Perpendicular magnetic anisotropy of TiN buffered Co2FeAl/MgO bilayers
We investigated crystallographic and magnetic properties of TiN buffered Co2FeAl thin films. Room temperature deposition of the Heusler compound led to high crystalline ordering. The layer thickness and post annealing temperature dependence of the coercivity, squareness ratio, and the anisotropy con...
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| Veröffentlicht in: | Journal of applied physics 2017-06, Vol.121 (22) |
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| container_title | Journal of applied physics |
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| creator | Niesen, Alessia Ludwig, Jana Glas, Manuel Silber, Robin Schmalhorst, Jan-Michael Arenholz, Elke Reiss, Günter |
| description | We investigated crystallographic and magnetic properties of TiN buffered Co2FeAl thin films. Room temperature deposition of the Heusler compound led to high crystalline ordering. The layer thickness and post annealing temperature dependence of the coercivity, squareness ratio, and the anisotropy constant of the thin Co2FeAl films were measured. High perpendicular magnetic anisotropy was observed for the 0.9 nm thin Co2FeAl film. A squareness ratio of one was reached at 325 °C post annealing temperature, which is lower compared to previous studies. It remained constant for temperatures up to 500 °C. Surface sensitive x-ray absorption and x-ray magneto circular dichroism measurements were carried out, in order to investigate the element specific magnetic moments. A magnetic moment of 5.4 ± 0.4 μB
/f.u. for the 1 nm thin Co2FeAl was determined, which is in good agreement with the previously reported values for Cr or MgO buffered Co2FeAl. |
| doi_str_mv | 10.1063/1.4984891 |
| format | Article |
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/f.u. for the 1 nm thin Co2FeAl was determined, which is in good agreement with the previously reported values for Cr or MgO buffered Co2FeAl.</description><subject>Anisotropy</subject><subject>Annealing</subject><subject>Applied physics</subject><subject>Bilayers</subject><subject>Buffers</subject><subject>Coercivity</subject><subject>Crystallography</subject><subject>Dichroism</subject><subject>Magnesium oxide</subject><subject>Magnetic anisotropy</subject><subject>Magnetic moments</subject><subject>Magnetic properties</subject><subject>Magnetism</subject><subject>Temperature</subject><subject>Temperature dependence</subject><subject>Thickness</subject><subject>Thin films</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp90E1LAzEQBuAgCtbqwX-w4Elh20w-NrvHUqwKaj3Uc8jmo6S0mzXZFfrvXWnRg-BpDvPMO8wgdA14ArigU5iwqmRlBSdoBLiscsE5PkUjjAnkZSWqc3SR0gZjgJJWI7R4s7G1jfG636qY7dS6sZ3XmWp8Cl0M7T4LLlv516zunbPRmmweyMLOttOX9TKr_VbtbUyX6MypbbJXxzpG74v71fwxf14-PM1nz7mmRHS5ZooRwWtmLAVjtBasNoQ7Ywx1WgkGJedClMDJ0Kd1QQuuuOFquG0YqegY3Rxy2xg-eps6uQl9bIaVkgAUgBkmdFC3B6VjSClaJ9vodyruJWD5_SYJ8vimwd4dbNK-U50PzQ_-DPEXyta4__Df5C_EQHT2</recordid><startdate>20170614</startdate><enddate>20170614</enddate><creator>Niesen, Alessia</creator><creator>Ludwig, Jana</creator><creator>Glas, Manuel</creator><creator>Silber, Robin</creator><creator>Schmalhorst, Jan-Michael</creator><creator>Arenholz, Elke</creator><creator>Reiss, Günter</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-5508-3235</orcidid></search><sort><creationdate>20170614</creationdate><title>Perpendicular magnetic anisotropy of TiN buffered Co2FeAl/MgO bilayers</title><author>Niesen, Alessia ; Ludwig, Jana ; Glas, Manuel ; Silber, Robin ; Schmalhorst, Jan-Michael ; Arenholz, Elke ; Reiss, Günter</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-c4a4275b4de31ddcc74bd25fddd3fca74185577815231d3b6365a5d5a106de393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Anisotropy</topic><topic>Annealing</topic><topic>Applied physics</topic><topic>Bilayers</topic><topic>Buffers</topic><topic>Coercivity</topic><topic>Crystallography</topic><topic>Dichroism</topic><topic>Magnesium oxide</topic><topic>Magnetic anisotropy</topic><topic>Magnetic moments</topic><topic>Magnetic properties</topic><topic>Magnetism</topic><topic>Temperature</topic><topic>Temperature dependence</topic><topic>Thickness</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Niesen, Alessia</creatorcontrib><creatorcontrib>Ludwig, Jana</creatorcontrib><creatorcontrib>Glas, Manuel</creatorcontrib><creatorcontrib>Silber, Robin</creatorcontrib><creatorcontrib>Schmalhorst, Jan-Michael</creatorcontrib><creatorcontrib>Arenholz, Elke</creatorcontrib><creatorcontrib>Reiss, Günter</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Niesen, Alessia</au><au>Ludwig, Jana</au><au>Glas, Manuel</au><au>Silber, Robin</au><au>Schmalhorst, Jan-Michael</au><au>Arenholz, Elke</au><au>Reiss, Günter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Perpendicular magnetic anisotropy of TiN buffered Co2FeAl/MgO bilayers</atitle><jtitle>Journal of applied physics</jtitle><date>2017-06-14</date><risdate>2017</risdate><volume>121</volume><issue>22</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>We investigated crystallographic and magnetic properties of TiN buffered Co2FeAl thin films. Room temperature deposition of the Heusler compound led to high crystalline ordering. The layer thickness and post annealing temperature dependence of the coercivity, squareness ratio, and the anisotropy constant of the thin Co2FeAl films were measured. High perpendicular magnetic anisotropy was observed for the 0.9 nm thin Co2FeAl film. A squareness ratio of one was reached at 325 °C post annealing temperature, which is lower compared to previous studies. It remained constant for temperatures up to 500 °C. Surface sensitive x-ray absorption and x-ray magneto circular dichroism measurements were carried out, in order to investigate the element specific magnetic moments. A magnetic moment of 5.4 ± 0.4 μB
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Anisotropy Annealing Applied physics Bilayers Buffers Coercivity Crystallography Dichroism Magnesium oxide Magnetic anisotropy Magnetic moments Magnetic properties Magnetism Temperature Temperature dependence Thickness Thin films |
| title | Perpendicular magnetic anisotropy of TiN buffered Co2FeAl/MgO bilayers |
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