# Fileset [metadata.json](https://mdr.nims.go.jp/filesets/34c34767-172d-4165-8ebe-17a1d4fc28e8/download) ## Creator [Masashi Ishii](https://orcid.org/0000-0003-0357-2832), Ritsumeikan SR Center ## Rights Creative Commons BY Attribution 4.0 International[Creative Commons BY Attribution 4.0 International](https://creativecommons.org/licenses/by/4.0/) ## Other metadata [XAFS spectrum of Silicon](https://mdr.nims.go.jp/datasets/59829434-1a17-442d-ba69-2f9bf51aeb1d) ## Fulltext { "data_info": { "facility": "Ritsumeikan-SR", "beamline": "BL-10", "id": "BL10_Si-K_003", "related_id": null, "date": { "create_time": "2021-12-07 10:57:03", "update_time": null }, "data_depositor": { "name": "Toyonari Yaji", "affiliation": "Ritsumeikan SR Center" }, "comment": "The PFY spectrum is distorted due to self-absorption effect and dead time of SDD. The peak around 1847 eV is assigned to SiO2 due to native oxide layer on surface." }, "sample": { "chemical_formula": "Si", "name": "Silicon (powder)", "CAS_number": "7440-21-3", "manufacturer": "SIGMA-ALDRICH", "Product_number": "215619-50G", "sample_lot_number": "MKBG3668V", "additional_data": "powder (325mesh), on carbon tape" }, "measurement": { "absorption_edge": "Si K-edge", "energy_calibration": [ { "standard_sample": "SiO2(Quartz)", "calibration_position": "white line peak maximum", "energy": 1846.81, "energy_unit": "eV" } ], "incident_angle": 0, "incident_angle_unit": "deg", "tune_angle": 45, "tune_angle_unit": "deg", "tune_energy": null, "tune_energy_unit": null, "data_points": 418, "section": { "section_number": 10, "section_blocks": [ { "start_energy": 1770, "start_energy_unit": "eV", "end_energy": 1827, "end_energy_unit": "eV", "sampling_number": 21, "delta_energy": 2.85, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 2, "dwelling_time_unit": "s" }, { "start_energy": 1827, "start_energy_unit": "eV", "end_energy": 1832, "end_energy_unit": "eV", "sampling_number": 10, "delta_energy": 0.5, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 2, "dwelling_time_unit": "s" }, { "start_energy": 1832, "start_energy_unit": "eV", "end_energy": 1850, "end_energy_unit": "eV", "sampling_number": 120, "delta_energy": 0.15, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 2, "dwelling_time_unit": "s" }, { "start_energy": 1850, "start_energy_unit": "eV", "end_energy": 1870, "end_energy_unit": "eV", "sampling_number": 40, "delta_energy": 0.5, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 3, "dwelling_time_unit": "s" }, { "start_energy": 1870, "start_energy_unit": "eV", "end_energy": 1900, "end_energy_unit": "eV", "sampling_number": 25, "delta_energy": 1.2, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 3, "dwelling_time_unit": "s" }, { "start_energy": 1900, "start_energy_unit": "eV", "end_energy": 1980, "end_energy_unit": "eV", "sampling_number": 32, "delta_energy": 2.5, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 3, "dwelling_time_unit": "s" }, { "start_energy": 1980, "start_energy_unit": "eV", "end_energy": 2080, "end_energy_unit": "eV", "sampling_number": 25, "delta_energy": 4, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 4, "dwelling_time_unit": "s" }, { "start_energy": 2080, "start_energy_unit": "eV", "end_energy": 2200, "end_energy_unit": "eV", "sampling_number": 25, "delta_energy": 4.8, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 5, "dwelling_time_unit": "s" }, { "start_energy": 2200, "start_energy_unit": "eV", "end_energy": 2400, "end_energy_unit": "eV", "sampling_number": 40, "delta_energy": 5, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 7, "dwelling_time_unit": "s" }, { "start_energy": 2400, "start_energy_unit": "eV", "end_energy": 2900, "end_energy_unit": "eV", "sampling_number": 80, "delta_energy": 6.25, "delta_energy_unit": "eV", "waiting_time": 1, "waiting_time_unit": "s", "dwelling_time": 10, "dwelling_time_unit": "s" } ] }, "start_ring_current": 86.6865, "end_ring_current": 82.7117, "ring_current_unit": "mA", "start_time": "2019-06-05 15:24:11", "end_time": "2019-06-05 16:08:28" }, "instrument": { "I0": { "detector": [ { "type": "Ni mesh", "manufacturer": null, "model_number": null, "coating_element": "Ni", "aperture_ratio": 89, "aperture_ratio_unit": "%", "applied_voltage": null, "applied_voltage_unit": null } ], "Ammeter": [ { "range": 200, "range_unit": "pA", "manufacturer": "KEITHLEY", "model_number": "6514" } ], "additional_data": null }, "TEY": { "Ammeter": [ { "range": 2, "range_unit": "nA", "manufacturer": "KEITHLEY", "model_number": "6514" } ], "additional_data": null }, "PFY": { "detector": [ { "type": "SDD", "manufacturer": "Techno X", "model_number": "TXD2300H50", "amp_gain": 3.34, "amp_gain_unit": "mV/keV", "peaking_time": 5e-07, "peaking_time_unit": "s", "deadtime": 10, "deadtime_unit": "%", "deadtime_setting_energy": 1846.8, "deadtime_setting_energy_unit": "eV", "element_number": 1, "ROI": [ { "ROI_energy_lower": 1.54, "ROI_energy_upper": 1.895, "ROI_energy_unit": "keV" }, { "ROI_energy_lower": 1.54, "ROI_energy_upper": 1.75, "ROI_energy_unit": "keV" }, { "ROI_energy_lower": 0.5, "ROI_energy_upper": 5.0, "ROI_energy_unit": "keV" } ] } ], "additional_data": null }, "PEY": { "detector": [ { "type": null, "manufacturer": null, "model_number": null, "applied_voltage_front": null, "applied_voltage_front_unit": null, "applied_voltage_end": null, "applied_voltage_end_unit": null, "battery_box_voltage": null, "battery_box_voltage_unit": null, "retarding_voltage": null, "retarding_voltage_unit": null, "deflection_voltage": null, "deflection_voltage_unit": null } ], "Ammeter": [ { "range": null, "range_unit": null, "manufacturer": null, "model_number": null } ], "additional_data": null }, "monochromator": { "type": "DCM", "detail": [ { "crystal_plane": "InSb(111)", "d": 0.37405, "d_unit": "nm", "material": null, "groove_density": null, "groove_density_unit": null, "groove_depth": null, "groove_depth_unit": null, "deflection_angle": null, "deflection_angle_unit": null } ] }, "slit": [ { "name": null, "vertical_size": null, "vertical_size_unit": null, "horizontal_size": null, "horizontal_size_unit": null } ], "filter": null, "measurement_chamber_environment": "Vac" }, "file": { "file_name": "19060503.dat", "raw_data_format": [ { "extension": "dat", "format": "BL-10", "columns": [ { "name": "calculated angle", "unit": "deg" }, { "name": "observed angle", "unit": "deg" }, { "name": "photon energy", "unit": "eV" }, { "name": "I0", "unit": "cps" }, { "name": "PFY1", "unit": "cps" }, { "name": "PFY2", "unit": "cps" }, { "name": "PFY3", "unit": "cps" }, { "name": "TEY", "unit": "cps" }, { "name": "PEY", "unit": "cps" }, { "name": "Transmission", "unit": "cps" }, { "name": "Ring current", "unit": "mA" } ] } ], "processed_data_format": [ { "extension": "tey", "format": "Athena", "columns": [ { "name": "photon energy", "unit": "eV", "formula": "column[2]", "normalizing_process": [ { "BG_subtraction": null, "Normalization": null } ], "input": { "columns": "raw_data_format[0].columns" } }, { "name": "Normalized Intensity (TEY)", "unit": null, "formula": "column[7]/column[3]", "normalizing_process": [ { "BG_subtraction": "-0.084722+7.41797e-005*column[2]", "Normalization": "0.395332-0.000171767*column[2]+4.48593057e-008*column[2]^2" } ], "input": { "columns": "raw_data_format[0].columns" } } ] }, { "extension": "pfy", "format": "Athena", "columns": [ { "name": "photon energy", "unit": "eV", "formula": "column[2]", "normalizing_process": [ { "BG_subtraction": null, "Normalization": null } ], "input": { "columns": "raw_data_format[0].columns" } }, { "name": "Normalized Intensity (PFY3)", "unit": null, "formula": "column[6]/column[3]", "normalizing_process": [ { "BG_subtraction": "-2.903439+0.00161634*column[2]", "Normalization": "0.050566+0.00213067*column[2]-2.98342236e-007*column[2]^2" } ], "input": { "columns": "raw_data_format[0].columns" } } ] } ] }}