# High-accuracy graphene quantum Hall array resistance standards based on wye-delta transformation

Source: [Physics : nature.com subject feeds](https://www.nature.com/articles/s41699-026-00749-3) · 2026-11-09 · Physics
Page: https://themorning.science/story/high-accuracy-graphene-quantum-hall-array-resistance-standards-based-on-wye-delt-e449d318a5398455
Kind: research · Impact: low

## In brief

- The article describes high-accuracy resistance standards based on graphene quantum Hall arrays.
- The standards are based on a wye-delta transformation approach, according to the title.

## Why it matters

Quantum Hall resistance standards provide reference values for precise electrical resistance measurement, so improvements in their accuracy matter to metrology laboratories.

## Coverage

- [High-accuracy graphene quantum Hall array resistance standards based on wye-delta transformation](https://www.nature.com/articles/s41699-026-00749-3) — Physics : nature.com subject feeds, 2026-11-09

Tags: graphene, quantum hall effect, resistance standards, metrology

---

Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science