Tunneling Conductivity in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mn>4</mn><mi>H</mi><mi>b</mi></math></span>-Ta<span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">S</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></math></span>

W. J. Wattamaniuk; J. P. Tidman; R. F. Frindt

doi:10.1103/PhysRevLett.35.62

Tunneling Conductivity in $4 H b$ -Ta $S_{2}$

W. J. Wattamaniuk, J. P. Tidman, and R. F. Frindt

Phys. Rev. Lett. 35, 62 – Published 7 July 1975

Abstract

A $T^{2}$ behavior for the conductivity across the layers is observed in $4 H b$ -Ta $S_{2}$ crystals below 35 K. This indicates that tunneling occurs between metallic layers separated by an insulating layer. Evidence for thermally activated hopping is observed at higher temperatures.