TY - JOUR
T1 - Synthesis and structure of cobalt (II) oxide halides - Sr2CoO2X2 (X=Cl, Br)
AU - Knee, Christopher S.
AU - Weller, Mark T.
PY - 2002/10/1
Y1 - 2002/10/1
N2 - The first layered cobalt (II) oxide halides, Sr2CoO2Cl2 and Sr2CoO2Br2, have been synthesized and their structures determined from Rietveld refinement of powder X-ray data. The materials are structural analogues of the K2NiF4 cuprate phase Sr2CuO2Cl2, crystallizing in space group I4/mmm. The compounds contain CoO2 square planes separated by SrX layers (X=Cl,Br). The bromide material displays the expected increase in cell dimensions, i.e., for Sr2CoO2Cl2, a=4.06251(5) Å, c=15.1251(3) Å and for Sr2CoO2Br2, a=4.08891(7) Å, c=16.4077(4) Å.
AB - The first layered cobalt (II) oxide halides, Sr2CoO2Cl2 and Sr2CoO2Br2, have been synthesized and their structures determined from Rietveld refinement of powder X-ray data. The materials are structural analogues of the K2NiF4 cuprate phase Sr2CuO2Cl2, crystallizing in space group I4/mmm. The compounds contain CoO2 square planes separated by SrX layers (X=Cl,Br). The bromide material displays the expected increase in cell dimensions, i.e., for Sr2CoO2Cl2, a=4.06251(5) Å, c=15.1251(3) Å and for Sr2CoO2Br2, a=4.08891(7) Å, c=16.4077(4) Å.
UR - http://www.scopus.com/inward/record.url?scp=0036815307&partnerID=8YFLogxK
UR - http://dx.doi.org/10.1006/jssc.2002.9682
U2 - 10.1006/jssc.2002.9682
DO - 10.1006/jssc.2002.9682
M3 - Article
AN - SCOPUS:0036815307
SN - 0022-4596
VL - 168
SP - 1
EP - 4
JO - Journal of Solid State Chemistry
JF - Journal of Solid State Chemistry
IS - 1
ER -