PbS

Conventional

How to read these data

Each property selection has its own source, conditions and result identity. Expand a value to inspect them. Observed and Computed describe the source report; catalogue eligibility and a clear anomaly check do not establish scientific validity. Different properties need not describe the same sample or state.

Missing pressure is not ambient pressure. Text structure claims remain separate from validated coordinates. A source-linked value does not override a material review hold. Source recovery candidates and external calculated references do not replace selected measurements.

Tc max

12.3 KRecord: Observed

Result: legacy-result:17a56d4d0d107a7736fa532a250f1bb30b4ae61baa845dea8a6f7d79ad560b94
Source: aps:10.1103/PhysRevB.107.174502
DOI: Not supplied in this record
Locator: Not supplied in this record
Source year: 2023
Record origin: Observed
Record source role: primary
Measurement context: resistivity
Protocol: Not supplied in this record
State ID: Not supplied in this record
Sample ID: Not supplied in this record
Structure ID: Not supplied in this record
Run ID: Not supplied in this record
Source formula: PbS
Raw formula: Not supplied in this record
Pressure: 19.1 GPa
Temperature (role unknown): Not supplied in this record
Measurement T

Record-level classification does not independently establish how each property was measured, computed or inferred.

No findings under this policy

Policy: anomaly-review/1.0.0. No findings is not scientific acceptance. A format issue means the parser or metadata needs review, not that the physics is impossible.

Result: legacy-result:17a56d4d0d107a7736fa532a250f1bb30b4ae61baa845dea8a6f7d79ad560b94

Operational references are review triggers, not physical upper limits. Values are not clipped or replaced by this display; source corrections require separate evidence-backed revision.

Structure attached to this result

Structure: CsCl-type
Space group: Pm-3m
Phase: B2
Lattice: —

One source record; not a reconstruction from independently selected lattice and symmetry fields.

Open source paper

Selection: legacy exact support. Catalogue property only, not a joint observation.

Notes: state structure association incomplete

Other source results (4)

These are retained proposals, not public-eligible headline selections. Some may require anomaly review; numerical display does not approve them for scientific use.

4 K · record origin: Observed · not the headline selection
Result
legacy-result:1fc41f5829a2337f215753bb035f74c7f31d88179e60fa070e67ce615b817282
Source
arxiv:1511.05079
DOI
Not supplied in this record
Locator
Not supplied in this record
Source year
2015
Record origin
Observed
Record source role
primary
Measurement context
resistivity
Protocol
Not supplied in this record
State ID
Not supplied in this record
Sample ID
Not supplied in this record
Structure ID
Not supplied in this record
Run ID
Not supplied in this record
Source formula
PbS

Tc ambient

—Selection unresolved

Selection unresolved. A legacy catalogue value is not substituted without its contributing result.

Retained result available; origin or selection remains unresolved.

Selection: none. Catalogue property only, not a joint observation.

Notes: legacy summary has no exact source support

Retained source results (5)

These are retained proposals, not public-eligible headline selections. Some may require anomaly review; numerical display does not approve them for scientific use.

12.3 K · record origin: Observed · not the headline selection
Result
legacy-result:17a56d4d0d107a7736fa532a250f1bb30b4ae61baa845dea8a6f7d79ad560b94
Source
aps:10.1103/PhysRevB.107.174502
DOI
Not supplied in this record
Locator
Not supplied in this record
Source year
2023
Record origin
Observed
Record source role
primary

Catalogue year

2001

Source links · not replications

3 IDs

Reported classifications and mechanism evidence

Reported classifications, priors and support

Unknown, not reported, reported false and not applicable are distinct states. A scoped negative report does not establish universal absence. Reported classifications are source assertions, not scientific approval or a joint Tc/state observation.

Current reported-property projection; inspect individual evidence before reuse.
Property	Reported status / value	Evidence and conditions
Pairing symmetry	UnknownNot a negative finding Basis: unresolved retained records	Inspect 6 retained reports Retained report: Unavailable Source assertion only; not a verified material property. Result: legacy-semantics:17a56d4d0d107a7736fa532a250f1bb30b4ae61baa845dea8a6f7d79ad560b94 · revision: Unknown Retained occurrences: 1 · repeated records are not replications. aps:10.1103/PhysRevB.107.174502 Identifiers: paper_id: aps:10.1103/PhysRevB.107.174502 Source status: active · origin: Observed · role: primary Method: resistivity · evidence status: unknown State / conditions: { "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 19.1, "lower": null, "upper": null, "uncertainty": null } }

Tc · Observed-record selection

12.3 KRecord: Observed

Result: legacy-result:17a56d4d0d107a7736fa532a250f1bb30b4ae61baa845dea8a6f7d79ad560b94
Source: aps:10.1103/PhysRevB.107.174502
DOI: Not supplied in this record
Locator: Not supplied in this record
Source year: 2023
Record origin: Observed
Record source role: primary
Measurement context: resistivity
Protocol: Not supplied in this record
State ID: Not supplied in this record
Sample ID: Not supplied in this record
Structure ID: Not supplied in this record
Run ID: Not supplied in this record
Source formula

Evidence (6 records from 3 linked bibliographic IDs)

Each row is a retained extraction with its own conditions and source.

Tc type and lexical criterion remain separate retained fields. Hc2 is a record field; sharing a row does not establish a joint measurement, its probe method or Hc2(0).

How to read these records

Retained values and catalogue eligibility do not establish scientific approval. Operational anomaly checks flag records for review; no findings is not scientific validation. Repeated reports are not independent replications. Open each row’s review details or the retained-record Archive to inspect the supplied policy metadata.

Retained Tc (K)	Record origin / role	Review	P (GPa)	Sample	Method	Retained Hc2	Pairing	Year	Source tier	Paper
12.3 Retained Tc type: onset	Observedprimary source role	Review details Policy: anomaly-review/1.0.0. No findings is not scientific acceptance. A format issue means the parser or metadata needs review, not that the physics is impossible.

Retained-record Archive

Catalogue eligible — not scientific approval

Catalogue eligibility is a read-policy decision, not experimental confirmation or permission to use every property for ML.

Source status and revision

Policy: material-visibility/1.0.0 · source status: active · review revision: 1f9e751919f85fa5d7ffd1bab19b998494ff58797a53d790caa695b189720eda

Only scientific fields authorized by the server for this material are shown. This is not a full historical archive, the complete source document or a guarantee that all previously excluded data can be recovered. Restricted or quarantined data is not retrieved through another route.

Policy: anomaly-review/1.0.0 · scope: retained material records · field policy: scientific allowlist, not full source

Showing 6 returned records. Raw means the retained extraction representation; it is not necessarily a verbatim source quotation or an accepted scientific result.

Download authorized Archive with review metadata (JSON)

Structure and lattice evidence

Structure and phase · pending evidence review

Textual phase, crystal and space-group claims remain proposals until their material, sample/state and source revision are reviewed. Literal text matching is not scientific approval. No validated coordinates or structural descriptors are supplied by this view.

Phase: Pending source reviewText label ≠ coordinate structure
Crystal structure: Pending source reviewText label ≠ coordinate structure
Space group: Pending source reviewText label ≠ coordinate structure

Retained proposals: 12 · Unassigned mentions: 0. Counts are not independent structures or accepted results.

Inspect pending structure proposals

space_group: Pm-3m
Pending review · unassigned
Proposal: structure-proposal:13e2693b17e65e15810e745ecd5ce6343fde9d4e8841e26765ab5943f805b25f
aps:10.1103/PhysRevB.107.174502
Reported source content hash: Unknown · publication revision: Unknown
Source bytes and source revision are not independently rechecked by this page.
Source excerpt withheld pending access and redistribution review. Source availability does not establish permission to publish an excerpt.
Reported excerpt hash: Unknown
Locator: Unknown · ?–?. Assembled-text offsets are not PDF page numbers.
Proposed subject / state:
```
{
  "formula": "PbS",
  "pressure": {
    "state": "reported",
    "relation": "exact",
    "value": 37.4
  },
  "doping": {
    "status": "unreported",
    "relation": "unreported",
    "unit": "1"
  }
}
```

Superconducting parameters

Gap structure

—Not reported

Not reported. A legacy catalogue value is not substituted without its contributing result.

Selection: none. Catalogue property only, not a joint observation.

Hc2

1.86 TRecord: Observed

Result: legacy-result:9248d1e15ea76d64ddcdad647bedda995fc822270d9eb8803f9dc6770973c62c
Source: aps:10.1103/PhysRevB.107.174502
DOI: Not supplied in this record
Locator: Not supplied in this record
Source year: 2023
Record origin: Observed
Record source role: primary

Competing orders

Competing order: —Not reported
Not reported. A legacy catalogue value is not substituted without its contributing result.
Selection: none. Catalogue property only, not a joint observation.
T_CDW: —Not reported
Not reported. A legacy catalogue value is not substituted without its contributing result.
Selection: none. Catalogue property only, not a joint observation.
T_SDW: —Not reported
Not reported. A legacy catalogue value is not substituted without its contributing result.
Selection: none. Catalogue property only, not a joint observation.
T_AFM: —

Samples and pressure evidence

Samples & pressure

Sample form

—Not reported

Not reported. A legacy catalogue value is not substituted without its contributing result.

Selection: none. Catalogue property only, not a joint observation.

Notes: legacy summary missing not recomputed

Retained source results (6)

These are retained proposals, not public-eligible headline selections. Some may require anomaly review; numerical display does not approve them for scientific use.

single_crystal · record origin: Observed · not the headline selection
Result
legacy-result:17a56d4d0d107a7736fa532a250f1bb30b4ae61baa845dea8a6f7d79ad560b94
Source
aps:10.1103/PhysRevB.107.174502
DOI
Not supplied in this record
Locator
Not supplied in this record
Source year
2023
Record origin
Observed

Field coverage & source recovery

See which fields are retained, which need source review, and where missing information can be recovered.

Checking linked source chunks…

MDR SuperCon referencesInspect reported criteria

Browse the separate Organic source table

Materials Project calculated referencesInspect computed structures

Materials Project structures with the same fixed composition. Phase, sample and pressure correspondence require separate review.

Loading calculated reference data…

Crystal structure references · COD

Published crystal metadata matched by composition. These references are separate from this material’s retained properties; sample and phase correspondence need review.

NOMAD calculation referencesInspect calculation tasks

Only tasks with electronic band gaps (includes reported zero)

Open private field cases for this material · Authorized workspace; source proposals remain pending.

{ "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 19.1, "lower": null, "upper": null, "uncertainty": null } }

{ "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 23.9, "lower": null, "upper": null, "uncertainty": null } }

{ "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 44.3, "lower": null, "upper": null, "uncertainty": null } }

{ "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 37.4, "lower": null, "upper": null, "uncertainty": null } }

{ "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 19.1, "lower": null, "upper": null, "uncertainty": null } }

{ "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 23.9, "lower": null, "upper": null, "uncertainty": null } }

{ "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 44.3, "lower": null, "upper": null, "uncertainty": null } }

{ "sample_form": "single_crystal", "structure_phase": "B2", "pressure": { "state": "reported", "relation": "exact", "value": 37.4, "lower": null, "upper": null, "uncertainty": null } }

{ "confidence": 1, "evidence_type": "primary_experimental", "family": "conventional", "formula": "PbS", "measurement": "resistivity", "paper_id": "arxiv:1511.05079", "sample_form": "thin_film", "tc_kelvin": 4, "tc_type": "zero_resistance", "year": 2015 }

{ "confidence": 0.9, "evidence_type": "primary_experimental", "formula": "PbS", "measurement": "resistivity", "paper_id": "aps:10.1103/PhysRevLett.86.512", "sample_form": "thin_film", "tc_type": "unknown", "year": 2001 }

{ "confidence": 1, "crystal_structure": "CsCl-type", "evidence_type": "primary_experimental", "family": "conventional", "formula": "PbS", "hc2_conditions": "0 K, onset", "hc2_tesla": 1.86, "measurement": "resistivity", "paper_id": "aps:10.1103/PhysRevB.107.174502", "pressure_gpa": 23.9, "sample_form": "single_crystal", "space_group": "Pm-3m", "structure_phase": "B2", "tc_kelvin": 12, "tc_type": "onset", "year": 2023 }

{ "confidence": 1, "crystal_structure": "CsCl-type", "evidence_type": "primary_experimental", "family": "conventional", "formula": "PbS", "measurement": "resistivity", "paper_id": "aps:10.1103/PhysRevB.107.174502", "pressure_gpa": 44.3, "sample_form": "single_crystal", "space_group": "Pm-3m", "structure_phase": "B2", "tc_kelvin": 6.8, "tc_type": "onset", "year": 2023 }

{ "confidence": 1, "crystal_structure": "CsCl-type", "evidence_type": "primary_experimental", "family": "conventional", "formula": "PbS", "measurement": "resistivity", "paper_id": "aps:10.1103/PhysRevB.107.174502", "pressure_gpa": 19.1, "sample_form": "single_crystal", "space_group": "Pm-3m", "structure_phase": "B2", "tc_kelvin": 12.3, "tc_type": "onset", "year": 2023 }

{ "confidence": 1, "crystal_structure": "CsCl-type", "evidence_type": "primary_experimental", "family": "conventional", "formula": "PbS", "measurement": "resistivity", "paper_id": "aps:10.1103/PhysRevB.107.174502", "pressure_gpa": 37.4, "sample_form": "single_crystal", "space_group": "Pm-3m", "structure_phase": "B2", "tc_kelvin": 8.3, "tc_type": "onset", "year": 2023 }

PbS

Reported classifications, priors and support

Evidence (6 records from 3 linked bibliographic IDs)

Structure and phase · pending evidence review

Superconducting parameters

Competing orders

Samples & pressure

Field coverage & source recovery

Family and domain priors · Inferred, not measured

Variation, extraction conflicts and scientific disputes

Reported Tc / state variability

Extraction inconsistency

Scientific dispute

Source support counts · not independent confirmation

Lattice parameters — separate source selections

EPC association — separate from model applicability