Magnetic switching of phase-slip dissipation in NbSe2 nanoribbons

被引：20

作者：

Falk, Abram

Deshmukh, Mandar M.

Prieto, Amy L.

Urban, Jeffrey J.

Jonas, Andrea

Park, Hongkun

机构：

[1] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[2] Harvard Univ, Dept Chem & Biol Chem, Cambridge, MA 02138 USA

来源：

PHYSICAL REVIEW B | 2007年 / 75卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.75.020501

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The stability of the superconducting dissipationless and resistive states in single-crystalline NbSe2 nanoribbons is characterized by transport measurements in an external magnetic field (H). Current-driven electrical measurements show voltage steps, indicating the nucleation of phase-slip structures. Well below the critical temperature, the position of the voltage steps exhibits a sharp, periodic dependence as a function of H. This phenomenon is discussed in the context of two possible mechanisms: the interference of the order parameter and the periodic rearrangement of the vortex lattice within the nanoribbon.

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页数：4

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