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Lattice parameters and powder diffraction data for 14 RCo 2 Ge 2 compounds (R=La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y)
Author(s) -
McCall W. M.,
Narasimhan K. S. V. L.,
Butera R. A.
Publication year - 1973
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889873008769
Subject(s) - tetragonal crystal system , lanthanide , lanthanide contraction , crystallography , powder diffraction , diffraction , x ray crystallography , materials science , lattice constant , crystal structure , chemistry , ion , physics , optics , organic chemistry
Powder X‐ray diffraction patterns were obtained for the series of synthesized compounds RCo 2 Ge 2 with R = La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y. The compounds have been indexed on the basis of a tetragonal unit cell with two formula units per cell. Except for YbCo 2 Ge 2 the series shows the expected lanthanide contraction.