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Defect and Diffusion Forum is Scopus-indexed (Q3, CiteScore 1). Published by Trans Tech Publications Ltd.
Checked against the index lists dated .
ISSN 1012-0386Verify ISSN ↗1662-9507Verify ISSN ↗
Publisher: Trans Tech Publications Ltd
Cost to publish: No APC data — check the publisher
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Radiation | 52 / 75 | 31st | Q3 |
| Materials Science (all) | 404 / 475 | 15th | Q4 |
| Condensed Matter Physics | 400 / 446 | 10th | Q4 |
Not listed in: Web of Science, DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (subscription), ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 1996–present, best quartile Q3, CiteScore 1.
Defect and Diffusion Forum is Q3 in Radiation (rank 52 of 75), Q4 in Materials Science (all) (rank 404 of 475) and Q4 in Condensed Matter Physics (rank 400 of 446), by CiteScore 2025.
Defect and Diffusion Forum is not in the Web of Science Core Collection (SCIE, SSCI, AHCI or ESCI), so Clarivate publishes no Journal Impact Factor for it. Its Scopus CiteScore is 1, quartile Q3, 31st percentile. Any "impact factor" quoted elsewhere is not the Clarivate metric. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.149, quartile Q4, with an H-index of 38.
Defect and Diffusion Forum is published by Trans Tech Publications Ltd. Its print ISSN is 1012-0386 and its online ISSN is 1662-9507.
No — it is not currently in the Web of Science core collections (SCIE, SSCI, AHCI or ESCI).
No — it is not registered as an open-access journal in DOAJ or Scopus.
Defect and Diffusion Forum has an h-index of 43 and a 2-year mean of 1.83 citations per paper (OpenAlex). Its Scopus CiteScore is 1, quartile Q3. On 2-year citations it ranks #21 of 62 Scopus journals in Radiation.
Defect and Diffusion Forum published 145 papers in 2025; its busiest recent year was 2018 with 352. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
In its latest 99 research articles (2026), authors are most often from Morocco (10.6%), Italy (8.4%) and Germany (7.7%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. No retracted papers are recorded. The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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