heat properties
DESCRIPTION
dari dosen hehehheTRANSCRIPT
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Heat Properties of Solid
Specific heat
Entropy
Free Energy
Perovskite structure
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C is extensive properties
NaCu2O2
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Spin Liquid
Dy2TiO7
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2-levels splitting (Schottky anomaly)
Maximum point
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Phonon Specific heat (Einstein model)
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Phonon Specific heat (Debye model)
Debye model @low T
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Electronic Specific heat
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Total differential entropy of magnetic system
For the adiabatic process
and constant pressure
MAGNETOCALORIC EFFECT
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MAGNETIC ENTROPY
From the specific heat measurement
From the magnetization measurement
Maxwell relation
( ) ( )
+
H HM dHHTMdHHTTMTS 0 0 ,,1
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PEFORMANCE OF MAGNETOCALORIC PROPERTIES
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SOME MAGNETOCALORIC MATERIALS
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SOME MAGNETOCALORIC MATERIALS
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RECENT MAGNETOCALORIC MATERIALS
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COMPARISION BETWEEN MCE
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RECENT MAGNETOCALORIC MATERIALS
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MAGNETIC REFRIGERATION
ERICSSON CYCLE
BRYTON CYCLE
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