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Pregled bibliografske jedinice broj: 234663

Crystal structure and magnetic properties of Co2TeO3Cl2 and Co2TeO3Br2


Becker, Richard; Berger, Helmuth; Johnsson, Mats; Prester, Mladen; Marohnić, Željko; Miljak, Marko; Herak, Mirta
Crystal structure and magnetic properties of Co2TeO3Cl2 and Co2TeO3Br2 // Journal of Solid State Chemistry, 179 (2006), 836-842 (međunarodna recenzija, članak, znanstveni)


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Naslov
Crystal structure and magnetic properties of Co2TeO3Cl2 and Co2TeO3Br2

Autori
Becker, Richard ; Berger, Helmuth ; Johnsson, Mats ; Prester, Mladen ; Marohnić, Željko ; Miljak, Marko ; Herak, Mirta

Izvornik
Journal of Solid State Chemistry (0022-4596) 179 (2006); 836-842

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

Ključne riječi
Oxohalogenide; Stereochemically active lone electron pair; Layered crystal structure; Magnetic order; Antiferromagnetic

Sažetak
The crystal structures of the two new synthetic compounds Co2TeO3Cl2 and Co2TeO3Br2 are described together with their magnetic properties. Co2TeO3Cl2 crystallize in the monoclinic space group P21/m with unit cell parameters a=5.0472(6)AA, b=6.6325(9)AA, c=8.3452(10)AA, beta=105.43(1)degrees, Z=2. Co2TeO3Br2 crystallize in the orthorhombic space group Pccn with unit cell parameters a=10.5180(7)AA, b=15.8629(9)AA, c=7.7732(5)AA, Z=8. The crystal structures were solved from single crystal data, R=0.0328 and 0.0412, respectively. Both compounds are layered with only weak interactions in between the layers. The compound Co2TeO3Cl2 has [CoO4Cl2] and [CoO3Cl3] octahedra while Co2TeO3Br2 has [CoO2Br2] tetrahedra and [CoO4Br2] octahedra. The Te(IV) atoms are tetrahedrally [TeO3E] coordinated in both compounds taking the 5s2 lone electron pair E into account. The magnetic properties of the compounds are characterized predominantly by long-range antiferromagnetic ordering below 30 K.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija



POVEZANOST RADA


Projekti:
0035010
0035009

Ustanove:
Institut za fiziku, Zagreb

Profili:

Avatar Url Marko Miljak (autor)

Avatar Url Mirta Herak (autor)

Avatar Url Željko Marohnić (autor)

Avatar Url Mladen Prester (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada

Citiraj ovu publikaciju:

Becker, Richard; Berger, Helmuth; Johnsson, Mats; Prester, Mladen; Marohnić, Željko; Miljak, Marko; Herak, Mirta
Crystal structure and magnetic properties of Co2TeO3Cl2 and Co2TeO3Br2 // Journal of Solid State Chemistry, 179 (2006), 836-842 (međunarodna recenzija, članak, znanstveni)
Becker, R., Berger, H., Johnsson, M., Prester, M., Marohnić, Ž., Miljak, M. & Herak, M. (2006) Crystal structure and magnetic properties of Co2TeO3Cl2 and Co2TeO3Br2. Journal of Solid State Chemistry, 179, 836-842.
@article{article, year = {2006}, pages = {836-842}, keywords = {Oxohalogenide, Stereochemically active lone electron pair, Layered crystal structure, Magnetic order, Antiferromagnetic}, journal = {Journal of Solid State Chemistry}, volume = {179}, issn = {0022-4596}, title = {Crystal structure and magnetic properties of Co2TeO3Cl2 and Co2TeO3Br2}, keyword = {Oxohalogenide, Stereochemically active lone electron pair, Layered crystal structure, Magnetic order, Antiferromagnetic} }
@article{article, year = {2006}, pages = {836-842}, keywords = {Oxohalogenide, Stereochemically active lone electron pair, Layered crystal structure, Magnetic order, Antiferromagnetic}, journal = {Journal of Solid State Chemistry}, volume = {179}, issn = {0022-4596}, title = {Crystal structure and magnetic properties of Co2TeO3Cl2 and Co2TeO3Br2}, keyword = {Oxohalogenide, Stereochemically active lone electron pair, Layered crystal structure, Magnetic order, Antiferromagnetic} }

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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