# Fileset

[metadata.all.json](https://mdr.nims.go.jp/filesets/d6544f47-13ac-4a2b-9a50-76a8a0f1444f/download)

## Creator

[Masashi Ishii](https://orcid.org/0000-0003-0357-2832), [Kiyotaka Asakura](https://orcid.org/0000-0003-1077-5996)

## 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 Niobium hydride](https://mdr.nims.go.jp/datasets/89635868-edd5-4ab7-b8e3-56e79adfac7c)

## Fulltext

{    "data_info": {        "identifier": {            "pid": "JXAFS-1605240004"        },        "date": {            "create_time": "2016-05-24 9:08:00"        },        "access_rights": "open",        "contact_name": {            "affiliation": {                "organization": "Hokkaido University"            },            "name": "Institute for Catalysis",            "role": "organization"        },        "data_depositor": {            "affiliation": {                "organization": "Hokkaido University"            },            "name": "Kiyotaka Asakura"        },        "facility": "PF",        "class_name": "None"    },    "facility": {        "ring": {            "energy": "2.5",            "energy_unit": "GeV",            "start_current": "120",            "start_current_unit": "mA"        }    },    "sample": [        {            "chemical_formula": "NbH",            "lot_number": "None",            "model_number": "None",            "name": "Niobium hydride",            "supplier": "None",            "CAS_number": "13981-86-7",            "additional_metadata": null        }    ],    "measurement": {        "date": {            "end_time": null,            "start_time": "1984-10-27 00:00:00"        },        "method": {            "absorption_edge": "Nb K-edge",            "category": "spectroscopy",            "detection": "Transmission",            "sub_category": "XAFS"        },        "atmosphere": {            "sample": {                "start_temperature": "RT",                "start_temperature_unit": null,                "end_temperature": null,                "end_temperature_unit": null            }        }    },    "instrument": {        "monochrometer": {            "net_plane": "Si(311)"        },        "additional_metadata": null,        "xafs": {            "I0": {                "element": [                    {                        "type": "Ion Chamber",                        "gas": "Ar 50% + N2 50%"                    }                ]            },            "I1": {                "element": [                    {                        "type": "Ion Chamber",                        "gas": "Ar 50% + N2 50%"                    }                ],                "element_number": null            }        }    },    "local": {        "xafs_filename_list": {            "xafs_processed": [                "K_NbH_Si311_19841027.ex3",                "K_NbH_Si311_19841027.txt"            ],            "xafs_reference": [                "K_Nbfoil_Si311_19841027_ref.ex3",                "K_Nbfoil_Si311_19841027_ref.txt"            ]        },        "xafs_processed_data_format": [            {                "extension": "ex3",                "format": "Rex2000",                "columns": [                    {                        "name": "photon energy",                        "unit": "eV"                    },                    {                        "name": "absorption coefficient mu*t"                    }                ]            },            {                "extension": "txt",                "format": "Athena",                "columns": [                    {                        "name": "photon energy",                        "unit": "eV"                    },                    {                        "name": "absorption coefficient mu*t"                    }                ]            }        ],        "xafs_reference_data_format": [            {                "extension": "ex3",                "format": "Rex2000",                "columns": [                    {                        "name": "photon energy",                        "unit": "eV"                    },                    {                        "name": "absorption coefficient mu*t"                    }                ]            },            {                "extension": "txt",                "format": "Athena",                "columns": [                    {                        "name": "photon energy",                        "unit": "eV"                    },                    {                        "name": "absorption coefficient mu*t"                    }                ]            }        ]    }}