Journal Guides7 min readUpdated Mar 25, 2026

Small Journal Cover Letter: What Editors Actually Need to See

Small publishes micro and nanoscience where the small length scale drives the science. Your cover letter must prove the work is nano-driven, not just that it happens at the nanoscale.

By Senior Researcher, Chemistry

Senior Researcher, Chemistry

Author context

Specializes in manuscript preparation and peer review strategy for chemistry journals, with deep experience evaluating submissions to JACS, Angewandte Chemie, Chemical Reviews, and ACS-family journals.

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How to use this page well

These pages work best when they behave like tools, not essays. Use the quick structure first, then apply it to the exact journal and manuscript situation.

Question
What to do
Use this page for
Getting the structure, tone, and decision logic right before you send anything out.
Most important move
Make the reviewer-facing or editor-facing ask obvious early rather than burying it in prose.
Common mistake
Turning a practical page into a long explanation instead of a working template or checklist.
Next step
Use the page as a tool, then adjust it to the exact manuscript and journal situation.

Quick answer: a strong Small cover letter proves the work is nano-driven, not just nano-sized. The editors want to see that the micro or nanoscale is what makes the science work, not just the material's physical dimension.

What the official sources do and do not tell you

The Small author guidelines explain scope (micro and nanoscience) and the Wiley ScholarOne submission process. They do not spell out that roughly 40 to 50% of submissions are desk-rejected, or that the most common failure is submitting work that is merely at the nanoscale without the nanoscale being scientifically meaningful.

What the editorial model implies:

  • the journal covers nanomaterials, nanodevices, microfabrication, nanofluidics, and micro/nanosystems
  • editors screen for whether the small length scale drives the finding, not just describes the material
  • both Communications and full papers are accepted
  • the journal sits between Nano Letters (short, focused) and ACS Nano (longer, deep characterization) in scope

What the editor is really screening for

At triage, the editor is asking:

  • does the micro or nanoscale drive the scientific finding?
  • is there a clear advance over the current state of the art at this scale?
  • is the characterization adequate for the claims being made?
  • does this paper fit Small specifically, or would it work equally well in a general materials journal?

What a strong Small cover letter should actually do

A strong letter usually does four things:

  • states the main finding and why the small length scale is essential to it
  • identifies the specific area of micro/nanoscience (nanomaterials, nanodevices, microfluidics, etc.)
  • highlights the characterization methods that support the nano-scale claims
  • specifies the article type (Communication or full paper)

A practical template you can adapt

Dear Editor,

We submit "[TITLE]" for consideration as a [Communication / Full
Paper] in Small.

[1–2 sentences: the main finding. Explain why the micro or
nanoscale is essential to this result.]

[1–2 sentences: the specific area of nanoscience and the key
characterization or fabrication methods used.]

[1 sentence: what advances beyond the current state of the art.]

We confirm this manuscript is original and not under consideration
elsewhere. All authors have approved the submission.

Suggested reviewers:
1. [Name], [Institution], [email]
2. [Name], [Institution], [email]
3. [Name], [Institution], [email]

Sincerely,
[Name, Affiliation, Email, ORCID]

Mistakes that make these letters weak

The common failures are:

  • submitting work that happens to be at the nanoscale but is not scientifically driven by the nanoscale
  • writing a generic materials letter with no mention of the length-scale dependence
  • inadequate characterization for the claims (e.g., TEM images without statistical size analysis)
  • not specifying whether the submission is a Communication or full paper
  • claiming broad impact without specific evidence

What should drive the submission decision instead

Before polishing the letter further, confirm the journal fit is honest.

The better next reads are:

If the work is a short focused finding, Nano Letters may be the higher-impact option. If it requires deep characterization with extensive supplementary data, ACS Nano is the natural alternative. If the work is primarily about material properties without a nanoscale story, Advanced Functional Materials or Journal of Materials Chemistry A may be better fits.

Practical verdict

The strongest Small cover letters put the length-scale dependence front and center. They show why the science works because of the nanoscale, not merely at the nanoscale.

A free Manusights scan can help check whether your cover letter makes the nano-driven argument clearly or whether it reads as a generic materials pitch.

References

Sources

  1. 1. Small author guidelines, Wiley.
  2. 2. Clarivate Journal Citation Reports, 2025 release.

Reference library

Use the core publishing datasets alongside this guide

This article answers one part of the publishing decision. The reference library covers the recurring questions that usually come next: how selective journals are, how long review takes, and what the submission requirements look like across journals.

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