{
  "schema": "semiagora.deep-simulation.v1",
  "execution_mode": "precomputed-only",
  "experiment_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
  "slug": "fefet-hysteresis-wakeup-fatigue",
  "title": "FeFET hysteresis, wake-up, fatigue, and usable window",
  "model_boundary": "normalized ferroelectric-memory teaching model, no calibrated stack",
  "public_boundary": [
    "No live server solver execution.",
    "No PDK or proprietary compact-model ingestion, measured-silicon claim, qualification signoff, upload, account, payment, comment, newsletter signup, or submission workflow.",
    "Third-party tools and source pages remain source links unless separately reviewed."
  ],
  "headline_metric": {
    "name": "largest_usable_window_mv",
    "value": 441.6,
    "case": {
      "cycles": 100000,
      "temperature_c": 25,
      "program_pulse_v": 3
    }
  },
  "rows": [
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 0,
      "temperature_c": 25,
      "program_pulse_v": 2.4,
      "memory_window_mv": 420,
      "imprint_shift_mv": 12,
      "usable_window_mv": 323,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 0,
      "temperature_c": 25,
      "program_pulse_v": 3,
      "memory_window_mv": 477,
      "imprint_shift_mv": 12,
      "usable_window_mv": 380,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 0,
      "temperature_c": 85,
      "program_pulse_v": 2.4,
      "memory_window_mv": 336,
      "imprint_shift_mv": 45,
      "usable_window_mv": 206,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 0,
      "temperature_c": 85,
      "program_pulse_v": 3,
      "memory_window_mv": 393,
      "imprint_shift_mv": 45,
      "usable_window_mv": 263,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 1000,
      "temperature_c": 25,
      "program_pulse_v": 2.4,
      "memory_window_mv": 474.008,
      "imprint_shift_mv": 12.004,
      "usable_window_mv": 377.004,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 1000,
      "temperature_c": 25,
      "program_pulse_v": 3,
      "memory_window_mv": 531.008,
      "imprint_shift_mv": 12.004,
      "usable_window_mv": 434.004,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 1000,
      "temperature_c": 85,
      "program_pulse_v": 2.4,
      "memory_window_mv": 390.008,
      "imprint_shift_mv": 45.004,
      "usable_window_mv": 260.004,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 1000,
      "temperature_c": 85,
      "program_pulse_v": 3,
      "memory_window_mv": 447.008,
      "imprint_shift_mv": 45.004,
      "usable_window_mv": 317.004,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 100000,
      "temperature_c": 25,
      "program_pulse_v": 2.4,
      "memory_window_mv": 482,
      "imprint_shift_mv": 12.4,
      "usable_window_mv": 384.6,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 100000,
      "temperature_c": 25,
      "program_pulse_v": 3,
      "memory_window_mv": 539,
      "imprint_shift_mv": 12.4,
      "usable_window_mv": 441.6,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 100000,
      "temperature_c": 85,
      "program_pulse_v": 2.4,
      "memory_window_mv": 398,
      "imprint_shift_mv": 45.4,
      "usable_window_mv": 267.6,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 100000,
      "temperature_c": 85,
      "program_pulse_v": 3,
      "memory_window_mv": 455,
      "imprint_shift_mv": 45.4,
      "usable_window_mv": 324.6,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 10000000,
      "temperature_c": 25,
      "program_pulse_v": 2.4,
      "memory_window_mv": 412,
      "imprint_shift_mv": 52,
      "usable_window_mv": 275,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 10000000,
      "temperature_c": 25,
      "program_pulse_v": 3,
      "memory_window_mv": 469,
      "imprint_shift_mv": 52,
      "usable_window_mv": 332,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 10000000,
      "temperature_c": 85,
      "program_pulse_v": 2.4,
      "memory_window_mv": 328,
      "imprint_shift_mv": 85,
      "usable_window_mv": 158,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    },
    {
      "simulation_id": "SA-MEM-003-FEFET-HYSTERESIS-001",
      "domain": "memory",
      "cycles": 10000000,
      "temperature_c": 85,
      "program_pulse_v": 3,
      "memory_window_mv": 385,
      "imprint_shift_mv": 85,
      "usable_window_mv": 215,
      "teaching_point": "FeFET learning needs hysteresis window, wake-up, fatigue, imprint, and retention boundaries together."
    }
  ],
  "methods": [
    "Memory window starts from a nominal hysteresis width, then includes wake-up, fatigue, and temperature-loss terms.",
    "Imprint shift increases with cycle count and temperature.",
    "Usable window subtracts imprint and a fixed sensing guardband from the memory window."
  ],
  "limitations": [
    "No HfO2 stack, domain switching model, measured polarization, retention, endurance, or wake-up/fatigue dataset is included.",
    "No process integration, embedded NVM, or product-memory claim is made.",
    "Real FeFET work needs material stack, pulse protocol, measured hysteresis, and retention/endurance evidence."
  ],
  "evidence": [
    "v64 deep results store every cycle, temperature, pulse, window, and imprint row.",
    "CSV export preserves the ferroelectric-memory table.",
    "The source spine keeps this as an emerging-memory lesson with explicit uncertainty."
  ],
  "sources": [
    {
      "label": "IEEE IRDS",
      "url": "https://irds.ieee.org/",
      "note": "Roadmap source spine for SCM, Flash, ferroelectric, and emerging-memory vocabulary."
    },
    {
      "label": "CrossSim",
      "url": "https://github.com/sandialabs/cross-sim",
      "note": "External analog in-memory computing reference kept link-only until manual review."
    },
    {
      "label": "MNSIM 2.0",
      "url": "https://github.com/thu-nics/MNSIM-2.0",
      "note": "External memristor PIM reference kept link-only until rights review."
    },
    {
      "label": "Kioxia multi-level cell technology",
      "url": "https://www.kioxia.com/en-jp/rd/technology/multi-level-cell.html",
      "note": "Public vendor explainer for threshold-state reading vocabulary; v64 uses original teaching data."
    }
  ],
  "source_seed_run": "07_assets/factory_lab/experiments/DEEP_SEMICONDUCTOR_V64_2026-08-14/"
}