[
  {
    "label": "Cu2−δS_composition variation",
    "@graph": [
      {
        "@type": "Entity",
        "@id": "e1",
        "type": [
          {
            "@value": "material",
            "@language": "en"
          }
        ],
        "label": [
          {
            "@value": [
              "Cu",
              "Copper"
            ],
            "@language": "en"
          }
        ],
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          {
            "@value": "99.999 %",
            "@type": "xsd:string"
          }
        ],
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          {
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          }
        ],
        "label": [
          {
            "@value": [
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              "Sulfur"
            ],
            "@language": "en"
          }
        ],
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          {
            "@value": "99.999 %",
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        ],
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        ],
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          {
            "@value": [
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              "silica tube"
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          }
        ],
        "label": [
          {
            "@value": [
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              "BN crucible",
              "crucible"
            ],
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          }
        ]
      },
      {
        "@type": "Activity",
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        ],
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        ]
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      },
      {
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      },
      {
        "@type": "Usage",
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      },
      {
        "@type": "Usage",
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      },
      {
        "@type": "Generation",
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        "entity": "e5"
      },
      {
        "@type": "Entity",
        "@id": "e5",
        "type": [
          {
            "@value": "material",
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          }
        ],
        "label": [
          {
            "@value": "sealed sample",
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          }
        ]
      },
      {
        "@type": "Activity",
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          {
            "@value": [
              "raising",
              "heating"
            ],
            "@language": "en"
          }
        ],
        "matprov:temperature": [
          {
            "@value": "1423 K",
            "@type": "xsd:string"
          }
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            "@value": "6 h",
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        "entity": "e5"
      },
      {
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        "entity": "e6"
      },
      {
        "@type": "Entity",
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          {
            "@value": "material",
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          }
        ],
        "label": [
          {
            "@value": [
              "raised sample",
              "heated sample"
            ],
            "@language": "en"
          }
        ]
      },
      {
        "@type": "Activity",
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          {
            "@value": "maintaining",
            "@language": "en"
          }
        ],
        "matprov:temperature": [
          {
            "@value": "1423 K",
            "@type": "xsd:string"
          }
        ],
        "matprov:duration": [
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            "@value": "12 h",
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          }
        ]
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      {
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        "entity": "e6"
      },
      {
        "@type": "Generation",
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        "entity": "e7"
      },
      {
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          {
            "@value": "material",
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          }
        ],
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          {
            "@value": "maintained sample",
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          }
        ]
      },
      {
        "@type": "Activity",
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            "@value": "quenching",
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          }
        ]
      },
      {
        "@type": "Usage",
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      },
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          {
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          }
        ]
      },
      {
        "@type": "Usage",
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        "entity": "e16"
      },
      {
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      },
      {
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          {
            "@value": "material",
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          }
        ],
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          {
            "@value": "quenched sample",
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          }
        ],
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      },
      {
        "@type": "Activity",
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          {
            "@value": "annealing",
            "@language": "en"
          }
        ],
        "matprov:temperature": [
          {
            "@value": "773 K",
            "@type": "xsd:string"
          }
        ],
        "matprov:duration": [
          {
            "@value": "5 d",
            "@type": "xsd:string"
          }
        ]
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      {
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        "entity": "e8"
      },
      {
        "@type": "Generation",
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      },
      {
        "@type": "Entity",
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          {
            "@value": "material",
            "@language": "en"
          }
        ],
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          {
            "@value": "annealed sample",
            "@language": "en"
          }
        ],
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          }
        ]
      },
      {
        "@type": "Activity",
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        "label": [
          {
            "@value": "crushing",
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          }
        ]
      },
      {
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      },
      {
        "@type": "Generation",
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        "entity": "e10"
      },
      {
        "@type": "Entity",
        "@id": "e10",
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          {
            "@value": "material",
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          }
        ],
        "label": [
          {
            "@value": "crushed sample",
            "@language": "en"
          }
        ],
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          {
            "@value": "powder",
            "@type": "xsd:string"
          }
        ]
      },
      {
        "@type": "Activity",
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        "label": [
          {
            "@value": [
              "spark plasma sintering",
              "sintering",
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            ],
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          }
        ],
        "matprov:temperature": [
          {
            "@value": "723 K",
            "@type": "xsd:string"
          }
        ],
        "matprov:pressure": [
          {
            "@value": "65 MPa",
            "@type": "xsd:string"
          }
        ],
        "matprov:duration": [
          {
            "@value": "5 min",
            "@type": "xsd:string"
          }
        ]
      },
      {
        "@type": "Usage",
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        "entity": "e10"
      },
      {
        "@type": "Entity",
        "@id": "e14",
        "type": [
          {
            "@value": "tool",
            "@language": "en"
          }
        ],
        "label": [
          {
            "@value": "SPS-2040",
            "@language": "en"
          }
        ]
      },
      {
        "@type": "Usage",
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        "entity": "e14"
      },
      {
        "@type": "Generation",
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        "entity": "e11"
      },
      {
        "@type": "Entity",
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        "type": [
          {
            "@value": "material",
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          }
        ],
        "label": [
          {
            "@value": [
              "spark plasma sintered sample",
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              "SPSed sample",
              "SPS sample"
            ],
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          }
        ]
      }
    ]
  },
  {
    "label": "Cu2−δFexS_composition variation",
    "@graph": [
      {
        "@type": "Entity",
        "@id": "e1",
        "type": [
          {
            "@value": "material",
            "@language": "en"
          }
        ],
        "label": [
          {
            "@value": [
              "Cu",
              "Copper"
            ],
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          }
        ],
        "matprov:purity": [
          {
            "@value": "99.999 %",
            "@type": "xsd:string"
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        ],
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      {
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          {
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          }
        ],
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          {
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          }
        ],
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          {
            "@value": "99.999 %",
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        ],
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        "type": [
          {
            "@value": "material",
            "@language": "en"
          }
        ],
        "label": [
          {
            "@value": [
              "Fe",
              "Iron"
            ],
            "@language": "en"
          }
        ],
        "matprov:purity": [
          {
            "@value": "99.98 %",
            "@type": "xsd:string"
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            "@value": [
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      {
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        "@type": "Usage",
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        "@type": "Usage",
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      {
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      {
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      {
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            "@value": "5 d",
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      {
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      {
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      {
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      {
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            "@value": "5 min",
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        "@type": "Generation",
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      },
      {
        "@type": "Entity",
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        "type": [
          {
            "@value": "material",
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          }
        ],
        "label": [
          {
            "@value": [
              "spark plasma sintered sample",
              "sintered sample",
              "SPSed sample",
              "SPS sample"
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          }
        ]
      }
    ]
  }
]