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Brisure Du Ferromagnetisme Dans Les Systemes A Anisotropie Aleatoire
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Book Synopsis Brisure du ferromagnétisme dans les systèmes à anisotropie aléatoire by : BERNARD.. DIENY
Download or read book Brisure du ferromagnétisme dans les systèmes à anisotropie aléatoire written by BERNARD.. DIENY and published by . This book was released on 1985 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: ETUDE EXPERIMENTALE DES PROPRIETES A BASSE TEMPERATURE D'UNE SERIE D'ALLIAGES AMORPHES DY::(X)GD::(1-X)NI. DANS CES ALLIAGES LES IONS LANTHANIDES SONT COUPLES FERROMAGNETIQUEMENT ET POSSEDENT UNE DIRECTION D'ANISOTROPIE UNIAXIALE D'ORIENTATION ALEATOIRE. ETUDE PAR MAGNETOMETRIE JOSEPHSON (SQUID), SUSCEPTIBILITE ALTERNATIVE, COUPLES MAGNETIQUES, DIFFUSION DE NEUTRONS ET SIMULATION NUMERIQUE. A BASSE TEMPERATURE L'ANISOTROPIE ALEATOIRE CONDUIT A UNE VERITABLE BRISURE DU FERROMAGNETISME QUI NE SUBSISTE QUE COMME ORDRE LOCAL. MACROSCOPIQUEMENT L'AIMANTATION SPONTANEE A LA SYMETRIE SPHERIQUE. ETUDE DETAILLEE DES HYSTERISIS DIRECTIONNELLLE ET RATIONNELLE. ETUDE DES PROPRIETES DE LA TRANSITION DE PHASE DANS LES CAS EXTREMES DE FAIBLE ET DE FORTE ANISOTROPIE LOCALE (GDNI/DYNI). CES SYSTEMES EN OFFRANT LA POSSIBILITE DE GRADUER LA FRUSTRATION PAR VARIATION DU RAPPORT DE L'ANISOTROPIE ALEATOIRE A L'ECHANGE PERMETTENT DE PASSER CONTINUEMENT DU FERROMAGNETISME AUX VERRES DE SPIN ET FACILITENT DE CE FAIT LA COMPREHENSION DE SYSTEMES MAGNETIQUES DESORDONNES
Book Synopsis BRISURE DU FERROMAGNETISME DANS LES SYSTEMES A ANISOTROPIE ALEATOIRE by : BERNARD.. DIENY
Download or read book BRISURE DU FERROMAGNETISME DANS LES SYSTEMES A ANISOTROPIE ALEATOIRE written by BERNARD.. DIENY and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: ETUDE EXPERIMENTALE DES PROPRIETES A BASSE TEMPERATURE D'UNE SERIE D'ALLIAGES AMORPHES DY::(X)GD::(1-X)NI. DANS CES ALLIAGES LES IONS LANTHANIDES SONT COUPLES FERROMAGNETIQUEMENT ET POSSEDENT UNE DIRECTION D'ANISOTROPIE UNIAXIALE D'ORIENTATION ALEATOIRE. ETUDE PAR MAGNETOMETRIE JOSEPHSON (SQUID), SUSCEPTIBILITE ALTERNATIVE, COUPLES MAGNETIQUES, DIFFUSION DE NEUTRONS ET SIMULATION NUMERIQUE. A BASSE TEMPERATURE L'ANISOTROPIE ALEATOIRE CONDUIT A UNE VERITABLE BRISURE DU FERROMAGNETISME QUI NE SUBSISTE QUE COMME ORDRE LOCAL. MACROSCOPIQUEMENT L'AIMANTATION SPONTANEE A LA SYMETRIE SPHERIQUE. ETUDE DETAILLEE DES HYSTERISIS DIRECTIONNELLLE ET RATIONNELLE. ETUDE DES PROPRIETES DE LA TRANSITION DE PHASE DANS LES CAS EXTREMES DE FAIBLE ET DE FORTE ANISOTROPIE LOCALE (GDNI/DYNI). CES SYSTEMES EN OFFRANT LA POSSIBILITE DE GRADUER LA FRUSTRATION PAR VARIATION DU RAPPORT DE L'ANISOTROPIE ALEATOIRE A L'ECHANGE PERMETTENT DE PASSER CONTINUEMENT DU FERROMAGNETISME AUX VERRES DE SPIN ET FACILITENT DE CE FAIT LA COMPREHENSION DE SYSTEMES MAGNETIQUES DESORDONNES.
Book Synopsis ETUDE DE L'ANISOTROPIE ALEATOIRE ET DE LA BRISURE DU COUPLAGE ANTIFERROMAGNETIQUE DANS LES ALLIAGES AMORPHES (MT80-XRXB20 OU MT by : LHOUSSAINE.. DRIOUCH
Download or read book ETUDE DE L'ANISOTROPIE ALEATOIRE ET DE LA BRISURE DU COUPLAGE ANTIFERROMAGNETIQUE DANS LES ALLIAGES AMORPHES (MT80-XRXB20 OU MT written by LHOUSSAINE.. DRIOUCH and published by . This book was released on 1995 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: NOUS AVONS ETUDIE LES PROPRIETES MAGNETIQUES DES ALLIAGES AMORPHES MT80-XRXB20 ELABORES SOUS FORME DE RUBAN, A PARTIR DE L'ETAT LIQUIDE. L'ETUDE D'AIMANTATION A SATURATION NOUS A PERMIS DE METTRE EN EVIDENCE LA STRUCTURE NON COLINEAIRE DES SPINS DE DY (STRUCTURE SPERIMAGNETIQUE). LA THEORIE DU CHAMP MOYEN A ETE UTILISEE POUR DECRIRE LA VARIATION THERMIQUE DE L'AIMANTATION ET EN DEDUIRE LES DIFFERENTES INTERACTIONS D'ECHANGES JMT-R ET JMT-MT. NOUS AVONS PRESENTE UNE ETUDE DE L'ANISOTROPIE LOCALE ALEATOIRE DE NOS ALLIAGES BASEE SUR LE MODELE PROPOSE PAR CHUDNOVSKY ET AL. UN EXAMEN DE L'ENSEMBLE DES RESULTATS MONTRE QUE POUR LES ALLIAGES A FAIBLE ANISOTROPIE, LA CONSTANTE D'ANISOTROPIE LOCALE K1 EST PRATIQUEMENT INDEPENDANTE DE LA CONCENTRATION DE R LA LONGUEUR DE CORRELATION FERROMAGNETIQUE RF DECROIT EN FONCTION DE R. LA LONGUEUR DE CORRELATION STRUCTURALE RA EST DE L'ORDRE DE QUELQUES A. LES MESURES D'AIMANTATION A CHAMP FORT DE CERTAINS ALLIAGES A 4.2 K NOUS A PERMIS D'OBSERVER UNE TRANSITION MAGNETIQUE QUI SEPARE DEUX REGIONS DE CHAMP MAGNETIQUE. CETTE TRANSITION MET EN EVIDENCE LA BRISURE DU COUPLAGE ANTIFERROMAGNETIQUE QUI SE MANIFESTE PAR UNE AUGMENTATION DE L'AIMANTATION EN FONCTION DU CHAMP. NOUS AVONS AMELIORE LE MODELE DE VERHOEF, EN TENANT COMPTE DE LA CONSTANTE D'ANISOTROPIE DU METAL DE TRANSITION K#T
Book Synopsis Nanomagnetism and Spintronics by : Teruya Shinjo
Download or read book Nanomagnetism and Spintronics written by Teruya Shinjo and published by Elsevier. This book was released on 2013-10-07 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concise and accessible chapters of Nanomagnetism and Spintronics, Second Edition, cover the most recent research in areas of spin-current generation, spin-calorimetric effect, voltage effects on magnetic properties, spin-injection phenomena, giant magnetoresistance (GMR), and tunnel magnetoresistance (TMR). Spintronics is a cutting-edge area in the field of magnetism that studies the interplay of magnetism and transport phenomena, demonstrating how electrons not only have charge but also spin. This second edition provides the background to understand this novel physical phenomenon and focuses on the most recent developments and research relating to spintronics. This exciting new edition is an essential resource for graduate students, researchers, and professionals in industry who want to understand the concepts of spintronics, and keep up with recent research, all in one volume. Provides a concise, thorough evaluation of current research Surveys the important findings up to 2012 Examines the future of devices and the importance of spin current
Download or read book Modern Condensed Matter written by and published by . This book was released on 2020 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spintronic 2D Materials by : Wenqing Liu
Download or read book Spintronic 2D Materials written by Wenqing Liu and published by Elsevier. This book was released on 2019-06-15 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spintronic 2D Materials: Fundamentals and Applications provides an overview of the fundamental theory of 2D electronic systems that includes a selection of the most intensively investigated 2D materials. The book tells the story of 2D spintronics in a systematic and comprehensive way, providing the growing community of spintronics researchers with a key reference. Part One addresses the fundamental theoretical aspects of 2D materials and spin transport, while Parts Two through Four explore 2D material systems, including graphene, topological insulators, and transition metal dichalcogenides. Each section discusses properties, key issues and recent developments. In addition, the material growth method (from lab to mass production), device fabrication and characterization techniques are included throughout the book. Discusses the fundamentals and applications of spintronics of 2D materials, such as graphene, topological insulators and transition metal dichalcogenides Includes an in-depth look at each materials system, from material growth, device fabrication and characterization techniques Presents the latest solutions on key challenges, such as the spin lifetime of 2D materials, spin-injection efficiency, the potential proximity effects, and much more
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1998 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetism in Carbon Nanostructures by : Frank Hagelberg
Download or read book Magnetism in Carbon Nanostructures written by Frank Hagelberg and published by . This book was released on 2017 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive survey of carbon nanostructure magnetism, emphasizing both the fundamental nature of the field and its groundbreaking nanotechnological applications.
