dataset:
  title: "PFNC GST HAADF-STEM/EDS Tomography — Lamella b2_d3"
  repository_slug_recommended: "pfnc-gst-haadf-stem-eds-tomography-b2-d3"
  version: "1.0.0-release-candidate"
  license: "cc-by-nc-nd-4.0"
  release_authorization:
    cea: true
    sample_owner: true

provenance:
  lamella_identifier: "b2_d3"
  filename_identifier: "D3"
  dataset_provider: "Daniel Del Pozo Bueno"
  original_acquisition_operator:
    name: "Zineb Saghi"
    email: "zineb.saghi@cea.fr"
  curator:
    name: "Daniele Picone"
    email: "daniele.picone@cea.fr"
  scientific_contact:
    name: "Daniel Del Pozo Bueno"
    email: "daniel.delpozobueno@cea.fr"
  pfnc_contact:
    name: "Zineb Saghi"
    email: "zineb.saghi@cea.fr"
  dataset_organization: "CEA-Leti, Grenoble"
  acquisition_facility: "PFNC, CEA Grenoble"
  acquisition_institute_context: "CEA-Liten"

instrument:
  manufacturer: "Thermo Fisher Scientific"
  model_family: "Titan Themis"
  exact_generation_or_submodel: "UNKNOWN"
  operating_voltage_kv: 200
  probe_corrected: true
  eds_system:
    name: "Super-X"
    detector_type: "silicon drift detector"
    detector_count: 4
    embedded_identifier: "SuperXG1"
  software:
    name: "Velox"
    version: "3.17.0.967-b5399cab"
  emd:
    format: "Velox EMD"
    format_version: 11

sample:
  identifier: "b2_d3"
  filename_identifier: "D3"
  system: "Ge-Sb-Te phase-change-memory device"
  specimen: "cross-sectional FIB lamella"
  operational_state: "UNKNOWN: virgin or SET"
  approximate_gst_region_thickness_nm: 50
  holder: "Fischione single-axis tomography holder"
  tilt_axis_relation: "parallel to GST layer"

acquisition:
  date: "2025-07-07"
  accelerating_voltage_kv: 200
  beam_current_pa: 115
  camera_length_mm: 110
  pixel_size_angstrom: 10.67
  frame_shape_vu: [400, 300]
  dwell_time_us: 40
  frames_per_tilt: 50
  time_per_frame_s: 5.57
  cumulative_time_per_tilt_s: 278.5
  intended_angles_deg: [-40, -35, -30, -25, -20, -15, -10, -5, 0, 5, 10, 15, 20, 25, 30, 35, 40]
  retained_angles_deg: [-40, -35, -30, -25, -20, -15, -10, -5, 0, 10, 15, 20, 25, 30, 35, 40]
  discarded_angle_deg: 5
  discarded_acquisition_number: 10
  discarded_reason: "acquisition corruption"

raw_data:
  filename_pattern: "D3_EDS-HAADF_<acquisition>_<signed-angle>.emd"
  haadf:
    shape_per_tilt: [400, 300, 50]
    dtype: uint16
  eds:
    spectral_bins: 4096
    frames_per_tilt: 50
    stream_dtype: uint16
    integrated_spectrum_dtype: uint32
    rendered_map_mode: NetIntensity
    embedded_elements: [N, O, Si, Ti, Ge, Sb, Te]

derived_data:
  haadf_alignment:
    reference_angle_deg: 0
    shift_units: pixels
    parameter_shape: [16, 2]
    component_order: UNKNOWN
    sign_convention: UNKNOWN
  elemental_stacks: [Ge, Sb, Te, Ti, Si]

associated_study:
  title: "Unsupervised Deep Learning for Limited-Angle STEM-EDX Tomography -- Application to 3D Chemical Analysis of Phase-Change Memory Devices"
  arxiv: "2606.10547"
  doi: "10.48550/arXiv.2606.10547"
  association_status: "confirmed by dataset provider"