Temperature gradient —drives→ Thermomagnetic (Curie-point) transition

Conditions

• a soft ferromagnet with its Curie temperature between the hot and cold reservoir temperatures (Gd ≈ 293 K)
• the element must be cycled between the reservoirs, so a heat-switch or motion is needed

Evidence · 3

1. [1]
   N. Tesla. Pyromagneto-electric generator (US Patent 428,057) (1890)

   United States Patent Office · patents.google.com/patent/US428057A · record
2. [2]
   R. A. Kishore, S. Priya. A review on design and performance of thermomagnetic devices (2018)

   Renewable and Sustainable Energy Reviews 81, 33–44 · doi:10.1016/j.rser.2017.07.035 · crossref ✓ 2026-09-19 · record
3. [3]
   A. Waske, et al.. Energy harvesting near room temperature using a thermomagnetic generator with a pretzel-like magnetic flux topology (2019)

   Nature Energy 4, 68–74 · doi:10.1038/s41560-018-0306-x · crossref ✓ 2026-09-19 · record

Matrix cells this relation feeds

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

Uses of this claim

• Thermomagnetic generatordemonstrated · 5 steps

• Chemical potential difference → Combustion → Temperature gradient → Thermomagnetic (Curie-point) transition → Changing magnetic flux → Electromagnetic induction → Charge carriers → Electrical work6/7 established · extends a recorded pathway
• Electric potential difference → Peltier effect → Temperature gradient → Thermomagnetic (Curie-point) transition → Changing magnetic flux → Electromagnetic induction → Charge carriers → Electrical work6/7 established · same energy form
• Electric potential difference → Ettingshausen effect → Temperature gradient → Thermomagnetic (Curie-point) transition → Changing magnetic flux → Electromagnetic induction → Charge carriers → Electrical work6/7 established · same energy form
• Incident radiation flux → Photothermal absorption → Temperature gradient → Thermomagnetic (Curie-point) transition → Changing magnetic flux → Electromagnetic induction → Charge carriers → Electrical work6/7 established · extends a recorded pathway
• Radiative imbalance with the sky → Radiative sky cooling → Temperature gradient → Thermomagnetic (Curie-point) transition → Changing magnetic flux → Electromagnetic induction → Charge carriers → Electrical work6/7 established · extends a recorded pathway
• Nuclear binding-energy difference → Nuclear fission → Temperature gradient → Thermomagnetic (Curie-point) transition → Changing magnetic flux → Electromagnetic induction → Charge carriers → Electrical work6/7 established · extends a recorded pathway
• Nuclear binding-energy difference → Nuclear fusion → Temperature gradient → Thermomagnetic (Curie-point) transition → Changing magnetic flux → Electromagnetic induction → Charge carriers → Electrical work4/7 established · extends a recorded pathway

Cite this claim

Physical Transformation Atlas (2026). claim claim:thermomagnetic-drives: Temperature gradient —drives→ Thermomagnetic (Curie-point) transition. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/claim/thermomagnetic-drives

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