Lorentz microscopy on dynamically written domains in GdTbFe
In this letter a new method for the observation of thermomagnetically written domains using Lorentz electron microscopy is discussed. Domains are written in a GdTbFe layer deposited on a specially prepared silicon wafer disk, provided with Si3N4 windows. This allows direct observation by Lorentz mic...
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| Veröffentlicht in: | Appl. Phys. Lett.; (United States) 1989-03, Vol.54 (10), p.963-964 |
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| container_issue | 10 |
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| container_title | Appl. Phys. Lett.; (United States) |
| container_volume | 54 |
| creator | GREIDANUS, F. J. A. M JACOBS, B. A. J DEN BROEDER, F. J. A SPRUIT, J. H. M ROSENKRANZ, M |
| description | In this letter a new method for the observation of thermomagnetically written domains using Lorentz electron microscopy is discussed. Domains are written in a GdTbFe layer deposited on a specially prepared silicon wafer disk, provided with Si3N4 windows. This allows direct observation by Lorentz microscopy of the magnetization patterns dynamically written under recording conditions. It is shown that by locally heating the GdTbFe layer with a continuous laser beam, combined with high-frequency switching of the magnetic field, very high storage densities can be achieved. Domains with a length of 0.25 μm in the direction of disk rotation could be written. |
| doi_str_mv | 10.1063/1.101420 |
| format | Article |
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Domains with a length of 0.25 μm in the direction of disk rotation could be written.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.101420</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville, NY: American Institute of Physics</publisher><subject>360104 - Metals & Alloys- Physical Properties ; ALLOYS ; Applied sciences ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; DOMAIN STRUCTURE ; ELECTRON MICROSCOPY ; ELEMENTS ; Exact sciences and technology ; GADOLINIUM ALLOYS ; IRON ALLOYS ; IRON BASE ALLOYS ; Magnetic properties and materials ; Magnetic properties of surface, thin films and multilayers ; MAGNETIZATION ; MATERIALS SCIENCE ; MEMORY DEVICES ; Metals, semimetals and alloys ; Metals. Metallurgy ; MICROSCOPY ; Other topics in magnetic properties and materials ; Physics ; RARE EARTH ALLOYS ; SEMIMETALS ; SILICON ; Specific materials ; TERBIUM ALLOYS</subject><ispartof>Appl. Phys. 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Domains with a length of 0.25 μm in the direction of disk rotation could be written.</description><subject>360104 - Metals & Alloys- Physical Properties</subject><subject>ALLOYS</subject><subject>Applied sciences</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>DOMAIN STRUCTURE</subject><subject>ELECTRON MICROSCOPY</subject><subject>ELEMENTS</subject><subject>Exact sciences and technology</subject><subject>GADOLINIUM ALLOYS</subject><subject>IRON ALLOYS</subject><subject>IRON BASE ALLOYS</subject><subject>Magnetic properties and materials</subject><subject>Magnetic properties of surface, thin films and multilayers</subject><subject>MAGNETIZATION</subject><subject>MATERIALS SCIENCE</subject><subject>MEMORY DEVICES</subject><subject>Metals, semimetals and alloys</subject><subject>Metals. 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Metallurgy</topic><topic>MICROSCOPY</topic><topic>Other topics in magnetic properties and materials</topic><topic>Physics</topic><topic>RARE EARTH ALLOYS</topic><topic>SEMIMETALS</topic><topic>SILICON</topic><topic>Specific materials</topic><topic>TERBIUM ALLOYS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GREIDANUS, F. J. A. M</creatorcontrib><creatorcontrib>JACOBS, B. A. J</creatorcontrib><creatorcontrib>DEN BROEDER, F. J. A</creatorcontrib><creatorcontrib>SPRUIT, J. H. M</creatorcontrib><creatorcontrib>ROSENKRANZ, M</creatorcontrib><creatorcontrib>Philips Research Laboratories, P. O. Box 80.000, 5600 JA, Eindhoven, The Netherlands</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Appl. Phys. Lett.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>GREIDANUS, F. J. A. M</au><au>JACOBS, B. A. J</au><au>DEN BROEDER, F. J. A</au><au>SPRUIT, J. H. M</au><au>ROSENKRANZ, M</au><aucorp>Philips Research Laboratories, P. O. Box 80.000, 5600 JA, Eindhoven, The Netherlands</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Lorentz microscopy on dynamically written domains in GdTbFe</atitle><jtitle>Appl. Phys. Lett.; (United States)</jtitle><date>1989-03-06</date><risdate>1989</risdate><volume>54</volume><issue>10</issue><spage>963</spage><epage>964</epage><pages>963-964</pages><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>In this letter a new method for the observation of thermomagnetically written domains using Lorentz electron microscopy is discussed. Domains are written in a GdTbFe layer deposited on a specially prepared silicon wafer disk, provided with Si3N4 windows. This allows direct observation by Lorentz microscopy of the magnetization patterns dynamically written under recording conditions. It is shown that by locally heating the GdTbFe layer with a continuous laser beam, combined with high-frequency switching of the magnetic field, very high storage densities can be achieved. Domains with a length of 0.25 μm in the direction of disk rotation could be written.</abstract><cop>Melville, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.101420</doi><tpages>2</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0003-6951 |
| ispartof | Appl. Phys. Lett.; (United States), 1989-03, Vol.54 (10), p.963-964 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_101420 |
| source | AIP Digital Archive |
| subjects | 360104 - Metals & Alloys- Physical Properties ALLOYS Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology DOMAIN STRUCTURE ELECTRON MICROSCOPY ELEMENTS Exact sciences and technology GADOLINIUM ALLOYS IRON ALLOYS IRON BASE ALLOYS Magnetic properties and materials Magnetic properties of surface, thin films and multilayers MAGNETIZATION MATERIALS SCIENCE MEMORY DEVICES Metals, semimetals and alloys Metals. Metallurgy MICROSCOPY Other topics in magnetic properties and materials Physics RARE EARTH ALLOYS SEMIMETALS SILICON Specific materials TERBIUM ALLOYS |
| title | Lorentz microscopy on dynamically written domains in GdTbFe |
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