Please wait, while we are loading the content...
| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Dionne, G.F. |
| Copyright Year | 1965 |
| Abstract | From the earliest years of ferrite development, spin-lattice interactions from select transition-metal (3dn) and rare-earth (4fn) ions have influenced key parameters of microwave device performance. Hysteresis loop squareness and coercivity, and magnetic loss that is related to the ferrimagnetic resonance linewidth will continue to depend on cautious inclusion of ions of the 3dn and 4fn series. As the promise of films and layers for planar devices are made more realizable by rapidly advancing deposition technologies, new challenges appear from the presence of stress imparted by mismatches at film/substrate interfaces. To offset unwanted effects of bias strains, increased use of magnetoelastic ions will become necessary. An additional feature made possible by deposition processing at temperatures lower than those of bulk ceramic sintering or melt-grown single crystals is the stabilization of cation valence states that do not normally occur in the thermodynamic equilibrium of conventional bulk ceramic processing. In the future that will undoubtedly involve structures of steadily decreasing dimensions, ferrite applications will have to account for surface compositional variations and interface stress effects. To this end, this article examines the physics that underlies the possible advantages and potential hazards to microwave technologies of the future, where magnetoelastic 3dn ions Mn3+, Fe4+, Fe2+, Co4+, Co2+, and Cu2+, as well as other ions such as Ho3+ or Dy3+ of the 4fn shell can influence the microwave performance. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 272 |
| Ending Page | 278 |
| Page Count | 7 |
| File Size | 949134 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 47 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-02-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetostriction Perpendicular magnetic anisotropy Magnetic hysteresis Ions Ferrites spin-orbit-lattice interactions Hysteresis loop design magnetic anisotropy magnetostriction microwave magnetic loss |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
National Digital Library of India (NDLI) is a virtual repository of learning resources which is not just a repository with search/browse facilities but provides a host of services for the learner community. It is sponsored and mentored by Ministry of Education, Government of India, through its National Mission on Education through Information and Communication Technology (NMEICT). Filtered and federated searching is employed to facilitate focused searching so that learners can find the right resource with least effort and in minimum time. NDLI provides user group-specific services such as Examination Preparatory for School and College students and job aspirants. Services for Researchers and general learners are also provided. NDLI is designed to hold content of any language and provides interface support for 10 most widely used Indian languages. It is built to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular forms of access devices and differently-abled learners. It is designed to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources. It is developed, operated and maintained from Indian Institute of Technology Kharagpur.
Learn more about this project from here.
NDLI is a conglomeration of freely available or institutionally contributed or donated or publisher managed contents. Almost all these contents are hosted and accessed from respective sources. The responsibility for authenticity, relevance, completeness, accuracy, reliability and suitability of these contents rests with the respective organization and NDLI has no responsibility or liability for these. Every effort is made to keep the NDLI portal up and running smoothly unless there are some unavoidable technical issues.
Ministry of Education, through its National Mission on Education through Information and Communication Technology (NMEICT), has sponsored and funded the National Digital Library of India (NDLI) project.
| Sl. | Authority | Responsibilities | Communication Details |
|---|---|---|---|
| 1 | Ministry of Education (GoI), Department of Higher Education |
Sanctioning Authority | https://www.education.gov.in/ict-initiatives |
| 2 | Indian Institute of Technology Kharagpur | Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project | https://www.iitkgp.ac.in |
| 3 | National Digital Library of India Office, Indian Institute of Technology Kharagpur | The administrative and infrastructural headquarters of the project | Dr. B. Sutradhar bsutra@ndl.gov.in |
| 4 | Project PI / Joint PI | Principal Investigator and Joint Principal Investigators of the project |
Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon |
| 5 | Website/Portal (Helpdesk) | Queries regarding NDLI and its services | support@ndl.gov.in |
| 6 | Contents and Copyright Issues | Queries related to content curation and copyright issues | content@ndl.gov.in |
| 7 | National Digital Library of India Club (NDLI Club) | Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach | clubsupport@ndl.gov.in |
| 8 | Digital Preservation Centre (DPC) | Assistance with digitizing and archiving copyright-free printed books | dpc@ndl.gov.in |
| 9 | IDR Setup or Support | Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops | idr@ndl.gov.in |
|
Loading...
|