Scitation Home | AIP Journal Center | Article Purchases | Table of Contents Alert | Feedback Help | Exit JAP Home Volume: Page/Article: Search Browse [ Previous / Next Abstract | Issue Table of Contents | Bottom of Page <#bottom> ] Journal of Applied Physics -- March 1, 1998 -- Volume 83, Issue 5, pp. 2705-2714 * Full Text: * [ PDF (333 kB) GZipped PS ] Order ------------------------------------------------------------------------ Permissions for Reuse Magnetoresistive Co/Cu multilayers: Hysteresis, polycrystallinity, and irreversible changes on magnetization H. Holloway and D. J. Kubinski / Ford Research Laboratory, SRL/MD3028, P.O. Box 2053, Dearborn, Michigan 48121-2053 / (Received 9 September 1997; accepted 18 November 1997) Magnetoresistive^ metal multilayers are known to undergo an irreversible decrease in^ the maximum value of their field-dependent resistance after exposure to^ a magnetic field. An explanation for this effect in terms^ of the creation of antiphase domain boundaries is considered and^ rejected on the basis of experimental tests that point instead^ to a strong correlation of irreversible loss of resistance with^ magnetoresistive hysteresis. The main features of the phenomenon are reproduced^ by a model that treats polycrystalline multilayers as assemblies of^ grains with random orientations of magnetic easy axes. The key^ feature of the model is that for each individual grain^ the magnetic state corresponds to an energy minimum that may^ be only local, rather than global. Trapping in local energy^ minima accounts for both magnetoresistive hysteresis and incomplete antiferromagnetic order^ at the maximum resistance that is attained after cycling. The^ model explains experimental observations, such as the relatively small hysteresis^ and resistance loss at the first antiferromagnetic maximum. It also^ predicts a strong Co-thickness dependence of the resistance loss in^ Co/Cu multilayers at the second antiferromagnetic maximum that is verified^ with experimental data for Co/Cu multilayers. ©/1998 American Institute of^ Physics./ ^ ^ * PII: * S0021-8979(98)03105-3 doi: 10.1063/1.367034 * PACS:* 75.70.Cn, 75.70.Pa, 75.60.Ej, 75.50.Ee Additional Information View ISI's Web of Science data for this article: [ Source Abstract | Citing Articles | Related Articles ] ------------------------------------------------------------------------ * Full Text: * [ PDF (333 kB) GZipped PS ] Order ------------------------------------------------------------------------ References Citation links [e.g.,_ Phys. Rev. D 40, 2172 (1989)_] go to online journal abstracts. Other links (see Reference Information ) are available with your current login. Navigation of links may be more efficient using a second browser window . 1. P. A. Schroeder, S.-F. Lee, P. Holody, R. Laloee, Q. Yang, W. P. 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The American Institute of Physics is a member of CrossRef . ------------------------------------------------------------------------ * Full Text: * [ PDF (333 kB) GZipped PS ] Order ------------------------------------------------------------------------ Citing Articles This list contains links to other online articles that cite the article currently being viewed. 1. Magnetic properties of exchange-biased three-layer films in a perpendicular magnetic field V. Thanh Ngo /et al./, Phys. Rev. B *69*, 134429 (2004) 2. Antiferromagnetic hysteresis in magnetoresistive multilayers investigated by x-ray resonant scattering Carlo Spezzani /et al./, Appl. Phys. Lett. *81*, 3425 (2002) 3. Hysteresis curves of ferromagnetic and antiferromagnetic order in metallic multilayers by resonant x-ray scattering Carlo Spezzani /et al./, Phys. Rev. B *66*, 052408 (2002) 4. Interaction effects in disordered multilayers W. J. Antel, Jr. /et al./, J. Appl. Phys. *89*, 7071 (2001) 5. Quantification of Magnetic Domain Disorder and Correlations in Antiferromagnetically Coupled Multilayers by Neutron Reflectometry Sean Langridge /et al./, Phys. Rev. Lett. *85*, 4964 (2000) 6. The effect of microstructure on the temperature dependence of the interlayer coupling in Co/Cu multilayers C. Christides , J. Appl. Phys. *88*, 3552 (2000) 7. Optimization processes of giant magnetoresistance characteristic for mixed magnetic multilayers W. Schepper /et al./, J. Appl. Phys. *88*, 993 (2000) 8. Interplay of antiferromagnetic coupling in copper/permalloy combination multilayers S. Heitmann /et al./, J. Appl. Phys. *87*, 4849 (2000) 9. Magnetization processes in Co/Cu multilayers with low magnetoresistive hysteresis J. N. Chapman /et al./, J. Appl. Phys. *86*, 1611 (1999) 10. Observation of Antiparallel Magnetic Order in Weakly Coupled Co/Cu Multilayers J. A. Borchers /et al./, Phys. Rev. Lett. *82*, 2796 (1999) ------------------------------------------------------------------------ * Full Text: * [ PDF (333 kB) GZipped PS ] Order [ Previous / Next Abstract | Issue Table of Contents | Top of Page <#top> ] [JAP Home ] [All Online Issues: Browse | Search ] [SPIN Database: Search ] [HELP ] [EXIT ] Copyright © 2005 American Institute of Physics Copyright Statement *:* Rights & Permissions *:* Permitted/Prohibited Uses Current Issue All Online Issues Across Journals (SPIN) Current Issue All Online Issues Free Sample Issue Focus & Coverage Editors Editorial Board Editorial Office AIP Production Office Masthead Archive Brochure (PDF) Subscription Prices Back Issues ISSN General Inquiries Subscription Policies Document Delivery Online Access Microform Secure Online Order Form E-mail Customer Service Permitted/Prohibited Uses Online User License Copyright Online Journal License Copying Permission for Other Use Web Posting Guidelines Info for Contributors General Editorial Policies E-mail to Editorial Office Publication Charges Web Posting Guidelines Author Responsibilities Publication Services/Forms E-mail AIP Production Auxiliary Material/EPAPS PACS®