Magnetic field dependence of galfenol elastic properties
Elastic shear moduli measurements on Fe 100 − x Ga x ( x = 12 - 33 ) single crystals (via resonant ultrasound spectroscopy) with and without a magnetic field and within 4-300 K are reported. The pronounced softening of the tetragonal shear modulus c ′ is concluded to be, based on magnetoelastic coup...
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| Veröffentlicht in: | Journal of applied physics 2005-05, Vol.97 (10), p.10M315-10M315-3 |
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| container_end_page | 10M315-3 |
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| container_title | Journal of applied physics |
| container_volume | 97 |
| creator | Petculescu, G. Hathaway, K. B. Lograsso, T. A. Wun-Fogle, M. Clark, A. E. |
| description | Elastic shear moduli measurements on
Fe
100
−
x
Ga
x
(
x
=
12
-
33
)
single crystals (via resonant ultrasound spectroscopy) with and without a magnetic field and within 4-300 K are reported. The pronounced softening of the tetragonal shear modulus
c
′
is concluded to be, based on magnetoelastic coupling, the cause of the second peak in the tetragonal magnetostriction constant
λ
100
near
x
=
28
. Exceedingly high
Δ
E
effects
(
∼
25
%
)
, combined with the extreme softness in
c
′
(
c
′
<
10
GPa
)
, suggest structural changes take place, yet, gradual in nature, as the moduli show a smooth dependence on Ga concentration, temperature, and magnetic field. Shear anisotropy
(
c
44
∕
c
′
)
as high as 14.7 was observed for
Fe
71.2
Ga
28.8
. |
| doi_str_mv | 10.1063/1.1855711 |
| format | Article |
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Fe
100
−
x
Ga
x
(
x
=
12
-
33
)
single crystals (via resonant ultrasound spectroscopy) with and without a magnetic field and within 4-300 K are reported. The pronounced softening of the tetragonal shear modulus
c
′
is concluded to be, based on magnetoelastic coupling, the cause of the second peak in the tetragonal magnetostriction constant
λ
100
near
x
=
28
. Exceedingly high
Δ
E
effects
(
∼
25
%
)
, combined with the extreme softness in
c
′
(
c
′
<
10
GPa
)
, suggest structural changes take place, yet, gradual in nature, as the moduli show a smooth dependence on Ga concentration, temperature, and magnetic field. Shear anisotropy
(
c
44
∕
c
′
)
as high as 14.7 was observed for
Fe
71.2
Ga
28.8
.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.1855711</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>American Institute of Physics</publisher><ispartof>Journal of applied physics, 2005-05, Vol.97 (10), p.10M315-10M315-3</ispartof><rights>2005 American Institute of Physics</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c385t-ee34287d372b7314b80ab0383af7119d333b151120d658189eaffea6bfc9e2ff3</citedby><cites>FETCH-LOGICAL-c385t-ee34287d372b7314b80ab0383af7119d333b151120d658189eaffea6bfc9e2ff3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/1.1855711$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,780,784,794,1558,4510,27923,27924,76155,76161</link.rule.ids></links><search><creatorcontrib>Petculescu, G.</creatorcontrib><creatorcontrib>Hathaway, K. B.</creatorcontrib><creatorcontrib>Lograsso, T. A.</creatorcontrib><creatorcontrib>Wun-Fogle, M.</creatorcontrib><creatorcontrib>Clark, A. E.</creatorcontrib><title>Magnetic field dependence of galfenol elastic properties</title><title>Journal of applied physics</title><description>Elastic shear moduli measurements on
Fe
100
−
x
Ga
x
(
x
=
12
-
33
)
single crystals (via resonant ultrasound spectroscopy) with and without a magnetic field and within 4-300 K are reported. The pronounced softening of the tetragonal shear modulus
c
′
is concluded to be, based on magnetoelastic coupling, the cause of the second peak in the tetragonal magnetostriction constant
λ
100
near
x
=
28
. Exceedingly high
Δ
E
effects
(
∼
25
%
)
, combined with the extreme softness in
c
′
(
c
′
<
10
GPa
)
, suggest structural changes take place, yet, gradual in nature, as the moduli show a smooth dependence on Ga concentration, temperature, and magnetic field. Shear anisotropy
(
c
44
∕
c
′
)
as high as 14.7 was observed for
Fe
71.2
Ga
28.8
.</description><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNp1zz9PwzAQh2ELgUQpDHyDrAwpd7k6thckVEFBKmKB2XLsc2UUkijOwren_xiZbnl1-j1C3CIsEGq6xwVqKRXimZghaFMqKeFczAAqLLVR5lJc5fwFgKjJzIR-c9uOp-SLmLgNReCBu8Cd56KPxda1kbu-Lbh1eR8NYz_wOCXO1-IiujbzzenOxefz08fqpdy8r19Xj5vSk5ZTyUzLSqtAqmoU4bLR4BogTS7uRppARA1KxApCLTVqwy5GdnUTveEqRpqLu-NfP_Y5jxztMKZvN_5YBLsnW7Qn8q59OLbZp8lNqe_-j__c9uC2Bzf9AkJTXaQ</recordid><startdate>20050515</startdate><enddate>20050515</enddate><creator>Petculescu, G.</creator><creator>Hathaway, K. B.</creator><creator>Lograsso, T. A.</creator><creator>Wun-Fogle, M.</creator><creator>Clark, A. E.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20050515</creationdate><title>Magnetic field dependence of galfenol elastic properties</title><author>Petculescu, G. ; Hathaway, K. B. ; Lograsso, T. A. ; Wun-Fogle, M. ; Clark, A. E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-ee34287d372b7314b80ab0383af7119d333b151120d658189eaffea6bfc9e2ff3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Petculescu, G.</creatorcontrib><creatorcontrib>Hathaway, K. B.</creatorcontrib><creatorcontrib>Lograsso, T. A.</creatorcontrib><creatorcontrib>Wun-Fogle, M.</creatorcontrib><creatorcontrib>Clark, A. E.</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Petculescu, G.</au><au>Hathaway, K. B.</au><au>Lograsso, T. A.</au><au>Wun-Fogle, M.</au><au>Clark, A. E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetic field dependence of galfenol elastic properties</atitle><jtitle>Journal of applied physics</jtitle><date>2005-05-15</date><risdate>2005</risdate><volume>97</volume><issue>10</issue><spage>10M315</spage><epage>10M315-3</epage><pages>10M315-10M315-3</pages><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>Elastic shear moduli measurements on
Fe
100
−
x
Ga
x
(
x
=
12
-
33
)
single crystals (via resonant ultrasound spectroscopy) with and without a magnetic field and within 4-300 K are reported. The pronounced softening of the tetragonal shear modulus
c
′
is concluded to be, based on magnetoelastic coupling, the cause of the second peak in the tetragonal magnetostriction constant
λ
100
near
x
=
28
. Exceedingly high
Δ
E
effects
(
∼
25
%
)
, combined with the extreme softness in
c
′
(
c
′
<
10
GPa
)
, suggest structural changes take place, yet, gradual in nature, as the moduli show a smooth dependence on Ga concentration, temperature, and magnetic field. Shear anisotropy
(
c
44
∕
c
′
)
as high as 14.7 was observed for
Fe
71.2
Ga
28.8
.</abstract><pub>American Institute of Physics</pub><doi>10.1063/1.1855711</doi><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0021-8979 |
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| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1855711 |
| source | AIP Journals Complete; AIP Digital Archive |
| title | Magnetic field dependence of galfenol elastic properties |
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