Abstract
We study the behavior of the dHvA oscillation from the two-dimension to the three-dimension by changing the interlayer hopping t z . We show that the oscillation of the chemical potential is gradually suppressed as t z increases. It results from the broadening of the width of the Landau level. In the quasi-two-dimensional magnetic breakdown system such as κ-(BEDT-TTF) 2 Cu(NCS) 2 , the quantum interference oscillation such as β-α oscillation is suppressed, while the amplitude of the β+α oscillation has a maximum as a function of t z . This interesting dependence on the dimensionality can be observed in quasi-two-dimensional metals under the uniaxial pressure.
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