Download Advances in Nanoscale Magnetism: Proceedings of the by I. Galanakis, K. Özdog̃an, E. Şaşiog̃lu (auth.), Professor Dr. PDF

By I. Galanakis, K. Özdog̃an, E. Şaşiog̃lu (auth.), Professor Dr. Bekir Aktas, Dr. Faik Mikailov (eds.)

ISBN-10: 3540698817

ISBN-13: 9783540698814

The ebook goals to supply an outline of contemporary growth within the knowing of magnetic homes in nanoscale via fresh result of numerous theoretical and experimental investigations. The papers describe quite a lot of actual elements, including theoretical and experimental equipment. it really is of vital curiosity to researchers and experts in magnetism and magnetic fabrics technological know-how, either in educational and commercial examine, in addition to complicated students.

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Extra resources for Advances in Nanoscale Magnetism: Proceedings of the International Conference on Nanoscale Magnetism ICNM-2007 June 25–29, Istanbul, Turkey

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Thus, the type of atomic disorders in Heusler systems play a crucial role in determining the spin polarization and hence their utility as spin injection sources. Atomic disorders and clustering effects also greatly influence the magnetic properties of Heusler alloys [18, 19]. Previous studies on bulk Fe2 CrAl using the M¨ ossbauer effect have shown that even in the presence of fairly good chemical ordering, clustering of Cr influences the microscopic magnetic properties [14, 18, 20]. Moreover, on reduction in the grain size to the nanoscale, vastly different magnetic properties are expected, as, for example, in the case of Al-rich, Fe-Al systems [21].

Freeman, R. Asahi, Phys. Rev. B 64, 180401 (2001) 17. Ph. Mavropoulos, I. Galanakis, J. Phys. Condens. Matter 19, 315221 (2007) 18. I. Galanakis, Phys. Rev. B 66, 012406 (2002) 19. I. Galanakis, Ph. Mavropoulos, Phys. Rev. B 67, 104417 (2003) 20. Ph. Mavropoulos, I. Galanakis, J. Phys. Condens. Matter 16, 4261 (2004) 21. S. A. Hill, Phys. Rev. B 62, 15553 (2000) 22. A. Continenza, S. T. J. Freeman, Phys. Rev. B 64, 085204 (2001) 23. G. Liu, Phys. Rev. B 67, 172411 (2003) 24. B. Sanyal, L. Bergqvist, O.

Pickett, Phys. Rev. B 60, 13006 (1999) 2 Clustering in Heusler Alloys N. Lakshmi1 , V. Sebastian2 , and K. , Kerala 670 701, India Summary. The effect of disordering, particularly Cr clustering on the magnetic properties in bulk and nanosized Heusler alloy Fe2 CrAl has been studied using a combination of X-ray diffraction, 57 Fe M¨ ossbauer spectroscopy, and DC magnetization. The structural order/disorder has been confirmed using M¨ ossbauer spectroscopy, and the observed bulk magnetic properties have been correlated to these results.

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