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Influence of Pt thickness on magnetization reversal processes in (Pt/Co)3 multilayers with perpendicular anisotropy

Identifieur interne : 000057 ( PascalFrancis/Corpus ); précédent : 000056; suivant : 000058

Influence of Pt thickness on magnetization reversal processes in (Pt/Co)3 multilayers with perpendicular anisotropy

Auteurs : R. Belhi ; A. Adanlete Adjanoh ; J. Vogel

Source :

RBID : Pascal:12-0171827

Descripteurs français

English descriptors

Abstract

We present a detailed study of the magnetization reversal in perpendicularly magnetized (Pt/Co)3 multilayers with different values of the platinum interlayer thickness tPt. To study the magnetization reversal in our samples we combined measurements of relaxation curves with the direct visualization of domain structures. Magnetization reversal was dominated by domain wall propagation for tPt=1 nm and by domain nucleation for tPt=0.2 nm, while a mixed process was observed for tPt=0.8 nm. We interpret our results within the framework of a model of thermally activated reversal where a distribution of activation energy barriers is taken into account. The reversal process was correlated with the energy barrier distribution.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0304-8853
A02 01      @0 JMMMDC
A03   1    @0 J. magn. magn. mater.
A05       @2 324
A06       @2 11
A08 01  1  ENG  @1 Influence of Pt thickness on magnetization reversal processes in (Pt/Co)3 multilayers with perpendicular anisotropy
A11 01  1    @1 BELHI (R.)
A11 02  1    @1 ADANLETE ADJANOH (A.)
A11 03  1    @1 VOGEL (J.)
A14 01      @1 Département de Physique, Faculté des Sciences de Tunis, Campus Universitaire le Belvédère @2 Tunis 1060 @3 TUN @Z 1 aut. @Z 2 aut.
A14 02      @1 Institut Néel (CNRS and UJF), 25 rue des Martyrs, B.P. 166 @2 38042 Grenoble @3 FRA @Z 3 aut.
A20       @1 1869-1877
A21       @1 2012
A23 01      @0 ENG
A43 01      @1 INIST @2 17230 @5 354000509266590010
A44       @0 0000 @1 © 2012 INIST-CNRS. All rights reserved.
A45       @0 25 ref.
A47 01  1    @0 12-0171827
A60       @1 P
A61       @0 A
A64 01  1    @0 Journal of magnetism and magnetic materials
A66 01      @0 NLD
C01 01    ENG  @0 We present a detailed study of the magnetization reversal in perpendicularly magnetized (Pt/Co)3 multilayers with different values of the platinum interlayer thickness tPt. To study the magnetization reversal in our samples we combined measurements of relaxation curves with the direct visualization of domain structures. Magnetization reversal was dominated by domain wall propagation for tPt=1 nm and by domain nucleation for tPt=0.2 nm, while a mixed process was observed for tPt=0.8 nm. We interpret our results within the framework of a model of thermally activated reversal where a distribution of activation energy barriers is taken into account. The reversal process was correlated with the energy barrier distribution.
C02 01  3    @0 001B70E70C
C03 01  3  FRE  @0 Epaisseur @5 02
C03 01  3  ENG  @0 Thickness @5 02
C03 02  3  FRE  @0 Inversion aimantation @5 03
C03 02  3  ENG  @0 Magnetization reversal @5 03
C03 03  3  FRE  @0 Relaxation magnétique @5 05
C03 03  3  ENG  @0 Magnetic relaxation @5 05
C03 04  3  FRE  @0 Hystérésis magnétique @5 06
C03 04  3  ENG  @0 Magnetic hysteresis @5 06
C03 05  3  FRE  @0 Structure domaine @5 07
C03 05  3  ENG  @0 Domain structure @5 07
C03 06  X  FRE  @0 Mouvement paroi domaine @5 08
C03 06  X  ENG  @0 Domain wall motion @5 08
C03 06  X  SPA  @0 Movimiento pared dominio @5 08
C03 07  3  FRE  @0 Energie activation @5 09
C03 07  3  ENG  @0 Activation energy @5 09
C03 08  X  FRE  @0 Barrière énergie @5 10
C03 08  X  ENG  @0 Energy barrier @5 10
C03 08  X  SPA  @0 Barrera energía @5 10
C03 09  3  FRE  @0 Aimantation @5 11
C03 09  3  ENG  @0 Magnetization @5 11
C03 10  3  FRE  @0 Effet Kerr magnétooptique @5 12
C03 10  3  ENG  @0 Kerr magneto-optical effect @5 12
C03 11  3  FRE  @0 Multicouche @5 15
C03 11  3  ENG  @0 Multilayers @5 15
C03 12  3  FRE  @0 Platine @2 NC @5 16
C03 12  3  ENG  @0 Platinum @2 NC @5 16
C03 13  3  FRE  @0 Cobalt @2 NC @5 17
C03 13  3  ENG  @0 Cobalt @2 NC @5 17
C03 14  3  FRE  @0 Pt @4 INC @5 52
N21       @1 129

Format Inist (serveur)

NO : PASCAL 12-0171827 INIST
ET : Influence of Pt thickness on magnetization reversal processes in (Pt/Co)3 multilayers with perpendicular anisotropy
AU : BELHI (R.); ADANLETE ADJANOH (A.); VOGEL (J.)
AF : Département de Physique, Faculté des Sciences de Tunis, Campus Universitaire le Belvédère/Tunis 1060/Tunisie (1 aut., 2 aut.); Institut Néel (CNRS and UJF), 25 rue des Martyrs, B.P. 166/38042 Grenoble/France (3 aut.)
DT : Publication en série; Niveau analytique
SO : Journal of magnetism and magnetic materials; ISSN 0304-8853; Coden JMMMDC; Pays-Bas; Da. 2012; Vol. 324; No. 11; Pp. 1869-1877; Bibl. 25 ref.
LA : Anglais
EA : We present a detailed study of the magnetization reversal in perpendicularly magnetized (Pt/Co)3 multilayers with different values of the platinum interlayer thickness tPt. To study the magnetization reversal in our samples we combined measurements of relaxation curves with the direct visualization of domain structures. Magnetization reversal was dominated by domain wall propagation for tPt=1 nm and by domain nucleation for tPt=0.2 nm, while a mixed process was observed for tPt=0.8 nm. We interpret our results within the framework of a model of thermally activated reversal where a distribution of activation energy barriers is taken into account. The reversal process was correlated with the energy barrier distribution.
CC : 001B70E70C
FD : Epaisseur; Inversion aimantation; Relaxation magnétique; Hystérésis magnétique; Structure domaine; Mouvement paroi domaine; Energie activation; Barrière énergie; Aimantation; Effet Kerr magnétooptique; Multicouche; Platine; Cobalt; Pt
ED : Thickness; Magnetization reversal; Magnetic relaxation; Magnetic hysteresis; Domain structure; Domain wall motion; Activation energy; Energy barrier; Magnetization; Kerr magneto-optical effect; Multilayers; Platinum; Cobalt
SD : Movimiento pared dominio; Barrera energía
LO : INIST-17230.354000509266590010
ID : 12-0171827

Links to Exploration step

Pascal:12-0171827

Le document en format XML

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<div type="abstract" xml:lang="en">We present a detailed study of the magnetization reversal in perpendicularly magnetized (Pt/Co)
<sub>3</sub>
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<sub>Pt</sub>
=1 nm and by domain nucleation for t
<sub>Pt</sub>
=0.2 nm, while a mixed process was observed for t
<sub>Pt</sub>
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<sub>3</sub>
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<sub>Pt</sub>
. To study the magnetization reversal in our samples we combined measurements of relaxation curves with the direct visualization of domain structures. Magnetization reversal was dominated by domain wall propagation for t
<sub>Pt</sub>
=1 nm and by domain nucleation for t
<sub>Pt</sub>
=0.2 nm, while a mixed process was observed for t
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<ET>Influence of Pt thickness on magnetization reversal processes in (Pt/Co)
<sub>3</sub>
multilayers with perpendicular anisotropy</ET>
<AU>BELHI (R.); ADANLETE ADJANOH (A.); VOGEL (J.)</AU>
<AF>Département de Physique, Faculté des Sciences de Tunis, Campus Universitaire le Belvédère/Tunis 1060/Tunisie (1 aut., 2 aut.); Institut Néel (CNRS and UJF), 25 rue des Martyrs, B.P. 166/38042 Grenoble/France (3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
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<LA>Anglais</LA>
<EA>We present a detailed study of the magnetization reversal in perpendicularly magnetized (Pt/Co)
<sub>3</sub>
multilayers with different values of the platinum interlayer thickness t
<sub>Pt</sub>
. To study the magnetization reversal in our samples we combined measurements of relaxation curves with the direct visualization of domain structures. Magnetization reversal was dominated by domain wall propagation for t
<sub>Pt</sub>
=1 nm and by domain nucleation for t
<sub>Pt</sub>
=0.2 nm, while a mixed process was observed for t
<sub>Pt</sub>
=0.8 nm. We interpret our results within the framework of a model of thermally activated reversal where a distribution of activation energy barriers is taken into account. The reversal process was correlated with the energy barrier distribution.</EA>
<CC>001B70E70C</CC>
<FD>Epaisseur; Inversion aimantation; Relaxation magnétique; Hystérésis magnétique; Structure domaine; Mouvement paroi domaine; Energie activation; Barrière énergie; Aimantation; Effet Kerr magnétooptique; Multicouche; Platine; Cobalt; Pt</FD>
<ED>Thickness; Magnetization reversal; Magnetic relaxation; Magnetic hysteresis; Domain structure; Domain wall motion; Activation energy; Energy barrier; Magnetization; Kerr magneto-optical effect; Multilayers; Platinum; Cobalt</ED>
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   |type=    RBID
   |clé=     Pascal:12-0171827
   |texte=   Influence of Pt thickness on magnetization reversal processes in (Pt/Co)3 multilayers with perpendicular anisotropy
}}

Wicri

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