Superconductivity in CuxBi2Se3 and its implications for pairing in the undoped topological insulator.

By Y. Hor, A. Williams, J. Checkelsky, P. Roushan, Jungpil Seo, Qiang Xu, H. Zandbergen, A. Yazdani, N. Ong, R. Cava. Physical Review Letters, 2009

724 citations recorded by the source corpus.

Bi2Se3 is one of a handful of known topological insulators. Here we show that copper intercalation in the van der Waals gaps between the Bi2Se3 layers, yielding an electron concentration of approximately 2x10{20} cm{-3}, results in superconductivity at 3.8 K in CuxBi2Se3 for 0.12<or=x<or=0.15. This demonstrates that Cooper pairing is possible in Bi2Se3 at accessible temperatures, with implications for studying the physics of topological insulators and potential devices.

Subfields: Atomic and Molecular Physics, and Optics, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/f96dce83daf5cddb36974054512620df4aefae8a

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Atomic and Molecular Physics, and Optics

1. Y. Ando
2. M. Zahid Hasan
3. Hsin Lin
4. Arun Bansil
5. Su-Yang Xu
6. R. Cava
7. Masatoshi Sato
8. Y. Hor

In Materials Chemistry

1. Y. Ando
2. M. Zahid Hasan
3. Hsin Lin
4. Arun Bansil
5. Su-Yang Xu
6. R. Cava
7. Masatoshi Sato
8. Y. Hor

Citations in the corpus

• Topological superconductors: a review (2016, methodology): “The superconductivity in CuxBi2Se3 with Tc up to ∼4 K was discovered in 2010 [187].”
• Observation of topological order in a superconducting doped topological insulator (2010, background): “8 o K confirmed by the observation of the Meissner effect [21].”