Synthesis, crystal structure, and photoluminescence of a novel blue-green emitting phosphor: BaHfSi3O9:Eu2+
Wang, De-Yin; Wu, Yun-Chen; Chen, Teng-Ming; Journal of Materials Chemistry 21 (2011) 18261–; doi:10.1039/c1jm13438h

data_7206886
_publ_section_title
;
 Synthesis, crystal structure, and photoluminescence of a novel blue-green
 emitting phosphor: BaHfSi3O9:Eu2+
;
_journal_issue                   45
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              18261
_journal_paper_doi               10.1039/c1jm13438h
_journal_volume                  21
_journal_year                    2011
_chemical_formula_sum            'Ba Hf O9 Si3'
_chemical_formula_weight         544.07
_chemical_name_systematic        ' ?'
_space_group_IT_number           188
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P -6c 2'
_symmetry_space_group_name_H-M   'P -6 c 2'
_audit_creation_date             2011-06-27T22:16
_audit_creation_method           'from EXP file using GSAS2CIF'
_audit_update_record
' 2011-06-27T22:16 Initial CIF as created by GSAS2CIF'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                120.0
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_cell_length_b                   6.77318
_cell_length_c                   10.00456(20)
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_computing_structure_refinement  GSAS
_diffrn_radiation_polarisn_ratio 0.7
_diffrn_radiation_probe          x-ray
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  1.00000
_exptl_absorpt_process_details
; GSAS Absorption/surface roughness correction: function number 0
No correction is applied.
;
_pd_block_id                     2011-06-27T22:16|BHS|D.Y.Wang|D8
_pd_calc_method                  'Rietveld Refinement'
_pd_instr_location               ' ?'
_pd_meas_2theta_range_inc        0.0167
_pd_meas_2theta_range_max        119.719
_pd_meas_2theta_range_min        10.0
_pd_meas_number_of_points        6571
_pd_phase_name                   'from D:/BHS/BaZrSi3O9.cif'
_pd_proc_2theta_range_inc        0.0167
_pd_proc_2theta_range_max        119.719
_pd_proc_2theta_range_min        10.0
_pd_proc_info_datetime           2011-06-27T22:16:52
_pd_proc_info_excluded_regions   ' ?'
_pd_proc_ls_background_function
; GSAS Background function number 1 with 6 terms.
Shifted Chebyshev function of 1st kind
1: 184.514 2: -26.0141 3: 17.1603 4: 4.24306
5: -2.86347 6: 0.188043
;
_pd_proc_ls_peak_cutoff          0.01000
_pd_proc_ls_profile_function
;
CW Profile function number 2 with 18 terms
Profile coefficients for Simpson's rule integration of pseudovoigt function
C.J. Howard (1982). J. Appl. Cryst.,15,615-620.
P. Thompson, D.E. Cox & J.B. Hastings (1987). J. Appl. Cryst.,20,79-83.
Peak tails are ignored where the intensity is below 0.0100 times the peak
Aniso. broadening axis 0.0 0.0 1.0
;
_pd_proc_ls_prof_R_factor        0.0779
_pd_proc_ls_prof_wR_expected     0.0560
_pd_proc_ls_prof_wR_factor       0.1185
_pd_proc_number_of_points        6571
_pd_spec_mounting                ' ?'
_refine_ls_goodness_of_fit_all   2.12
_refine_ls_matrix_type           full
_refine_ls_number_parameters     16
_refine_ls_number_restraints     0
_refine_ls_R_Fsqd_factor         0.08928
_refine_ls_shift/su_max          0.06
_refine_ls_shift/su_mean         0.01
_reflns_d_resolution_high        0.891
_reflns_d_resolution_low         5.866
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_cod_data_source_block           BHS_publ
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_gsas_exptl_extinct_corr_t_min   1.00000
_gsas_exptl_extinct_corr_t_max   1.00000