Mat Synthesis Extraction

${CLAUDE_SKILL_DIR}/../../venv/run cpu python ${CLAUDE_SKILL_DIR}/scripts/parse_pdfs.py \
    --pdf-dir /path/to/pdf_folder \
    --output-dir /path/to/output/texts

You are a materials science expert. Given the full text of a scientific paper, identify ALL distinct materials that are synthesized (not just characterized or used as reagents). Return ONLY a comma-separated list of chemical names or formulas (e.g. "NiCo2O4, CoFe2O4, Fe3O4"). If no synthesis is described, return an empty string.

You are a helpful assistant that extracts the structured synthesis for a specific material from the paper text.

Focus ONLY on the synthesis procedure for the specified material. Search through the entire paper text to find the synthesis procedure that describes how this specific material is made.

IMPORTANT: You must output ONLY a valid JSON object with a "structured_synthesis" field. Do not include any reasoning, explanations, or markdown formatting.

If you cannot find a synthesis procedure for the specified material, return a minimal structure with the material name and an empty synthesis.

Paper text:
<PAPER_TEXT>

Extract the synthesis procedure for: <MATERIAL_NAME>

{
  "structured_synthesis": {
    "target_compound": "string (required) — composition and description of the target",
    "target_compound_type": "one of: 'metals & alloys' | 'ceramics & glasses' | 'polymers & soft matter' | 'composites' | 'semiconductors & electronic' | 'nanomaterials' | 'two-dimensional materials' | 'framework & porous materials' | 'biomaterials & biological' | 'liquid materials' | 'hybrid & organic-inorganic' | 'functional materials & catalysts' | 'energy & sustainability' | 'smart & responsive materials' | 'emerging & quantum materials' | 'other'",
    "synthesis_method": "one of: 'PVD' | 'CVD' | 'arc discharge' | 'ball milling' | 'spray pyrolysis' | 'electrospinning' | 'sol-gel' | 'hydrothermal' | 'solvothermal' | 'precipitation' | 'coprecipitation' | 'combustion' | 'microwave-assisted' | 'sonochemical' | 'template-directed' | 'solid-state' | 'flux growth' | 'float zone & Bridgman' | 'arc melting & induction melting' | 'spark plasma sintering' | 'electrochemical deposition' | 'chemical bath deposition' | 'liquid-phase epitaxy' | 'self-assembly' | 'atomic layer deposition' | 'molecular beam epitaxy' | 'pulsed laser deposition' | 'ion implantation' | 'lithographic patterning' | 'wet impregnation' | 'incipient wetness impregnation' | 'mechanical mixing' | 'solution-based' | 'mechanochemical' | 'other'",
    "starting_materials": [
      {
        "name": "string",
        "amount": "number or null",
        "unit": "string or null — e.g. 'g', 'mL', 'mmol', 'wt%'",
        "purity": "string or null — e.g. '99.9%', 'ACS grade'",
        "vendor": "string or null"
      }
    ],
    "steps": [
      {
        "step_number": "integer",
        "action": "one of: 'add' | 'mix' | 'heat' | 'cool' | 'reflux' | 'age' | 'filter' | 'wash' | 'dry' | 'reduce' | 'calcine' | 'dissolve' | 'precipitate' | 'centrifuge' | 'sonicate' | 'anneal' | 'ion exchange' | 'impregnate'",
        "description": "string or null",
        "materials": [{"name": "string", "amount": "number or null", "unit": "string or null", "purity": "string or null", "vendor": "string or null"}],
        "equipment": [{"name": "string", "instrument_vendor": "string or null", "settings": "string or null"}],
        "conditions": {
          "temperature": "number or null",
          "temp_unit": "string or null — 'C', 'K', or 'F'",
          "duration": "number or null",
          "time_unit": "string or null — 'h', 'min', 's', 'days'",
          "pressure": "number or null",
          "pressure_unit": "string or null",
          "atmosphere": "string or null — e.g. 'air', 'N2', 'Ar'",
          "stirring": "boolean or null",
          "stirring_speed": "number or null",
          "ph": "number or null"
        }
      }
    ],
    "equipment": [{"name": "string", "instrument_vendor": "string or null", "settings": "string or null"}],
    "notes": "string or null"
  }
}

{"target_compound": "<material_name>", "target_compound_type": "other", "synthesis_method": "other", "starting_materials": [], "steps": [], "equipment": [], "notes": "Extraction failed."}

{
  "paper": "<paper_stem>",
  "source_pdf": "<original_pdf_filename>",
  "materials_found": ["Material A", "Material B"],
  "syntheses": [
    {
      "material": "Material A",
      "synthesis": { ... }
    },
    {
      "material": "Material B",
      "synthesis": { ... }
    }
  ]
}