Thermal stability of NiMn spin valve heads
The thermal stability of NiMn-based spin valves was studied both at the coupon level and in full read/write heads. In the coupons, the blocking temperature distribution showed no component below 150/spl deg/C. As a result, the exchange field at elevated temperature was found to increase with time (b...
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| Veröffentlicht in: | IEEE transactions on magnetics 2000-05, Vol.36 (3), p.586-590 |
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| creator | Zhang, Y.B. Van Der Heijden, A. Nozieres, J.-P. Pentek, K. Chin, T.K. Tuchscherer, T. Zeltser, A.M. Blank, H.-R. Trotter, S. Jaren, S. Speriosu, V.S. |
| description | The thermal stability of NiMn-based spin valves was studied both at the coupon level and in full read/write heads. In the coupons, the blocking temperature distribution showed no component below 150/spl deg/C. As a result, the exchange field at elevated temperature was found to increase with time (because of improved chemical ordering of the NiMn layer), and irreversible losses in the /spl Delta/R/R response were observed only above 250/spl deg/C (because of layer interdiffusion). If a 10% drop in /spl Delta/R/R amplitude is used as a criterion to calculate time to failure, the NiMn heads should have several hundred years of lifetime at 150/spl deg/C operating temperature. Full read/write heads showed linear response with read-back amplitudes above 2 mV//spl mu/m at 6-mA operating current. In contrast to most other giant magnetoresistance heads, the output of the head remains the same after heating with a high bias current and degrades only with the shorting of the stripe. All these properties make NiMn superior to other antiferromagnets for spin valve head applications. |
| doi_str_mv | 10.1109/20.846222 |
| format | Article |
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In the coupons, the blocking temperature distribution showed no component below 150/spl deg/C. As a result, the exchange field at elevated temperature was found to increase with time (because of improved chemical ordering of the NiMn layer), and irreversible losses in the /spl Delta/R/R response were observed only above 250/spl deg/C (because of layer interdiffusion). If a 10% drop in /spl Delta/R/R amplitude is used as a criterion to calculate time to failure, the NiMn heads should have several hundred years of lifetime at 150/spl deg/C operating temperature. Full read/write heads showed linear response with read-back amplitudes above 2 mV//spl mu/m at 6-mA operating current. In contrast to most other giant magnetoresistance heads, the output of the head remains the same after heating with a high bias current and degrades only with the shorting of the stripe. All these properties make NiMn superior to other antiferromagnets for spin valve head applications.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/20.846222</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Amplitudes ; Antiferromagnetic materials ; Applied sciences ; Chemicals ; Criteria ; Electronics ; Exact sciences and technology ; Giant magnetoresistance ; Heating ; Legged locomotion ; Magnetic devices ; Magnetic heads ; Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.); domain-motion devices, etc ; Magnetism ; Mathematical analysis ; Operating temperature ; Physics ; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices ; Spin valves ; Temperature distribution ; Thermal degradation ; Thermal stability</subject><ispartof>IEEE transactions on magnetics, 2000-05, Vol.36 (3), p.586-590</ispartof><rights>2000 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2000</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c430t-c15fb3a835b631f62bf0f788f42e0ea3b00bfa1cefdbbd468aa9da84cf9ff3f53</citedby><cites>FETCH-LOGICAL-c430t-c15fb3a835b631f62bf0f788f42e0ea3b00bfa1cefdbbd468aa9da84cf9ff3f53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/846222$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>230,314,776,780,792,881,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/846222$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1459832$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-04737474$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Y.B.</creatorcontrib><creatorcontrib>Van Der Heijden, A.</creatorcontrib><creatorcontrib>Nozieres, J.-P.</creatorcontrib><creatorcontrib>Pentek, K.</creatorcontrib><creatorcontrib>Chin, T.K.</creatorcontrib><creatorcontrib>Tuchscherer, T.</creatorcontrib><creatorcontrib>Zeltser, A.M.</creatorcontrib><creatorcontrib>Blank, H.-R.</creatorcontrib><creatorcontrib>Trotter, S.</creatorcontrib><creatorcontrib>Jaren, S.</creatorcontrib><creatorcontrib>Speriosu, V.S.</creatorcontrib><title>Thermal stability of NiMn spin valve heads</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>The thermal stability of NiMn-based spin valves was studied both at the coupon level and in full read/write heads. In the coupons, the blocking temperature distribution showed no component below 150/spl deg/C. As a result, the exchange field at elevated temperature was found to increase with time (because of improved chemical ordering of the NiMn layer), and irreversible losses in the /spl Delta/R/R response were observed only above 250/spl deg/C (because of layer interdiffusion). If a 10% drop in /spl Delta/R/R amplitude is used as a criterion to calculate time to failure, the NiMn heads should have several hundred years of lifetime at 150/spl deg/C operating temperature. Full read/write heads showed linear response with read-back amplitudes above 2 mV//spl mu/m at 6-mA operating current. In contrast to most other giant magnetoresistance heads, the output of the head remains the same after heating with a high bias current and degrades only with the shorting of the stripe. All these properties make NiMn superior to other antiferromagnets for spin valve head applications.</description><subject>Amplitudes</subject><subject>Antiferromagnetic materials</subject><subject>Applied sciences</subject><subject>Chemicals</subject><subject>Criteria</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Giant magnetoresistance</subject><subject>Heating</subject><subject>Legged locomotion</subject><subject>Magnetic devices</subject><subject>Magnetic heads</subject><subject>Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.); domain-motion devices, etc</subject><subject>Magnetism</subject><subject>Mathematical analysis</subject><subject>Operating temperature</subject><subject>Physics</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Spin valves</subject><subject>Temperature distribution</subject><subject>Thermal degradation</subject><subject>Thermal stability</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0c9LwzAUB_AgCs7pwaunIqIodL78aJocx1AnTL3Mc3jtEpbRtbPpBvvv7eiY4EFPIXmffOG9R8glhQGloB8ZDJSQjLEj0qNa0BhA6mPSA6Aq1kKKU3IWwqK9ioRCjzxM57ZeYhGFBjNf-GYbVS56929lFFa-jDZYbGw0tzgL5-TEYRHsxf7sk8_np-loHE8-Xl5Hw0mcCw5NnNPEZRwVTzLJqZMsc-BSpZxgFizyDCBzSHPrZlk2E1Ih6hkqkTvtHHcJ75P7LneOhVnVfon11lTozXg4Mbs3EClPRSo2tLV3nV3V1dfahsYsfchtUWBpq3UwmgrJJQPdyts_JVMybeeW_g_TNFFaqRZe_4KLal2X7WiMagFToOGnmbyuQqitO3REwew2ZhiYbmOtvdkHYsixcDWWuQ8_H0SiFd-xq455a-2hus_4BoU2ml4</recordid><startdate>20000501</startdate><enddate>20000501</enddate><creator>Zhang, Y.B.</creator><creator>Van Der Heijden, A.</creator><creator>Nozieres, J.-P.</creator><creator>Pentek, K.</creator><creator>Chin, T.K.</creator><creator>Tuchscherer, T.</creator><creator>Zeltser, A.M.</creator><creator>Blank, H.-R.</creator><creator>Trotter, S.</creator><creator>Jaren, S.</creator><creator>Speriosu, V.S.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope><scope>1XC</scope></search><sort><creationdate>20000501</creationdate><title>Thermal stability of NiMn spin valve heads</title><author>Zhang, Y.B. ; Van Der Heijden, A. ; Nozieres, J.-P. ; Pentek, K. ; Chin, T.K. ; Tuchscherer, T. ; Zeltser, A.M. ; Blank, H.-R. ; Trotter, S. ; Jaren, S. ; Speriosu, V.S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c430t-c15fb3a835b631f62bf0f788f42e0ea3b00bfa1cefdbbd468aa9da84cf9ff3f53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Amplitudes</topic><topic>Antiferromagnetic materials</topic><topic>Applied sciences</topic><topic>Chemicals</topic><topic>Criteria</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Giant magnetoresistance</topic><topic>Heating</topic><topic>Legged locomotion</topic><topic>Magnetic devices</topic><topic>Magnetic heads</topic><topic>Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.); domain-motion devices, etc</topic><topic>Magnetism</topic><topic>Mathematical analysis</topic><topic>Operating temperature</topic><topic>Physics</topic><topic>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</topic><topic>Spin valves</topic><topic>Temperature distribution</topic><topic>Thermal degradation</topic><topic>Thermal stability</topic><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Y.B.</creatorcontrib><creatorcontrib>Van Der Heijden, A.</creatorcontrib><creatorcontrib>Nozieres, J.-P.</creatorcontrib><creatorcontrib>Pentek, K.</creatorcontrib><creatorcontrib>Chin, T.K.</creatorcontrib><creatorcontrib>Tuchscherer, T.</creatorcontrib><creatorcontrib>Zeltser, A.M.</creatorcontrib><creatorcontrib>Blank, H.-R.</creatorcontrib><creatorcontrib>Trotter, S.</creatorcontrib><creatorcontrib>Jaren, S.</creatorcontrib><creatorcontrib>Speriosu, V.S.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998–Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications 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><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zhang, Y.B.</au><au>Van Der Heijden, A.</au><au>Nozieres, J.-P.</au><au>Pentek, K.</au><au>Chin, T.K.</au><au>Tuchscherer, T.</au><au>Zeltser, A.M.</au><au>Blank, H.-R.</au><au>Trotter, S.</au><au>Jaren, S.</au><au>Speriosu, V.S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermal stability of NiMn spin valve heads</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2000-05-01</date><risdate>2000</risdate><volume>36</volume><issue>3</issue><spage>586</spage><epage>590</epage><pages>586-590</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>The thermal stability of NiMn-based spin valves was studied both at the coupon level and in full read/write heads. In the coupons, the blocking temperature distribution showed no component below 150/spl deg/C. As a result, the exchange field at elevated temperature was found to increase with time (because of improved chemical ordering of the NiMn layer), and irreversible losses in the /spl Delta/R/R response were observed only above 250/spl deg/C (because of layer interdiffusion). If a 10% drop in /spl Delta/R/R amplitude is used as a criterion to calculate time to failure, the NiMn heads should have several hundred years of lifetime at 150/spl deg/C operating temperature. Full read/write heads showed linear response with read-back amplitudes above 2 mV//spl mu/m at 6-mA operating current. In contrast to most other giant magnetoresistance heads, the output of the head remains the same after heating with a high bias current and degrades only with the shorting of the stripe. All these properties make NiMn superior to other antiferromagnets for spin valve head applications.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/20.846222</doi><tpages>5</tpages></addata></record> |
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| subjects | Amplitudes Antiferromagnetic materials Applied sciences Chemicals Criteria Electronics Exact sciences and technology Giant magnetoresistance Heating Legged locomotion Magnetic devices Magnetic heads Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.) domain-motion devices, etc Magnetism Mathematical analysis Operating temperature Physics Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Spin valves Temperature distribution Thermal degradation Thermal stability |
| title | Thermal stability of NiMn spin valve heads |
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