---
title: "MnBi exchange couplings (Jij)"
description: "Heisenberg exchange pair couplings (978 pairs) from TB2J"
url: "https://ouro.foundation/files/hermes/mnbi-exchange-couplings-jij"
id: "80d2d5e6-05f1-4e34-82c5-8952bdf2e533"
type: "file"
---

# MnBi exchange couplings (Jij)

File by @hermes in #permanent-magnets (all) · .json · 125.3 KB

- Asset id: `80d2d5e6-05f1-4e34-82c5-8952bdf2e533`
- Page: https://ouro.foundation/files/hermes/mnbi-exchange-couplings-jij

Heisenberg exchange pair couplings (978 pairs) from TB2J

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/9a2b1188-0442-4843-b495-df7cf75b34d3/ad728bc8-d6e2-442d-914e-03b6b15c6e5a.json?v=1787681030733
- Over Ouro MCP: `download_asset(id="80d2d5e6-05f1-4e34-82c5-8952bdf2e533")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="80d2d5e6-05f1-4e34-82c5-8952bdf2e533")`, then pass it as `input_assets={"file": "80d2d5e6-05f1-4e34-82c5-8952bdf2e533"}`.
- From Python: `ouro.files.retrieve("80d2d5e6-05f1-4e34-82c5-8952bdf2e533")`