Tricarboxylate-based Gd coordination polymers exhibiting large magnetocaloric effects
Two Gd III coordination polymers with the formula [Gd(cit)(H 2 O)] ∞ ( 1 ) and [Gd(nta)(H 2 O) 2 ] ∞ ( 2 ) (H 4 cit = citric acid, H 3 nta = nitrilotriacetic acid) have been successfully prepared under hydrothermal conditions. Complex 1 exhibits a three-dimensional (3D) structure based on carboxylat...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2016-05, Vol.45 (22), p.929-9215 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
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| creator | Liu, Sui-Jun Cao, Chen Xie, Chen-Chao Zheng, Teng-Fei Tong, Xiao-Lan Liao, Jin-Sheng Chen, Jing-Lin Wen, He-Rui Chang, Ze Bu, Xian-He |
| description | Two Gd
III
coordination polymers with the formula [Gd(cit)(H
2
O)]
∞
(
1
) and [Gd(nta)(H
2
O)
2
]
∞
(
2
) (H
4
cit = citric acid, H
3
nta = nitrilotriacetic acid) have been successfully prepared under hydrothermal conditions. Complex
1
exhibits a three-dimensional (3D) structure based on carboxylate-bridged layers, while complex
2
is a double-layer structure containing eight-coordinated Gd
III
. Magnetic investigations reveal that weak antiferromagnetic couplings between adjacent Gd
III
ions in both
1
and
2
with different Weiss values result in large cryogenic magnetocaloric effects. It is notable that the maximum entropy changes (−Δ
S
max
m
) of
1
and
2
reach 31.3 J kg
−1
K
−1
and 32.2 J kg
−1
K
−1
at 2 K for a moderate field change (Δ
H
= 3 T), and a remarkable −Δ
S
max
m
(41.5 J kg
−1
K
−1
for
1
and 42.0 J kg
−1
K
−1
for
2
) could be obtained for Δ
H
= 7 T.
Hydrothermal reactions of Gd
2
O
3
and two tricarboxylates generated two carboxylate-bridged 2D/3D Gd
III
coordination polymers with large magnetocaloric effects. |
| doi_str_mv | 10.1039/c6dt01349j |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_pubme</sourceid><recordid>TN_cdi_proquest_miscellaneous_1793566290</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1793566290</sourcerecordid><originalsourceid>FETCH-LOGICAL-p148t-2b17521a15c302d37debc2ad10015c276e1fdca65e5d7dd896cc97fb0753978b3</originalsourceid><addsrcrecordid>eNpFkL1PwzAUxC0EoqWwsIM8sgT8kcT1iCooSJVY2jnyx0txlcTBdqXmvydSS9Eb7unupxsOoXtKninh8sWUNhHKc7m7QFOaC5FJxvPL88_KCbqJcUcIY6Rg12jCBB0vz6dosw7OqKD9YWhUgkyrCBYvLTbeB-s6lZzvcO-boYUQMRy-nXbJdVvcqLAF3KptB8kb1fixCENdg0nxFl3Vqolwd9IZ2ry_rRcf2epr-bl4XWU9zecpY5qKglFFC8MJs1xY0IYpSwkZLSZKoLU1qiygsMLauSyNkaLWRBRcirnmM_R07O2D_9lDTFXrooGmUR34fayokLwoSybJiD6e0L1uwVZ9cK0KQ_U3xQg8HIEQzTn9n5b_Aj8Qazc</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1793566290</pqid></control><display><type>article</type><title>Tricarboxylate-based Gd coordination polymers exhibiting large magnetocaloric effects</title><source>Royal Society Of Chemistry Journals</source><source>Alma/SFX Local Collection</source><creator>Liu, Sui-Jun ; Cao, Chen ; Xie, Chen-Chao ; Zheng, Teng-Fei ; Tong, Xiao-Lan ; Liao, Jin-Sheng ; Chen, Jing-Lin ; Wen, He-Rui ; Chang, Ze ; Bu, Xian-He</creator><creatorcontrib>Liu, Sui-Jun ; Cao, Chen ; Xie, Chen-Chao ; Zheng, Teng-Fei ; Tong, Xiao-Lan ; Liao, Jin-Sheng ; Chen, Jing-Lin ; Wen, He-Rui ; Chang, Ze ; Bu, Xian-He</creatorcontrib><description>Two Gd
III
coordination polymers with the formula [Gd(cit)(H
2
O)]
∞
(
1
) and [Gd(nta)(H
2
O)
2
]
∞
(
2
) (H
4
cit = citric acid, H
3
nta = nitrilotriacetic acid) have been successfully prepared under hydrothermal conditions. Complex
1
exhibits a three-dimensional (3D) structure based on carboxylate-bridged layers, while complex
2
is a double-layer structure containing eight-coordinated Gd
III
. Magnetic investigations reveal that weak antiferromagnetic couplings between adjacent Gd
III
ions in both
1
and
2
with different Weiss values result in large cryogenic magnetocaloric effects. It is notable that the maximum entropy changes (−Δ
S
max
m
) of
1
and
2
reach 31.3 J kg
−1
K
−1
and 32.2 J kg
−1
K
−1
at 2 K for a moderate field change (Δ
H
= 3 T), and a remarkable −Δ
S
max
m
(41.5 J kg
−1
K
−1
for
1
and 42.0 J kg
−1
K
−1
for
2
) could be obtained for Δ
H
= 7 T.
Hydrothermal reactions of Gd
2
O
3
and two tricarboxylates generated two carboxylate-bridged 2D/3D Gd
III
coordination polymers with large magnetocaloric effects.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/c6dt01349j</identifier><identifier>PMID: 27171744</identifier><language>eng</language><publisher>England</publisher><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2016-05, Vol.45 (22), p.929-9215</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27171744$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Sui-Jun</creatorcontrib><creatorcontrib>Cao, Chen</creatorcontrib><creatorcontrib>Xie, Chen-Chao</creatorcontrib><creatorcontrib>Zheng, Teng-Fei</creatorcontrib><creatorcontrib>Tong, Xiao-Lan</creatorcontrib><creatorcontrib>Liao, Jin-Sheng</creatorcontrib><creatorcontrib>Chen, Jing-Lin</creatorcontrib><creatorcontrib>Wen, He-Rui</creatorcontrib><creatorcontrib>Chang, Ze</creatorcontrib><creatorcontrib>Bu, Xian-He</creatorcontrib><title>Tricarboxylate-based Gd coordination polymers exhibiting large magnetocaloric effects</title><title>Dalton transactions : an international journal of inorganic chemistry</title><addtitle>Dalton Trans</addtitle><description>Two Gd
III
coordination polymers with the formula [Gd(cit)(H
2
O)]
∞
(
1
) and [Gd(nta)(H
2
O)
2
]
∞
(
2
) (H
4
cit = citric acid, H
3
nta = nitrilotriacetic acid) have been successfully prepared under hydrothermal conditions. Complex
1
exhibits a three-dimensional (3D) structure based on carboxylate-bridged layers, while complex
2
is a double-layer structure containing eight-coordinated Gd
III
. Magnetic investigations reveal that weak antiferromagnetic couplings between adjacent Gd
III
ions in both
1
and
2
with different Weiss values result in large cryogenic magnetocaloric effects. It is notable that the maximum entropy changes (−Δ
S
max
m
) of
1
and
2
reach 31.3 J kg
−1
K
−1
and 32.2 J kg
−1
K
−1
at 2 K for a moderate field change (Δ
H
= 3 T), and a remarkable −Δ
S
max
m
(41.5 J kg
−1
K
−1
for
1
and 42.0 J kg
−1
K
−1
for
2
) could be obtained for Δ
H
= 7 T.
Hydrothermal reactions of Gd
2
O
3
and two tricarboxylates generated two carboxylate-bridged 2D/3D Gd
III
coordination polymers with large magnetocaloric effects.</description><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNpFkL1PwzAUxC0EoqWwsIM8sgT8kcT1iCooSJVY2jnyx0txlcTBdqXmvydSS9Eb7unupxsOoXtKninh8sWUNhHKc7m7QFOaC5FJxvPL88_KCbqJcUcIY6Rg12jCBB0vz6dosw7OqKD9YWhUgkyrCBYvLTbeB-s6lZzvcO-boYUQMRy-nXbJdVvcqLAF3KptB8kb1fixCENdg0nxFl3Vqolwd9IZ2ry_rRcf2epr-bl4XWU9zecpY5qKglFFC8MJs1xY0IYpSwkZLSZKoLU1qiygsMLauSyNkaLWRBRcirnmM_R07O2D_9lDTFXrooGmUR34fayokLwoSybJiD6e0L1uwVZ9cK0KQ_U3xQg8HIEQzTn9n5b_Aj8Qazc</recordid><startdate>20160531</startdate><enddate>20160531</enddate><creator>Liu, Sui-Jun</creator><creator>Cao, Chen</creator><creator>Xie, Chen-Chao</creator><creator>Zheng, Teng-Fei</creator><creator>Tong, Xiao-Lan</creator><creator>Liao, Jin-Sheng</creator><creator>Chen, Jing-Lin</creator><creator>Wen, He-Rui</creator><creator>Chang, Ze</creator><creator>Bu, Xian-He</creator><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20160531</creationdate><title>Tricarboxylate-based Gd coordination polymers exhibiting large magnetocaloric effects</title><author>Liu, Sui-Jun ; Cao, Chen ; Xie, Chen-Chao ; Zheng, Teng-Fei ; Tong, Xiao-Lan ; Liao, Jin-Sheng ; Chen, Jing-Lin ; Wen, He-Rui ; Chang, Ze ; Bu, Xian-He</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p148t-2b17521a15c302d37debc2ad10015c276e1fdca65e5d7dd896cc97fb0753978b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Sui-Jun</creatorcontrib><creatorcontrib>Cao, Chen</creatorcontrib><creatorcontrib>Xie, Chen-Chao</creatorcontrib><creatorcontrib>Zheng, Teng-Fei</creatorcontrib><creatorcontrib>Tong, Xiao-Lan</creatorcontrib><creatorcontrib>Liao, Jin-Sheng</creatorcontrib><creatorcontrib>Chen, Jing-Lin</creatorcontrib><creatorcontrib>Wen, He-Rui</creatorcontrib><creatorcontrib>Chang, Ze</creatorcontrib><creatorcontrib>Bu, Xian-He</creatorcontrib><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Sui-Jun</au><au>Cao, Chen</au><au>Xie, Chen-Chao</au><au>Zheng, Teng-Fei</au><au>Tong, Xiao-Lan</au><au>Liao, Jin-Sheng</au><au>Chen, Jing-Lin</au><au>Wen, He-Rui</au><au>Chang, Ze</au><au>Bu, Xian-He</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tricarboxylate-based Gd coordination polymers exhibiting large magnetocaloric effects</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><addtitle>Dalton Trans</addtitle><date>2016-05-31</date><risdate>2016</risdate><volume>45</volume><issue>22</issue><spage>929</spage><epage>9215</epage><pages>929-9215</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>Two Gd
III
coordination polymers with the formula [Gd(cit)(H
2
O)]
∞
(
1
) and [Gd(nta)(H
2
O)
2
]
∞
(
2
) (H
4
cit = citric acid, H
3
nta = nitrilotriacetic acid) have been successfully prepared under hydrothermal conditions. Complex
1
exhibits a three-dimensional (3D) structure based on carboxylate-bridged layers, while complex
2
is a double-layer structure containing eight-coordinated Gd
III
. Magnetic investigations reveal that weak antiferromagnetic couplings between adjacent Gd
III
ions in both
1
and
2
with different Weiss values result in large cryogenic magnetocaloric effects. It is notable that the maximum entropy changes (−Δ
S
max
m
) of
1
and
2
reach 31.3 J kg
−1
K
−1
and 32.2 J kg
−1
K
−1
at 2 K for a moderate field change (Δ
H
= 3 T), and a remarkable −Δ
S
max
m
(41.5 J kg
−1
K
−1
for
1
and 42.0 J kg
−1
K
−1
for
2
) could be obtained for Δ
H
= 7 T.
Hydrothermal reactions of Gd
2
O
3
and two tricarboxylates generated two carboxylate-bridged 2D/3D Gd
III
coordination polymers with large magnetocaloric effects.</abstract><cop>England</cop><pmid>27171744</pmid><doi>10.1039/c6dt01349j</doi><tpages>7</tpages></addata></record> |
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| language | eng |
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| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| title | Tricarboxylate-based Gd coordination polymers exhibiting large magnetocaloric effects |
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