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Driving Perpendicular Heat Flow: (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mo mathvariant="bold">×</mml:mo><mml:mi>n</mml:mi></mml:math>)-Type Transverse Thermoelectrics for Microscale and Cryogenic Peltier Cooling
Whereas thermoelectric performance is normally limited by the figure of merit $ZT$, transverse thermoelectrics can achieve arbitrarily large temperature differences in a single leg even with inferior $ZT$ by being geometrically tapered. We introduce a band-engineered transverse thermoelectric with $p$-type Seebeck in one direction and $n$-type orthogonal, resulting in off-diagonal …