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Spin–lattice relaxation in the bcc phase of phase-separated 3 He – 4 He solid mixtures
The spin–lattice relaxation time in two samples of 3 He – 4 He solid mixtures with initial concentrations of 0.5% 3 He in 4 He and 0.5% 4 He in 3 He is measured by the pulsed NMR method. As a result of phase separation, in both cases two-phase crystals form, having the same helium concentration in t...
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| Published in: | Low temperature physics (Woodbury, N.Y.) N.Y.), 2002-04, Vol.28 (4), p.239-241 |
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| Format: | Article |
| Language: | English |
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| container_end_page | 241 |
| container_issue | 4 |
| container_start_page | 239 |
| container_title | Low temperature physics (Woodbury, N.Y.) |
| container_volume | 28 |
| creator | Mikhin, N. P. Maidanov, V. A. Polev, A. V. |
| description | The spin–lattice relaxation time in two samples of
3
He
–
4
He
solid mixtures with initial concentrations of 0.5%
3
He
in
4
He
and 0.5%
4
He
in
3
He
is measured by the pulsed NMR method. As a result of phase separation, in both cases two-phase crystals form, having the same helium concentration in the concentrated bcc phase. However, in the first sample the bcc phase forms as small inclusions in an hcp matrix, while in the second sample the bcc phase is the matrix. It is established that in the second case the spin–lattice relaxation occurs in the same way as in pure bulk
3
He
,
while in the first case one observes anomalous behavior of the spin–lattice relaxation time at low temperatures. Experiments have shown that this anomaly is due not to the possible influence of the small
4
He
impurity but to the small dimensions of the inclusions of the of the bcc phase. In this case the main contribution to the relaxation is apparently due to defects formed at the boundaries of the bcc inclusions and the hcp matrix. |
| doi_str_mv | 10.1063/1.1476577 |
| format | article |
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3
He
–
4
He
solid mixtures with initial concentrations of 0.5%
3
He
in
4
He
and 0.5%
4
He
in
3
He
is measured by the pulsed NMR method. As a result of phase separation, in both cases two-phase crystals form, having the same helium concentration in the concentrated bcc phase. However, in the first sample the bcc phase forms as small inclusions in an hcp matrix, while in the second sample the bcc phase is the matrix. It is established that in the second case the spin–lattice relaxation occurs in the same way as in pure bulk
3
He
,
while in the first case one observes anomalous behavior of the spin–lattice relaxation time at low temperatures. Experiments have shown that this anomaly is due not to the possible influence of the small
4
He
impurity but to the small dimensions of the inclusions of the of the bcc phase. In this case the main contribution to the relaxation is apparently due to defects formed at the boundaries of the bcc inclusions and the hcp matrix.</description><identifier>ISSN: 1063-777X</identifier><identifier>EISSN: 1090-6517</identifier><identifier>DOI: 10.1063/1.1476577</identifier><identifier>CODEN: LTPHEG</identifier><language>eng</language><ispartof>Low temperature physics (Woodbury, N.Y.), 2002-04, Vol.28 (4), p.239-241</ispartof><rights>American Institute of Physics</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids></links><search><creatorcontrib>Mikhin, N. P.</creatorcontrib><creatorcontrib>Maidanov, V. A.</creatorcontrib><creatorcontrib>Polev, A. V.</creatorcontrib><title>Spin–lattice relaxation in the bcc phase of phase-separated 3 He – 4 He solid mixtures</title><title>Low temperature physics (Woodbury, N.Y.)</title><description>The spin–lattice relaxation time in two samples of
3
He
–
4
He
solid mixtures with initial concentrations of 0.5%
3
He
in
4
He
and 0.5%
4
He
in
3
He
is measured by the pulsed NMR method. As a result of phase separation, in both cases two-phase crystals form, having the same helium concentration in the concentrated bcc phase. However, in the first sample the bcc phase forms as small inclusions in an hcp matrix, while in the second sample the bcc phase is the matrix. It is established that in the second case the spin–lattice relaxation occurs in the same way as in pure bulk
3
He
,
while in the first case one observes anomalous behavior of the spin–lattice relaxation time at low temperatures. Experiments have shown that this anomaly is due not to the possible influence of the small
4
He
impurity but to the small dimensions of the inclusions of the of the bcc phase. In this case the main contribution to the relaxation is apparently due to defects formed at the boundaries of the bcc inclusions and the hcp matrix.</description><issn>1063-777X</issn><issn>1090-6517</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqVjs2KwjAQx4O4oO7uYd9gzkLdDNEGz6L0rgfxErLtlGapbUii6M138A19ElsVvAme5gfz_2LsB_kIeSx-cYRjGU-k7LA-8imP4gnKbsuxiKSU6x4beP_POTbfaZ9tltZUl9O51CGYlMBRqQ86mLoCU0EoCP7SFGyhPUGd3yHyZLXTgTIQkBA0dhi34OvSZLA1h7Bz5L_YR65LT9-P-8mGi_lqlkQ-NeFWoawzW-2OCrlqBypUj_XihXhfu6dQ2SwXbyVfAanAWl4</recordid><startdate>200204</startdate><enddate>200204</enddate><creator>Mikhin, N. P.</creator><creator>Maidanov, V. A.</creator><creator>Polev, A. V.</creator><scope/></search><sort><creationdate>200204</creationdate><title>Spin–lattice relaxation in the bcc phase of phase-separated 3 He – 4 He solid mixtures</title><author>Mikhin, N. P. ; Maidanov, V. A. ; Polev, A. V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-scitation_primary_10_1063_1_14765773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mikhin, N. P.</creatorcontrib><creatorcontrib>Maidanov, V. A.</creatorcontrib><creatorcontrib>Polev, A. V.</creatorcontrib><jtitle>Low temperature physics (Woodbury, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mikhin, N. P.</au><au>Maidanov, V. A.</au><au>Polev, A. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spin–lattice relaxation in the bcc phase of phase-separated 3 He – 4 He solid mixtures</atitle><jtitle>Low temperature physics (Woodbury, N.Y.)</jtitle><date>2002-04</date><risdate>2002</risdate><volume>28</volume><issue>4</issue><spage>239</spage><epage>241</epage><pages>239-241</pages><issn>1063-777X</issn><eissn>1090-6517</eissn><coden>LTPHEG</coden><abstract>The spin–lattice relaxation time in two samples of
3
He
–
4
He
solid mixtures with initial concentrations of 0.5%
3
He
in
4
He
and 0.5%
4
He
in
3
He
is measured by the pulsed NMR method. As a result of phase separation, in both cases two-phase crystals form, having the same helium concentration in the concentrated bcc phase. However, in the first sample the bcc phase forms as small inclusions in an hcp matrix, while in the second sample the bcc phase is the matrix. It is established that in the second case the spin–lattice relaxation occurs in the same way as in pure bulk
3
He
,
while in the first case one observes anomalous behavior of the spin–lattice relaxation time at low temperatures. Experiments have shown that this anomaly is due not to the possible influence of the small
4
He
impurity but to the small dimensions of the inclusions of the of the bcc phase. In this case the main contribution to the relaxation is apparently due to defects formed at the boundaries of the bcc inclusions and the hcp matrix.</abstract><doi>10.1063/1.1476577</doi><tpages>3</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1063-777X |
| ispartof | Low temperature physics (Woodbury, N.Y.), 2002-04, Vol.28 (4), p.239-241 |
| issn | 1063-777X 1090-6517 |
| language | eng |
| recordid | cdi_scitation_primary_10_1063_1_1476577 |
| source | American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list) |
| title | Spin–lattice relaxation in the bcc phase of phase-separated 3 He – 4 He solid mixtures |
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