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Pregled bibliografske jedinice broj: 258345

Crystal structure and magnetic properties of Co7(TeO3)4Br6 - a new cobalt tellurite bromide


Becker, Richard; Johnsson, Mats; Berger, Helmuth; Prester, Mladen; Živković, Ivica; Drobac, Djuro; Miljak, Marko; Herak, Mirta
Crystal structure and magnetic properties of Co7(TeO3)4Br6 - a new cobalt tellurite bromide // Solid State Sciences, 8 (2006), 836-842 (međunarodna recenzija, članak, znanstveni)


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Naslov
Crystal structure and magnetic properties of Co7(TeO3)4Br6 - a new cobalt tellurite bromide

Autori
Becker, Richard ; Johnsson, Mats ; Berger, Helmuth ; Prester, Mladen ; Živković, Ivica ; Drobac, Djuro ; Miljak, Marko ; Herak, Mirta

Izvornik
Solid State Sciences (1293-2558) 8 (2006); 836-842

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Cobalt; Oxohalide; Stereochemically active lone pair; Magnetic ordering; Antiferromagnetic; Ferromagnetic

Sažetak
The crystal structure of the new compound Co7(TeO3)4Br6 is described together with the magnetic properties. The new compound crystallizes in the monoclinic space group C2/c with the unit cell parameters a = 20.6532(5) &Aring ; ; ; , b = 8.6533(2) &Aring ; ; ; , c = 14.7262(5) &Aring ; ; ; , β = 124.897(3)◦ , Z = 4. The crystal structure was solved from single crystal data, R = 0.0242. The structure can be considered as layered and the building units are [CoO4Br2] and [CoO2Br4] octahedra and [TeO3E] tetrahedra, E being the 5s2 lone pair on the Te(IV) ions. The magnetic properties of the compound are characterised by antiferromagnetic correlations at high temperatures, strong deviation from the Curie– Weiss behaviour in a broad intermediate temperature range and long range magnetic ordering setting-in at low temperatures. Magnetic ordering takes place in stages, being represented by two susceptibility anomalies, at TN = 33 K and TC = 27 K. Themagnetic transition at TC is ferromagnetic (or ferrimagnetic) in character.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
0035010
0035009

Ustanove:
Institut za fiziku, Zagreb

Profili:

Avatar Url Đuro Drobac (autor)

Avatar Url Mladen Prester (autor)

Avatar Url Ivica Živković (autor)

Avatar Url Marko Miljak (autor)

Avatar Url Mirta Herak (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada

Citiraj ovu publikaciju:

Becker, Richard; Johnsson, Mats; Berger, Helmuth; Prester, Mladen; Živković, Ivica; Drobac, Djuro; Miljak, Marko; Herak, Mirta
Crystal structure and magnetic properties of Co7(TeO3)4Br6 - a new cobalt tellurite bromide // Solid State Sciences, 8 (2006), 836-842 (međunarodna recenzija, članak, znanstveni)
Becker, R., Johnsson, M., Berger, H., Prester, M., Živković, I., Drobac, D., Miljak, M. & Herak, M. (2006) Crystal structure and magnetic properties of Co7(TeO3)4Br6 - a new cobalt tellurite bromide. Solid State Sciences, 8, 836-842.
@article{article, year = {2006}, pages = {836-842}, keywords = {Cobalt, Oxohalide, Stereochemically active lone pair, Magnetic ordering, Antiferromagnetic, Ferromagnetic}, journal = {Solid State Sciences}, volume = {8}, issn = {1293-2558}, title = {Crystal structure and magnetic properties of Co7(TeO3)4Br6 - a new cobalt tellurite bromide}, keyword = {Cobalt, Oxohalide, Stereochemically active lone pair, Magnetic ordering, Antiferromagnetic, Ferromagnetic} }
@article{article, year = {2006}, pages = {836-842}, keywords = {Cobalt, Oxohalide, Stereochemically active lone pair, Magnetic ordering, Antiferromagnetic, Ferromagnetic}, journal = {Solid State Sciences}, volume = {8}, issn = {1293-2558}, title = {Crystal structure and magnetic properties of Co7(TeO3)4Br6 - a new cobalt tellurite bromide}, keyword = {Cobalt, Oxohalide, Stereochemically active lone pair, Magnetic ordering, Antiferromagnetic, Ferromagnetic} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus





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