CobaltMaghrebV1, PascalFrancis, Corpus, bibRecord, 000310

Magnetic and magneto-optical studies in Co-Tb/Pt multilayers

Identifieur interne : 000310 ( PascalFrancis/Corpus ); précédent : 000309; suivant : 000311

Magnetic and magneto-optical studies in Co-Tb/Pt multilayers

Auteurs : H. Hamouda ; H. Lassri ; R. Krishnan ; D. Saifaoui

Source :

Solid state communications [ 0038-1098 ] ; 1998.

RBID : Pascal:98-0509397

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Multicouche, Effet Kerr magnétooptique, Aimantation saturation, Force coercitive, Superréseau, Anisotropie magnétique, Hystérésis magnétique, Cobalt alliage, Terbium alliage, Platine, Alliage binaire, 7570C, Alliage CoTb, Pt, Co Tb.

English descriptors

KwdEn :
- Binary alloys, Cobalt alloys, Coercive force, Experimental study, Kerr magneto-optical effect, Magnetic anisotropy, Magnetic hysteresis, Multilayers, Platinum, Saturation magnetization, Superlattices, Terbium alloys.

Abstract

We have prepared Co₈₆Tb₁₄/Pt multilayers by r.f. sputtering and studied their magnetic and magneto-optical properties. As the Co-Tb layer thickness (t_CoTb) decreases below 200A the saturation magnetization increases, the rectangularity of the M-H loops and the coercivity decrease. The effective anisotropy K_eff of the multilayers was determined by a torque magnetometer. The product K_eff X t_CoTb shows a linear dependence with t_CoTb as normally found for the superlattices yielding the bulk and surface anisotropies of 1 x 10 erg cm^-3 and - 0.2 erg cm^-2, respectively. These results are explained in terms of an interfacial Co-Pt layer. The polar Kerr rotation for the multilayers is found independent of layer thickness and is equal to 11.5 min, which is higher than the single thick layer.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0038-1098`
A02	`01`			`@0 SSCOA4`
A03		`1`		`@0 Solid state commun.`
A05				`@2 108`
A06				`@2 7`
A08	`01`	`1`	`ENG`	`@1 Magnetic and magneto-optical studies in Co-Tb/Pt multilayers`
A11	`01`	`1`		`@1 HAMOUDA (H.)`
A11	`02`	`1`		`@1 LASSRI (H.)`
A11	`03`	`1`		`@1 KRISHNAN (R.)`
A11	`04`	`1`		`@1 SAIFAOUI (D.)`
A14	`01`			`@1 Laboratoire de Physique Théorique, Université Hassan II, Faculté des Sciences, B.P. 5366 Maârif, Ain Chock, Route d'El Jadida km-8 @2 Casablanca @3 MAR @Z 1 aut. @Z 4 aut.`
A14	`02`			`@1 Laboratoire de Physique des Matériaux et de Microélectronique, Université Hassan II, Faculté des Sciences, B.P.5366 Maârif, Ain Chock, Route d'El Jadida km-8 @2 Casablanca @3 MAR @Z 2 aut.`
A14	`03`			`@1 Laboratoire de Magnétisme et d'Optique de l'Université de Versailles, CNRS, URA 1531, 45, Avenue des Etats-Unis @2 78035 Versailles @3 FRA @Z 3 aut.`
A20				`@1 451-455`
A21				`@1 1998`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 10917 @5 354000071565740100`
A44				`@0 0000 @1 © 1998 INIST-CNRS. All rights reserved.`
A45				`@0 26 ref.`
A47	`01`	`1`		`@0 98-0509397`
A60				`@1 P`
A61				`@0 A`
A64		`1`		`@0 Solid state communications`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 We have prepared Co₈₆Tb₁₄/Pt multilayers by r.f. sputtering and studied their magnetic and magneto-optical properties. As the Co-Tb layer thickness (t_CoTb) decreases below 200A the saturation magnetization increases, the rectangularity of the M-H loops and the coercivity decrease. The effective anisotropy K_eff of the multilayers was determined by a torque magnetometer. The product K_eff X t_CoTb shows a linear dependence with t_CoTb as normally found for the superlattices yielding the bulk and surface anisotropies of 1 x 10 erg cm^-3 and - 0.2 erg cm^-2, respectively. These results are explained in terms of an interfacial Co-Pt layer. The polar Kerr rotation for the multilayers is found independent of layer thickness and is equal to 11.5 min, which is higher than the single thick layer.
C02	`01`	`3`		`@0 001B70E70C`
C02	`02`	`X`		`@0 240`
C03	`01`	`3`	`FRE`	`@0 Etude expérimentale @5 01`
C03	`01`	`3`	`ENG`	`@0 Experimental study @5 01`
C03	`02`	`3`	`FRE`	`@0 Multicouche @5 02`
C03	`02`	`3`	`ENG`	`@0 Multilayers @5 02`
C03	`03`	`3`	`FRE`	`@0 Effet Kerr magnétooptique @5 03`
C03	`03`	`3`	`ENG`	`@0 Kerr magneto-optical effect @5 03`
C03	`04`	`X`	`FRE`	`@0 Aimantation saturation @5 04`
C03	`04`	`X`	`ENG`	`@0 Saturation magnetization @5 04`
C03	`04`	`X`	`SPA`	`@0 Imanación saturación @5 04`
C03	`05`	`3`	`FRE`	`@0 Force coercitive @5 05`
C03	`05`	`3`	`ENG`	`@0 Coercive force @5 05`
C03	`06`	`3`	`FRE`	`@0 Superréseau @5 06`
C03	`06`	`3`	`ENG`	`@0 Superlattices @5 06`
C03	`07`	`3`	`FRE`	`@0 Anisotropie magnétique @5 07`
C03	`07`	`3`	`ENG`	`@0 Magnetic anisotropy @5 07`
C03	`08`	`3`	`FRE`	`@0 Hystérésis magnétique @5 08`
C03	`08`	`3`	`ENG`	`@0 Magnetic hysteresis @5 08`
C03	`09`	`3`	`FRE`	`@0 Cobalt alliage @5 12`
C03	`09`	`3`	`ENG`	`@0 Cobalt alloys @5 12`
C03	`10`	`3`	`FRE`	`@0 Terbium alliage @5 13`
C03	`10`	`3`	`ENG`	`@0 Terbium alloys @5 13`
C03	`11`	`3`	`FRE`	`@0 Platine @2 NC @5 14`
C03	`11`	`3`	`ENG`	`@0 Platinum @2 NC @5 14`
C03	`12`	`3`	`FRE`	`@0 Alliage binaire @5 15`
C03	`12`	`3`	`ENG`	`@0 Binary alloys @5 15`
C03	`13`	`3`	`FRE`	`@0 7570C @2 PAC @4 INC @5 56`
C03	`14`	`3`	`FRE`	`@0 Alliage CoTb @2 NK @4 INC @5 92`
C03	`15`	`3`	`FRE`	`@0 Pt @4 INC @5 93`
C03	`16`	`3`	`FRE`	`@0 Co Tb @4 INC @5 94`
C07	`01`	`3`	`FRE`	`@0 Métal transition alliage @5 16`
C07	`01`	`3`	`ENG`	`@0 Transition element alloys @5 16`
C07	`02`	`3`	`FRE`	`@0 Métal transition @5 17`
C07	`02`	`3`	`ENG`	`@0 Transition elements @5 17`
N21				`@1 334`

Format Inist (serveur)

NO :	PASCAL 98-0509397 INIST
ET :	Magnetic and magneto-optical studies in Co-Tb/Pt multilayers
AU :	HAMOUDA (H.); LASSRI (H.); KRISHNAN (R.); SAIFAOUI (D.)
AF :	Laboratoire de Physique Théorique, Université Hassan II, Faculté des Sciences, B.P. 5366 Maârif, Ain Chock, Route d'El Jadida km-8/Casablanca/Maroc (1 aut., 4 aut.); Laboratoire de Physique des Matériaux et de Microélectronique, Université Hassan II, Faculté des Sciences, B.P.5366 Maârif, Ain Chock, Route d'El Jadida km-8/Casablanca/Maroc (2 aut.); Laboratoire de Magnétisme et d'Optique de l'Université de Versailles, CNRS, URA 1531, 45, Avenue des Etats-Unis/78035 Versailles/France (3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Solid state communications; ISSN 0038-1098; Coden SSCOA4; Etats-Unis; Da. 1998; Vol. 108; No. 7; Pp. 451-455; Bibl. 26 ref.
LA :	Anglais
EA :	We have prepared Co₈₆Tb₁₄/Pt multilayers by r.f. sputtering and studied their magnetic and magneto-optical properties. As the Co-Tb layer thickness (t_CoTb) decreases below 200A the saturation magnetization increases, the rectangularity of the M-H loops and the coercivity decrease. The effective anisotropy K_eff of the multilayers was determined by a torque magnetometer. The product K_eff X t_CoTb shows a linear dependence with t_CoTb as normally found for the superlattices yielding the bulk and surface anisotropies of 1 x 10 erg cm^-3 and - 0.2 erg cm^-2, respectively. These results are explained in terms of an interfacial Co-Pt layer. The polar Kerr rotation for the multilayers is found independent of layer thickness and is equal to 11.5 min, which is higher than the single thick layer.
CC :	001B70E70C; 240
FD :	Etude expérimentale; Multicouche; Effet Kerr magnétooptique; Aimantation saturation; Force coercitive; Superréseau; Anisotropie magnétique; Hystérésis magnétique; Cobalt alliage; Terbium alliage; Platine; Alliage binaire; 7570C; Alliage CoTb; Pt; Co Tb
FG :	Métal transition alliage; Métal transition
ED :	Experimental study; Multilayers; Kerr magneto-optical effect; Saturation magnetization; Coercive force; Superlattices; Magnetic anisotropy; Magnetic hysteresis; Cobalt alloys; Terbium alloys; Platinum; Binary alloys
EG :	Transition element alloys; Transition elements
SD :	Imanación saturación
LO :	INIST-10917.354000071565740100
ID :	98-0509397

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Pascal:98-0509397

Le document en format XML

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<term>Cobalt alliage</term>
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<front><div type="abstract" xml:lang="en">We have prepared Co<sub>86</sub>
Tb<sub>14</sub>
/Pt multilayers by r.f. sputtering and studied their magnetic and magneto-optical properties. As the Co-Tb layer thickness (t<sub>CoTb</sub>
) decreases below 200A the saturation magnetization increases, the rectangularity of the M-H loops and the coercivity decrease. The effective anisotropy K<sub>eff</sub>
 of the multilayers was determined by a torque magnetometer. The product K<sub>eff</sub>
 X t<sub>CoTb</sub>
 shows a linear dependence with t<sub>CoTb</sub>
 as normally found for the superlattices yielding the bulk and surface anisotropies of 1 x 10 erg cm<sup>-3</sup>
 and - 0.2 erg cm<sup>-2</sup>
, respectively. These results are explained in terms of an interfacial Co-Pt layer. The polar Kerr rotation for the multilayers is found independent of layer thickness and is equal to 11.5 min, which is higher than the single thick layer.</div>
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<fA14 i1="01"><s1>Laboratoire de Physique Théorique, Université Hassan II, Faculté des Sciences, B.P. 5366 Maârif, Ain Chock, Route d'El Jadida km-8</s1>
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<fA14 i1="02"><s1>Laboratoire de Physique des Matériaux et de Microélectronique, Université Hassan II, Faculté des Sciences, B.P.5366 Maârif, Ain Chock, Route d'El Jadida km-8</s1>
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<sZ>2 aut.</sZ>
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<fA14 i1="03"><s1>Laboratoire de Magnétisme et d'Optique de l'Université de Versailles, CNRS, URA 1531, 45, Avenue des Etats-Unis</s1>
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<fC01 i1="01" l="ENG"><s0>We have prepared Co<sub>86</sub>
Tb<sub>14</sub>
/Pt multilayers by r.f. sputtering and studied their magnetic and magneto-optical properties. As the Co-Tb layer thickness (t<sub>CoTb</sub>
) decreases below 200A the saturation magnetization increases, the rectangularity of the M-H loops and the coercivity decrease. The effective anisotropy K<sub>eff</sub>
 of the multilayers was determined by a torque magnetometer. The product K<sub>eff</sub>
 X t<sub>CoTb</sub>
 shows a linear dependence with t<sub>CoTb</sub>
 as normally found for the superlattices yielding the bulk and surface anisotropies of 1 x 10 erg cm<sup>-3</sup>
 and - 0.2 erg cm<sup>-2</sup>
, respectively. These results are explained in terms of an interfacial Co-Pt layer. The polar Kerr rotation for the multilayers is found independent of layer thickness and is equal to 11.5 min, which is higher than the single thick layer.</s0>
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<s5>01</s5>
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<fC03 i1="02" i2="3" l="FRE"><s0>Multicouche</s0>
<s5>02</s5>
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<s5>02</s5>
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<s5>03</s5>
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<fC03 i1="03" i2="3" l="ENG"><s0>Kerr magneto-optical effect</s0>
<s5>03</s5>
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<s5>04</s5>
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<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Imanación saturación</s0>
<s5>04</s5>
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<s5>05</s5>
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<s5>05</s5>
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<s5>06</s5>
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<s5>06</s5>
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<s5>07</s5>
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<s5>07</s5>
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<s5>08</s5>
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<s5>08</s5>
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<fC03 i1="09" i2="3" l="FRE"><s0>Cobalt alliage</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Cobalt alloys</s0>
<s5>12</s5>
</fC03>
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<s5>13</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Terbium alloys</s0>
<s5>13</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Platine</s0>
<s2>NC</s2>
<s5>14</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG"><s0>Platinum</s0>
<s2>NC</s2>
<s5>14</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE"><s0>Alliage binaire</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG"><s0>Binary alloys</s0>
<s5>15</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE"><s0>7570C</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE"><s0>Alliage CoTb</s0>
<s2>NK</s2>
<s4>INC</s4>
<s5>92</s5>
</fC03>
<fC03 i1="15" i2="3" l="FRE"><s0>Pt</s0>
<s4>INC</s4>
<s5>93</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE"><s0>Co Tb</s0>
<s4>INC</s4>
<s5>94</s5>
</fC03>
<fC07 i1="01" i2="3" l="FRE"><s0>Métal transition alliage</s0>
<s5>16</s5>
</fC07>
<fC07 i1="01" i2="3" l="ENG"><s0>Transition element alloys</s0>
<s5>16</s5>
</fC07>
<fC07 i1="02" i2="3" l="FRE"><s0>Métal transition</s0>
<s5>17</s5>
</fC07>
<fC07 i1="02" i2="3" l="ENG"><s0>Transition elements</s0>
<s5>17</s5>
</fC07>
<fN21><s1>334</s1>
</fN21>
</pA>
</standard>
<server><NO>PASCAL 98-0509397 INIST</NO>
<ET>Magnetic and magneto-optical studies in Co-Tb/Pt multilayers</ET>
<AU>HAMOUDA (H.); LASSRI (H.); KRISHNAN (R.); SAIFAOUI (D.)</AU>
<AF>Laboratoire de Physique Théorique, Université Hassan II, Faculté des Sciences, B.P. 5366 Maârif, Ain Chock, Route d'El Jadida km-8/Casablanca/Maroc (1 aut., 4 aut.); Laboratoire de Physique des Matériaux et de Microélectronique, Université Hassan II, Faculté des Sciences, B.P.5366 Maârif, Ain Chock, Route d'El Jadida km-8/Casablanca/Maroc (2 aut.); Laboratoire de Magnétisme et d'Optique de l'Université de Versailles, CNRS, URA 1531, 45, Avenue des Etats-Unis/78035 Versailles/France (3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Solid state communications; ISSN 0038-1098; Coden SSCOA4; Etats-Unis; Da. 1998; Vol. 108; No. 7; Pp. 451-455; Bibl. 26 ref.</SO>
<LA>Anglais</LA>
<EA>We have prepared Co<sub>86</sub>
Tb<sub>14</sub>
/Pt multilayers by r.f. sputtering and studied their magnetic and magneto-optical properties. As the Co-Tb layer thickness (t<sub>CoTb</sub>
) decreases below 200A the saturation magnetization increases, the rectangularity of the M-H loops and the coercivity decrease. The effective anisotropy K<sub>eff</sub>
 of the multilayers was determined by a torque magnetometer. The product K<sub>eff</sub>
 X t<sub>CoTb</sub>
 shows a linear dependence with t<sub>CoTb</sub>
 as normally found for the superlattices yielding the bulk and surface anisotropies of 1 x 10 erg cm<sup>-3</sup>
 and - 0.2 erg cm<sup>-2</sup>
, respectively. These results are explained in terms of an interfacial Co-Pt layer. The polar Kerr rotation for the multilayers is found independent of layer thickness and is equal to 11.5 min, which is higher than the single thick layer.</EA>
<CC>001B70E70C; 240</CC>
<FD>Etude expérimentale; Multicouche; Effet Kerr magnétooptique; Aimantation saturation; Force coercitive; Superréseau; Anisotropie magnétique; Hystérésis magnétique; Cobalt alliage; Terbium alliage; Platine; Alliage binaire; 7570C; Alliage CoTb; Pt; Co Tb</FD>
<FG>Métal transition alliage; Métal transition</FG>
<ED>Experimental study; Multilayers; Kerr magneto-optical effect; Saturation magnetization; Coercive force; Superlattices; Magnetic anisotropy; Magnetic hysteresis; Cobalt alloys; Terbium alloys; Platinum; Binary alloys</ED>
<EG>Transition element alloys; Transition elements</EG>
<SD>Imanación saturación</SD>
<LO>INIST-10917.354000071565740100</LO>
<ID>98-0509397</ID>
</server>
</inist>
</record>

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Magnetic and magneto-optical studies in Co-Tb/Pt multilayers

Magnetic and magneto-optical studies in Co-Tb/Pt multilayers

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