Heterometallic 3d-4f {Co2Gd4} phosphonates: New members of the potential magnetic cooler family

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F19%3A63523882" target="_blank" >RIV/70883521:28610/19:63523882 - isvavai.cz</a>
Alternative codes found
RIV/00216224:14310/20:00115185
Result on the web
<a href="https://pubs.rsc.org/en/content/articlelanding/2020/NJ/C9NJ05071J#!divAbstract" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2020/NJ/C9NJ05071J#!divAbstract</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/c9nj05071j" target="_blank" >10.1039/c9nj05071j</a>

Result language
angličtina
Original language name
Heterometallic 3d-4f {Co2Gd4} phosphonates: New members of the potential magnetic cooler family
Original language description
Three new heterometallic phosphonate complexes with a novel 3d-4f metal core {Co2Gd4} were isolated. The reactions between CoCl2, GdCl3, ligand sodium salts, and 2,2′-bipyridine in methanol solution lead to new unexpected 3d-4f heterometallic complexes, [Na2CoIII2Gd4(L)6(bpy)2(OR)2]·nSolv (L = SAA3- (1), BSAA3- (2), and NAA3- (3); bpy = 2,2′-bipyridine; OR = OH and OMe; Solv = H2O and MeOH), composed of a rare case of two magnetically independent oxygen bridged Gd2O2 dinuclear units, which are separated by O-P-O bridges. According to the BVS calculations and measured magnetic properties, only CoIII ions are present in the obtained complexes. The magnetic properties of the compounds 1-3 were studied and the entropy changes for the designation of the magnetocaloric effect were calculated. The largest value for the magnetic entropy change -ΔSM of 20 J kg-1 K-1 for complex 1 has been found for Tav = 2.25 K and Hf = 5 T.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10406 - Analytical chemistry

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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