Tb-based silicate apatites showing slow magnetization relaxation with identical parameters for the Tb3+ and Dy3+ counter ions
Zykin, Mikhail A.; Dyakonov, Andrey K.; Eliseev, Artem A.; Trusov, Lev A.; Kremer, Reinhard K.; Dinnebier, Robert E.; Jansen, Martin; Kazin, Pavel E.; RSC Advances 11 (2021) 6926–6933; doi:10.1039/D1RA00613D

data_7242265
_publ_section_title
;
 Tb-based silicate apatites showing slow magnetization relaxation with
 identical parameters for the Tb3+ and Dy3+ counter ions
;
_journal_issue                   12
_journal_name_full               'RSC Advances'
_journal_page_first              6926
_journal_page_last               6933
_journal_paper_doi               10.1039/D1RA00613D
_journal_volume                  11
_journal_year                    2021
_chemical_formula_sum            'Ca2 O26 Si6 Tb8'
_chemical_formula_weight         1936.1
_chemical_name_systematic        'terbium calcium silicate oxide apatite'
_space_group_IT_number           176
_space_group_name_Hall           '-P 6c'
_space_group_name_H-M_alt        'P 63/m'
_symmetry_cell_setting           hexagonal
_symmetry_Int_Tables_number      176
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_audit_update_record
;
2020-11-26 deposited with the CCDC.	2021-02-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   9.39175(4)
_cell_length_b                   9.39175(4)
_cell_length_c                   6.85520(3)
_cell_measurement_temperature    293
_cell_volume                     523.653(4)
_diffrn_ambient_temperature      293
_diffrn_detector                 Lynx-Eye
_diffrn_detector_type            'position-sensitive detector'
_diffrn_measurement_device_type  'D8 Bruker-Advance powder diffractometer'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu Kalpha1'
_diffrn_radiation_wavelength     1.5406
_exptl_absorpt_coefficient_mu    138.78
_exptl_crystal_density_diffrn    6.1393
_exptl_crystal_description       powder
_exptl_crystal_F_000             852
_pd_char_colour                  white
_pd_instr_location               ' ?'
_pd_meas_2theta_range_inc        0.008
_pd_meas_2theta_range_max        120.000
_pd_meas_2theta_range_min        10.000
_pd_meas_number_of_points        13958
_pd_proc_2theta_range_inc        0.008
_pd_proc_2theta_range_max        79.994
_pd_proc_2theta_range_min        10
_pd_proc_ls_background_function  '30 Legendre polynoms'
_pd_proc_ls_pref_orient_corr     'March & Dollase'
_pd_proc_ls_profile_function     Pseudo-Voigt
_pd_proc_ls_prof_R_factor        0.0060
_pd_proc_ls_prof_wR_expected     0.0046
_pd_proc_ls_prof_wR_factor       0.0085
_refine_diff_density_max         0.34
_refine_diff_density_min         -0.23
_refine_ls_goodness_of_fit_all   1.85
_refine_ls_number_constraints    2
_refine_ls_number_parameters     66
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0131
_refine_ls_R_factor_gt           0.0127
_refine_ls_shift/su_max          0.0095
_refine_ls_shift/su_mean         0.0023
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_all         0.0193
_refine_ls_wR_factor_gt          0.0193
_cod_data_source_file            d1ra00613d2.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
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_cod_database_code               7242265