Pith Number

pith:JF2K6S6N

pith:2026:JF2K6S6NZ2CLCWXGBBUM6JP52A

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Hierarchical spectral inhomogeneity in photoluminescence of a twisted MoSe2/WSe2 heterobilayer moir\'e superlattice revealed by hyperspectral mapping

Daichi Kozawa, Kenji Watanabe, Nurul Fariha Ahmad, Ryo Kitaura, Takashi Taniguchi, Yuto Urano

Hyperspectral mapping shows MoSe2/WSe2 moiré photoluminescence organizes into three spectral families forming micron-scale domains, each retaining unresolved dense peaks.

arxiv:2604.16939 v2 · 2026-04-18 · cond-mat.mtrl-sci · cond-mat.mes-hall

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\pithnumber{JF2K6S6NZ2CLCWXGBBUM6JP52A}

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Claims

C1strongest claim

These results establish hierarchical inhomogeneity as an organizing principle of MoSe2/WSe2 moiré superlattice photoluminescence.

C2weakest assumption

That the identified spectral families and their spatial correlations reflect intrinsic material properties rather than artifacts from optical resolution limits, sample inhomogeneity, or the specific peak-feature extraction methods used.

C3one line summary

Hyperspectral mapping shows hierarchical spectral inhomogeneity in MoSe2/WSe2 moiré superlattice photoluminescence, with contiguous micron-scale spectral domains and local unresolved complexity.

Receipt and verification

First computed	2026-05-25T02:01:20.585670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4974af4bcdce84b15ae60868cf25fdd02e61f525381167ab118531f3c4eb3df7

Aliases

arxiv: 2604.16939 · arxiv_version: 2604.16939v2 · doi: 10.48550/arxiv.2604.16939 · pith_short_12: JF2K6S6NZ2CL · pith_short_16: JF2K6S6NZ2CLCWXG · pith_short_8: JF2K6S6N

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JF2K6S6NZ2CLCWXGBBUM6JP52A \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4974af4bcdce84b15ae60868cf25fdd02e61f525381167ab118531f3c4eb3df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e4024b5f411f9abcf4562b488f63461077947db942fb684a7fc306e4e97b8e1",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2026-04-18T09:45:36Z",
    "title_canon_sha256": "15cf25e2d5acd3518245f1346b562f1a7d6053b8aa5d926d34e60e6f469377b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.16939",
    "kind": "arxiv",
    "version": 2
  }
}