(Hall Effect)*
PN
*
?
Edwin H. Hall 1879
()
P()P
(B) (Al) (Ga) (In) *
NN
(P) (As) (Sb)
P()
y
A1A2xZ
Z FeqE
FB=FE qvBqE E=vB
-----()*SHIFT
*N SN()
N()
B-V
(F.W BELL) SN*
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