#------------------------------------------------------------------------------
#$Date: 2013-5-12 14:34:00 +0000 $
#$Revision: 001 $ Daniel Chateigner
#------------------------------------------------------------------------------
#
# This file is available in the Material Properties Open Database (MPOD),
# http://www.mpod.net/
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_1000332
_cod_database_code 1512396
_structure_refined 'yes'
_phase_name 'Iron Tetraborate'
_chemical_formula_structural 'FeB4'
_chemical_formula_sum 'Fe1 B4'
_symmetry_point_group_name_H-M 'mmm'
_cell_length_a                     4.5786(3)
_cell_length_b                     5.2981(3)
_cell_length_c                     2.9991(2)
_cell_angle_alpha                  90.
_cell_angle_beta                   90
_cell_angle_gamma                  90

loop_
_publ_author_name
'Gou, Huiyang'
'Dubrovinskaia, Natalia'
'Bykova, Elena'
'Tsirlin, Alexander A.'
'Kasinathan, Deepa'
'Schelle, Walter'
'Richter, Asta'
'Merlini, Marco'
'Hanfland, Michael'
'Abakumov, Artem M.'
'Batuk, Dmitry'
'van Tendeloo, Gustaaf'
'Nakajima, Yoichi'
'Kolmogorov, Aleksey N.'
'Dubrovinsky, Leonid'
_publ_section_title
;
Discovery of a superhard iron tetraboride superconductor
;
_journal_name_full               'Physical Review Letters'
_journal_volume                  111
_journal_issue                   15
_journal_article_reference       157002
_journal_pages_number            5
_journal_year                    2013

_phase_debye_temperature 730

_prop_measurement_method 'SQUID-ZFC'
_prop_frame '1=[100] 2=[010] 3=[001]'


_prop_superconducting_critical_temperature_onset 2.95
_prop_superconducting_critical_temperature_mid_50 2.82

_prop_conditions_magnetic_field 0.001