Low temperature synthesis of nanocrystalline Y3Al5O12 (YAG) and Ce-doped Y3Al5O12 via different sol‒gel methods
Veith, Michael; Mathur, Sanjay; Kareiva, Aivaras; Jilavi, Mohammad; Zimmer, Michael; Huch, Volker; Journal of Materials Chemistry 9 (1999) 3069–; doi:10.1039/a903664d

data_7217108
_publ_section_title
;
 Low temperature synthesis of nanocrystalline Y3Al5O12 (YAG) and Ce-doped
 Y3Al5O12 via different sol--gel methods
;
_journal_issue                   12
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              3069
_journal_paper_doi               10.1039/a903664d
_journal_volume                  9
_journal_year                    1999
_chemical_formula_sum            'C44 H101 O11 Y3'
_chemical_formula_weight         1072.98
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.15(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.431(13)
_cell_length_b                   10.867(6)
_cell_length_c                   27.55(2)
_cell_measurement_temperature    293(2)
_cell_volume                     5743(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Stoe AED2'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1543
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            7522
_diffrn_reflns_theta_full        22.53
_diffrn_reflns_theta_max         22.53
_diffrn_reflns_theta_min         1.69
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    3.052
_exptl_absorpt_correction_T_max  0.9986
_exptl_absorpt_correction_T_min  0.6308
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.241
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2280
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.483
_refine_diff_density_min         -0.648
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.181
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         7522
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.181
_refine_ls_R_factor_all          0.2186
_refine_ls_R_factor_gt           0.0965
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0425P)^2^+19.7193P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1400
_refine_ls_wR_factor_ref         0.1872
_reflns_number_gt                3877
_reflns_number_total             7522
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            903664d.txt
_cod_data_source_block           shelxs1323
_cod_original_cell_volume        5744(6)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7217108