ThuliumV1, Pascal, Curation, bibRecord, 001178

The detection of magnetic phase transitions in single crystals of erbium and erbium-thulium by electromagnetic acoustic transducers

Identifieur interne : 001178 ( Pascal/Curation ); précédent : 001177; suivant : 001179

The detection of magnetic phase transitions in single crystals of erbium and erbium-thulium by electromagnetic acoustic transducers

Auteurs : C. M. Lim [Royaume-Uni] ; S. Dixon [Royaume-Uni] ; C. Edwards [Royaume-Uni] ; S. B. Palmer [Royaume-Uni]

Source :

Journal of physics. D. Applied physics [ 0022-3727 ] ; 1998.

RBID : Pascal:98-0304512

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Transition magnétique, Célérité son, Ultrason, Méthode mesure, Onde S, Erbium, Alliage base erbium, Thulium alliage, Alliage binaire, 7530K, Er, Alliage Er91,6Tm8,4, Er Tm.

English descriptors

KwdEn :
- Binary alloys, Erbium, Erbium base alloys, Experimental study, Magnetic transitions, Measuring methods, S waves, Sound velocity, Thulium alloys, Ultrasonic waves.

Abstract

Measurements of ultrasonic shear wave velocity as a function of temperature and applied magnetic field have been performed on single crystals of Er and Er_91.6%Tm_8.4%. Electromagnetic acoustic transducers (EMATs) are used to generate and detect the in-plane radially polarized shear wave. The shear wave is propagated down the c axis of the hexagonal close packed single crystal samples. The EMAT acoustic coupling efficiency has been observed to increase close to the magnetic phase transition temperatures, showing the dominance of the magnetoelastic interactions over the applied-field-dependent Lorentz force mechanism in these samples. Measurement of the EMAT acoustic coupling efficiency is identified as a promising technique for identifying magnetic phase transitions. Because the ultrasound measurement technique is a non-contact one, problems associated with acoustic couplants are avoided.

A01	`01`	`1`		`@0 0022-3727`
A02	`01`			`@0 JPAPBE`
A03		`1`		`@0 J. phys., D, Appl. phys.`
A05				`@2 31`
A06				`@2 11`
A08	`01`	`1`	`ENG`	`@1 The detection of magnetic phase transitions in single crystals of erbium and erbium-thulium by electromagnetic acoustic transducers`
A11	`01`	`1`		`@1 LIM (C. M.)`
A11	`02`	`1`		`@1 DIXON (S.)`
A11	`03`	`1`		`@1 EDWARDS (C.)`
A11	`04`	`1`		`@1 PALMER (S. B.)`
A14	`01`			`@1 Department of Physics, University of Warwick @2 Coventry CV4 7AL @3 GBR @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut.`
A20				`@1 1362-1367`
A21				`@1 1998`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 5841 @5 354000076837910100`
A44				`@0 0000 @1 © 1998 INIST-CNRS. All rights reserved.`
A45				`@0 18 ref.`
A47	`01`	`1`		`@0 98-0304512`
A60				`@1 P`
A61				`@0 A`
A64		`1`		`@0 Journal of physics. D. Applied physics`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 Measurements of ultrasonic shear wave velocity as a function of temperature and applied magnetic field have been performed on single crystals of Er and Er_91.6%Tm_8.4%. Electromagnetic acoustic transducers (EMATs) are used to generate and detect the in-plane radially polarized shear wave. The shear wave is propagated down the c axis of the hexagonal close packed single crystal samples. The EMAT acoustic coupling efficiency has been observed to increase close to the magnetic phase transition temperatures, showing the dominance of the magnetoelastic interactions over the applied-field-dependent Lorentz force mechanism in these samples. Measurement of the EMAT acoustic coupling efficiency is identified as a promising technique for identifying magnetic phase transitions. Because the ultrasound measurement technique is a non-contact one, problems associated with acoustic couplants are avoided.
C02	`01`	`3`		`@0 001B70E30K`
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 Transition magnétique @5 02`
C03	`02`	`3`	`ENG`	`@0 Magnetic transitions @5 02`
C03	`03`	`3`	`FRE`	`@0 Célérité son @5 03`
C03	`03`	`3`	`ENG`	`@0 Sound velocity @5 03`
C03	`04`	`3`	`FRE`	`@0 Ultrason @5 04`
C03	`04`	`3`	`ENG`	`@0 Ultrasonic waves @5 04`
C03	`05`	`3`	`FRE`	`@0 Méthode mesure @5 05`
C03	`05`	`3`	`ENG`	`@0 Measuring methods @5 05`
C03	`06`	`3`	`FRE`	`@0 Onde S @5 06`
C03	`06`	`3`	`ENG`	`@0 S waves @5 06`
C03	`07`	`3`	`FRE`	`@0 Erbium @2 NC @5 11`
C03	`07`	`3`	`ENG`	`@0 Erbium @2 NC @5 11`
C03	`08`	`3`	`FRE`	`@0 Alliage base erbium @2 NK @5 12`
C03	`08`	`3`	`ENG`	`@0 Erbium base alloys @2 NK @5 12`
C03	`09`	`3`	`FRE`	`@0 Thulium alliage @5 13`
C03	`09`	`3`	`ENG`	`@0 Thulium alloys @5 13`
C03	`10`	`3`	`FRE`	`@0 Alliage binaire @5 14`
C03	`10`	`3`	`ENG`	`@0 Binary alloys @5 14`
C03	`11`	`3`	`FRE`	`@0 7530K @2 PAC @4 INC @5 56`
C03	`12`	`3`	`FRE`	`@0 Er @4 INC @5 92`
C03	`13`	`3`	`FRE`	`@0 Alliage Er91,6Tm8,4 @2 NK @4 INC @5 93`
C03	`14`	`3`	`FRE`	`@0 Er Tm @4 INC @5 94`
C07	`01`	`3`	`FRE`	`@0 Lanthanide @2 NC @5 16`
C07	`01`	`3`	`ENG`	`@0 Rare earths @2 NC @5 16`
C07	`02`	`3`	`FRE`	`@0 Lanthanide alliage @5 17`
C07	`02`	`3`	`ENG`	`@0 Rare earth alloys @5 17`
N21				`@1 208`

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Le document en format XML

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<author><name sortKey="Lim, C M" sort="Lim, C M" uniqKey="Lim C" first="C. M." last="Lim">C. M. Lim</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The detection of magnetic phase transitions in single crystals of erbium and erbium-thulium by electromagnetic acoustic transducers</title>
<author><name sortKey="Lim, C M" sort="Lim, C M" uniqKey="Lim C" first="C. M." last="Lim">C. M. Lim</name>
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<author><name sortKey="Edwards, C" sort="Edwards, C" uniqKey="Edwards C" first="C." last="Edwards">C. Edwards</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics, University of Warwick</s1>
<s2>Coventry CV4 7AL</s2>
<s3>GBR</s3>
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<author><name sortKey="Palmer, S B" sort="Palmer, S B" uniqKey="Palmer S" first="S. B." last="Palmer">S. B. Palmer</name>
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<series><title level="j" type="main">Journal of physics. D. Applied physics</title>
<title level="j" type="abbreviated">J. phys., D, Appl. phys.</title>
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<imprint><date when="1998">1998</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Binary alloys</term>
<term>Erbium</term>
<term>Erbium base alloys</term>
<term>Experimental study</term>
<term>Magnetic transitions</term>
<term>Measuring methods</term>
<term>S waves</term>
<term>Sound velocity</term>
<term>Thulium alloys</term>
<term>Ultrasonic waves</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Transition magnétique</term>
<term>Célérité son</term>
<term>Ultrason</term>
<term>Méthode mesure</term>
<term>Onde S</term>
<term>Erbium</term>
<term>Alliage base erbium</term>
<term>Thulium alliage</term>
<term>Alliage binaire</term>
<term>7530K</term>
<term>Er</term>
<term>Alliage Er91,6Tm8,4</term>
<term>Er Tm</term>
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<front><div type="abstract" xml:lang="en">Measurements of ultrasonic shear wave velocity as a function of temperature and applied magnetic field have been performed on single crystals of Er and Er<sub>91.6%</sub>
Tm<sub>8.4%</sub>
. Electromagnetic acoustic transducers (EMATs) are used to generate and detect the in-plane radially polarized shear wave. The shear wave is propagated down the c axis of the hexagonal close packed single crystal samples. The EMAT acoustic coupling efficiency has been observed to increase close to the magnetic phase transition temperatures, showing the dominance of the magnetoelastic interactions over the applied-field-dependent Lorentz force mechanism in these samples. Measurement of the EMAT acoustic coupling efficiency is identified as a promising technique for identifying magnetic phase transitions. Because the ultrasound measurement technique is a non-contact one, problems associated with acoustic couplants are avoided.</div>
</front>
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<fA11 i1="01" i2="1"><s1>LIM (C. M.)</s1>
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<fC01 i1="01" l="ENG"><s0>Measurements of ultrasonic shear wave velocity as a function of temperature and applied magnetic field have been performed on single crystals of Er and Er<sub>91.6%</sub>
Tm<sub>8.4%</sub>
. Electromagnetic acoustic transducers (EMATs) are used to generate and detect the in-plane radially polarized shear wave. The shear wave is propagated down the c axis of the hexagonal close packed single crystal samples. The EMAT acoustic coupling efficiency has been observed to increase close to the magnetic phase transition temperatures, showing the dominance of the magnetoelastic interactions over the applied-field-dependent Lorentz force mechanism in these samples. Measurement of the EMAT acoustic coupling efficiency is identified as a promising technique for identifying magnetic phase transitions. Because the ultrasound measurement technique is a non-contact one, problems associated with acoustic couplants are avoided.</s0>
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<s5>02</s5>
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<s5>04</s5>
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<s5>05</s5>
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<fC03 i1="05" i2="3" l="ENG"><s0>Measuring methods</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Onde S</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>S waves</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Erbium</s0>
<s2>NC</s2>
<s5>11</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>Erbium</s0>
<s2>NC</s2>
<s5>11</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Alliage base erbium</s0>
<s2>NK</s2>
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</fC03>
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<s2>NK</s2>
<s5>12</s5>
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<s5>13</s5>
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<s5>13</s5>
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<fC03 i1="10" i2="3" l="FRE"><s0>Alliage binaire</s0>
<s5>14</s5>
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<s5>14</s5>
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<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
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<s4>INC</s4>
<s5>92</s5>
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<fC03 i1="13" i2="3" l="FRE"><s0>Alliage Er91,6Tm8,4</s0>
<s2>NK</s2>
<s4>INC</s4>
<s5>93</s5>
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<fC03 i1="14" i2="3" l="FRE"><s0>Er Tm</s0>
<s4>INC</s4>
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<s5>17</s5>
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<s5>17</s5>
</fC07>
<fN21><s1>208</s1>
</fN21>
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The detection of magnetic phase transitions in single crystals of erbium and erbium-thulium by electromagnetic acoustic transducers

The detection of magnetic phase transitions in single crystals of erbium and erbium-thulium by electromagnetic acoustic transducers

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Descripteurs français

English descriptors

Abstract

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