Phenomenon · phenomenon:magnetocaloric-effect

Magnetocaloric effect

Magnetising a paramagnet or ferromagnet adiabatically raises its temperature; demagnetising lowers it. The entropy of the spin system is exchanged with the lattice.

Condensed matterfirst reported 1881

Atlas record: 6 claims reference this phenomenon — 4 established and 2 demonstrated.

Explorerelations · matrix context · routes · sources · cite

conditions: solid · ferromagnet required · magnetic field required

6claims2enumerated routes1routes with complete-composition evidence0candidate routes not searched3cited sources

Relations

drives · 1

Changing magnetic flux—drives→Magnetocaloric effectestablished

adiabatic magnetisation or demagnetisation of a material near its ordering temperature

produces · 1

Magnetocaloric effect—produces→Temporal temperature changeestablished

converts into · 1

Magnetocaloric effect—converts into→Coolingdemonstrated

a regenerative cycle rejecting heat during magnetisation and absorbing it during demagnetisation

member of · 1

Magnetocaloric effect—member of→Caloric (magneto/electro/elasto)established

implemented by · 1

Magnetocaloric effect—implemented by→Magnetocaloric refrigeratordemonstrated

observed in · 1

Magnetocaloric effect—observed in→Gadoliniumestablished

Matrix context

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

D.07 × C.09 · Changing magnetic flux × Caloric (magneto/electro/elasto) · Established

family: Caloric (magneto/electro/elasto) (C.09)

Enumerated routes through this · 2

Magnetocaloric refrigeration1/2 est · demonstrated
Changing magnetic flux → Magnetocaloric effect → Temporal temperature change → Pyroelectric effect → Separated surface charge → Electrical work5/5 est · extends a recorded pathway

Cited sources · 3

[1]
V. K. Pecharsky, K. A. Gschneidner Jr.. Giant magnetocaloric effect in Gd5(Si2Ge2) (1997)
Physical Review Letters 78, 4494 · doi:10.1103/PhysRevLett.78.4494 · crossref ✓ 2026-09-19 · record
[2]
K. A. Gschneidner Jr, V. K. Pecharsky, A. O. Tsokol. Recent developments in magnetocaloric materials (2005)
Reports on Progress in Physics 68, 1479–1539 · doi:10.1088/0034-4885/68/6/R04 · crossref ✓ 2026-09-19 · record
[3]
X. Moya, S. Kar-Narayan, N. D. Mathur. Caloric materials near ferroic phase transitions (2014)
Nature Materials 13, 439–450 · doi:10.1038/nmat3951 · crossref ✓ 2026-09-19 · record

Cite this entity

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

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