Phenomenon · phenomenon:anomalous-nernst-effect

Anomalous Nernst effect

In a magnetised conductor a temperature gradient produces a transverse voltage proportional to the magnetisation rather than to an applied field. Allows thermopiles laid out as simple films.

Spin systemsfirst reported 1886

Atlas record: 3 claims reference this phenomenon — 2 replicated and 1 established.

Explorerelations · matrix context · routes · sources · cite

conditions: solid · ferromagnet required · temperature gradient required

3claims10enumerated routes1routes with complete-composition evidence0candidate routes not searched2cited sources

Relations

drives · 1

Temperature gradient—drives→Anomalous Nernst effectreplicated

a magnetised ferromagnet or topological semimetal; no external field needed once magnetised

produces · 1

Anomalous Nernst effect—produces→Charge carriersreplicated

member of · 1

Anomalous Nernst effect—member of→Spin caloritronicestablished

Matrix context

D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.

D.01 × C.17 · Temperature gradient × Spin caloritronic · Established

family: Spin caloritronic (C.17)

Enumerated routes through this · 10

Anomalous Nernst thermopile3/3 est · demonstrated
Chemical potential difference → Combustion → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work5/5 est · extends a recorded pathway
Electric potential difference → Peltier effect → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work5/5 est · same energy form
Electric potential difference → Ettingshausen effect → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work5/5 est · same energy form
Incident radiation flux → Photothermal absorption → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work5/5 est · extends a recorded pathway
Radiative imbalance with the sky → Radiative sky cooling → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work5/5 est · extends a recorded pathway
Nuclear binding-energy difference → Nuclear fission → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work5/5 est · extends a recorded pathway
Nuclear binding-energy difference → Nuclear fusion → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work3/5 est · extends a recorded pathway
Nuclear binding-energy difference → Radioactive decay → Beta particles → Radioisotope heating → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work7/7 est · extends a recorded pathway
Nuclear binding-energy difference → Radioactive decay → Alpha particles → Radioisotope heating → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work7/7 est · extends a recorded pathway

Cited sources · 2

[1]
A. Sakai, et al.. Giant anomalous Nernst effect and quantum-critical scaling in a ferromagnetic semimetal (2018)
Nature Physics 14, 1119–1124 · doi:10.1038/s41567-018-0225-6 · crossref ✓ 2026-09-19 · record
[2]
G. E. W. Bauer, E. Saitoh, B. J. van Wees. Spin caloritronics (2012)
Nature Materials 11, 391–399 · doi:10.1038/nmat3301 · crossref ✓ 2026-09-19 · record

Cite this entity

Physical Transformation Atlas (2026). entity phenomenon:anomalous-nernst-effect: Anomalous Nernst effect. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/phenomenon/anomalous-nernst-effect

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