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Pregled bibliografske jedinice broj: 330561

Crystal structure and magnetic properties of the new cobalt tellurite halide Co5(TeO3)4X2 (X=Cl, Br)


Becker, Richard; Prester, Mladen; Berger, Helmuth; Johnsson, Mats; Drobac, Djuro; Živković, Ivica
Crystal structure and magnetic properties of the new cobalt tellurite halide Co5(TeO3)4X2 (X=Cl, Br) // Solid State Sciences, 9 (2007), 3-4; 223-230 doi:10.1016/j.solidstatesciences.2006.11.019 (međunarodna recenzija, članak, znanstveni)


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Naslov
Crystal structure and magnetic properties of the new cobalt tellurite halide Co5(TeO3)4X2 (X=Cl, Br)

Autori
Becker, Richard ; Prester, Mladen ; Berger, Helmuth ; Johnsson, Mats ; Drobac, Djuro ; Živković, Ivica

Izvornik
Solid State Sciences (1293-2558) 9 (2007), 3-4; 223-230

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

Ključne riječi
Oxohalide; Lone-pair elements; Crystal structure determination; Antiferromagnetism; Magnetic susceptibility

Sažetak
Two new cobalt tellurite halides Co5(TeO3)4Cl2 and Co5(TeO3)4Br2 have been synthesized and found to be iso-structural with Ni5(TeO3)4X2 (X=Cl, Br). Co5(TeO3)4X2 crystallizes in the monoclinic system space group C2/c, and the Br-phase has the lattice parameters a=20.440(1) A, b=5.2760(2) A, c=16.4710(7) A, beta=124.790(5) degrees, and Z=4. The crystal structures were solved from single-crystal Xray data, R1=1.90 and 1.77, respectively, for the Cl- and Br-phases. The crystal structure is layered with only weak van der Waals’ interactions in between the layers. The layers are built by large [Co5O16X2] groups consisting of five edge- and face-sharing Co-octahedra. Each group is connected to adjacent groups via corner sharing through common oxygen atoms as well as through [TeO3E] groups. Magnetic susceptibility measurements on oriented single crystals reveal pronounced anisotropy in a broad temperature range and clear signs of antiferromagnetic ordering at low temperatures. Anisotropic susceptibility of an iso-structural Ni-based compound was also studied and compared with the corresponding results of Co5(TeO3)4X2. Magnetic anisotropy is discussed in framework of single-ion anisotropy effects.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
035-0352843-2845 - Kvantni magneti: Osnovna stanja u kompeticiji (Prester, Mladen, MZOS ) ( CroRIS)

Ustanove:
Institut za fiziku, Zagreb

Profili:

Avatar Url Đuro Drobac (autor)

Avatar Url Mladen Prester (autor)

Avatar Url Ivica Živković (autor)

Poveznice na cjeloviti tekst rada:

doi

Citiraj ovu publikaciju:

Becker, Richard; Prester, Mladen; Berger, Helmuth; Johnsson, Mats; Drobac, Djuro; Živković, Ivica
Crystal structure and magnetic properties of the new cobalt tellurite halide Co5(TeO3)4X2 (X=Cl, Br) // Solid State Sciences, 9 (2007), 3-4; 223-230 doi:10.1016/j.solidstatesciences.2006.11.019 (međunarodna recenzija, članak, znanstveni)
Becker, R., Prester, M., Berger, H., Johnsson, M., Drobac, D. & Živković, I. (2007) Crystal structure and magnetic properties of the new cobalt tellurite halide Co5(TeO3)4X2 (X=Cl, Br). Solid State Sciences, 9 (3-4), 223-230 doi:10.1016/j.solidstatesciences.2006.11.019.
@article{article, author = {Becker, Richard and Prester, Mladen and Berger, Helmuth and Johnsson, Mats and Drobac, Djuro and \v{Z}ivkovi\'{c}, Ivica}, year = {2007}, pages = {223-230}, DOI = {10.1016/j.solidstatesciences.2006.11.019}, keywords = {Oxohalide, Lone-pair elements, Crystal structure determination, Antiferromagnetism, Magnetic susceptibility}, journal = {Solid State Sciences}, doi = {10.1016/j.solidstatesciences.2006.11.019}, volume = {9}, number = {3-4}, issn = {1293-2558}, title = {Crystal structure and magnetic properties of the new cobalt tellurite halide Co5(TeO3)4X2 (X=Cl, Br)}, keyword = {Oxohalide, Lone-pair elements, Crystal structure determination, Antiferromagnetism, Magnetic susceptibility} }
@article{article, author = {Becker, Richard and Prester, Mladen and Berger, Helmuth and Johnsson, Mats and Drobac, Djuro and \v{Z}ivkovi\'{c}, Ivica}, year = {2007}, pages = {223-230}, DOI = {10.1016/j.solidstatesciences.2006.11.019}, keywords = {Oxohalide, Lone-pair elements, Crystal structure determination, Antiferromagnetism, Magnetic susceptibility}, journal = {Solid State Sciences}, doi = {10.1016/j.solidstatesciences.2006.11.019}, volume = {9}, number = {3-4}, issn = {1293-2558}, title = {Crystal structure and magnetic properties of the new cobalt tellurite halide Co5(TeO3)4X2 (X=Cl, Br)}, keyword = {Oxohalide, Lone-pair elements, Crystal structure determination, Antiferromagnetism, Magnetic susceptibility} }

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


Uključenost u ostale bibliografske baze podataka::


  • SCI, SCI exp.


Citati:





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