#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/56/1525621.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1525621 loop_ _publ_author_name 'Bedoya, C.' 'Muller, C.' 'Baudour, J.L.' 'Soubeyroux, J.L.' 'Bouree, F.' 'Roubin, M.' _publ_section_title ; Ferroelectric - paraelectric phase transition in Pb Hf0.2 Ti0.8 O3 studied by neutron powder diffraction ; _journal_name_full 'Journal of Physics: Condensed Matter' _journal_page_first 6453 _journal_page_last 6470 _journal_volume 13 _journal_year 2001 _chemical_formula_sum 'Hf0.2 O3 Pb Ti0.8' _chemical_name_systematic 'Pb (Hf0.2 Ti0.8) O3' _space_group_IT_number 99 _symmetry_space_group_name_Hall 'P 4 -2' _symmetry_space_group_name_H-M 'P 4 m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 1 _cell_length_a 3.9299 _cell_length_b 3.9299 _cell_length_c 4.1239 _cell_volume 63.690 _citation_journal_id_ASTM JCOMEL _cod_data_source_file Bedoya_JCOMEL_2001_1362.cif _cod_data_source_block Hf0.2O3Pb1Ti0.8 _cod_original_cell_volume 63.68998 _cod_original_formula_sum 'Hf0.2 O3 Pb1 Ti0.8' _cod_database_code 1525621 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x,z -x,-y,z y,-x,z -x,y,z -y,-x,z x,-y,z y,x,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ti1 Ti+4 0.5 0.5 0.534 0.8 0.0 O1 O-2 0.5 0.5 0.11 1 0.0 Hf1 Hf+4 0.5 0.5 0.534 0.2 0.0 Pb1 Pb+2 0 0 0 1 0.0 O2 O-2 0.5 0 0.624 1 0.0