr effect has been used to make a nearly continuous set of measurements of the magnetic properties as a function of Co thickness tCo. The coercive fields Hc and nucleation fields Hn show large, well-defined maxima at tCo∼2.3 ML. Between 4 and 9 ML, we find that Hc falls with increasing thickness according to a tCo−5/2 dependence. The Kerr ellipticity and Kerr rotation depend linearly on Co thickness above ∼2 ML Co, but show appreciable offsets when extrapolated to tCo=0. These offsets are clear evidence of the polarization of Pd near the interfaces. Extensive in situ growth studies of the structure of the films are also reported.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.354061</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Woodbury, NY: American Institute of Physics</publisher><subject>Applied sciences ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Exact sciences and technology ; Metals. 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T</creatorcontrib><creatorcontrib>JOHNSON, M. T</creatorcontrib><creatorcontrib>MCGEE, N. W. E</creatorcontrib><creatorcontrib>DE VRIES, J. J</creatorcontrib><creatorcontrib>ZEPER, W. B</creatorcontrib><creatorcontrib>HOVING, W</creatorcontrib><title>Local structural and polar Kerr effect measurements on an ultrathin epitaxial Co wedge grown on Pd(111)</title><title>Journal of applied physics</title><description>A Pd/Co double layer has been grown epitaxially in ultrahigh vacuum on a Pd(111) single crystal, with the Co in the shape of a wedge of thickness varying from 0 to 10 monolayers (ML). The polar magneto-optical Kerr effect has been used to make a nearly continuous set of measurements of the magnetic properties as a function of Co thickness tCo. The coercive fields Hc and nucleation fields Hn show large, well-defined maxima at tCo∼2.3 ML. Between 4 and 9 ML, we find that Hc falls with increasing thickness according to a tCo−5/2 dependence. The Kerr ellipticity and Kerr rotation depend linearly on Co thickness above ∼2 ML Co, but show appreciable offsets when extrapolated to tCo=0. These offsets are clear evidence of the polarization of Pd near the interfaces. Extensive in situ growth studies of the structure of the films are also reported.</description><subject>Applied sciences</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Exact sciences and technology</subject><subject>Metals. Metallurgy</subject><subject>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</subject><subject>Optical properties of specific thin films</subject><subject>Physics</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNo90LFOwzAQgGELgUQpSDyCB4YypNzFcWKPqKKAqAQDzJHjnEtQmkS2o8Lbk6qI6W747oafsWuEJUIu7nApZAY5nrAZgtJJISWcshlAionShT5nFyF8ASAqoWdsu-mtaXmIfrRx9NNqupoPfWs8fyHvOTlHNvIdmTB62lEXA--7SfGxjd7Ez6bjNDTRfDfT8arne6q3xLe-33cH-FYvEPH2kp050wa6-ptz9rF-eF89JZvXx-fV_SaxIk1joirCOgMlMisQNOq0UmS1qlyeV0BFWrtaawtGocQqK2TtDJKttEWXARoxZ4vjX-v7EDy5cvDNzvifEqE8BCqxPAaa6M2RDiZMDZw3nW3Cv8-klAWk4hf4F2Sq</recordid><startdate>19930201</startdate><enddate>19930201</enddate><creator>PURCELL, S. T</creator><creator>JOHNSON, M. T</creator><creator>MCGEE, N. W. E</creator><creator>DE VRIES, J. 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Metallurgy</topic><topic>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</topic><topic>Optical properties of specific thin films</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>PURCELL, S. T</creatorcontrib><creatorcontrib>JOHNSON, M. T</creatorcontrib><creatorcontrib>MCGEE, N. W. E</creatorcontrib><creatorcontrib>DE VRIES, J. J</creatorcontrib><creatorcontrib>ZEPER, W. B</creatorcontrib><creatorcontrib>HOVING, W</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>PURCELL, S. T</au><au>JOHNSON, M. T</au><au>MCGEE, N. W. E</au><au>DE VRIES, J. J</au><au>ZEPER, W. B</au><au>HOVING, W</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Local structural and polar Kerr effect measurements on an ultrathin epitaxial Co wedge grown on Pd(111)</atitle><jtitle>Journal of applied physics</jtitle><date>1993-02-01</date><risdate>1993</risdate><volume>73</volume><issue>3</issue><spage>1360</spage><epage>1367</epage><pages>1360-1367</pages><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>A Pd/Co double layer has been grown epitaxially in ultrahigh vacuum on a Pd(111) single crystal, with the Co in the shape of a wedge of thickness varying from 0 to 10 monolayers (ML). The polar magneto-optical Kerr effect has been used to make a nearly continuous set of measurements of the magnetic properties as a function of Co thickness tCo. The coercive fields Hc and nucleation fields Hn show large, well-defined maxima at tCo∼2.3 ML. Between 4 and 9 ML, we find that Hc falls with increasing thickness according to a tCo−5/2 dependence. The Kerr ellipticity and Kerr rotation depend linearly on Co thickness above ∼2 ML Co, but show appreciable offsets when extrapolated to tCo=0. These offsets are clear evidence of the polarization of Pd near the interfaces. Extensive in situ growth studies of the structure of the films are also reported.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.354061</doi><tpages>8</tpages></addata></record> |
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| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_354061 |
| source | AIP Digital Archive |
| subjects | Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Metals. Metallurgy Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of specific thin films Physics |
| title | Local structural and polar Kerr effect measurements on an ultrathin epitaxial Co wedge grown on Pd(111) |
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