Single Crystal Growth of the New Pressure-induced-superconductor CrAs via Chemical Vapor Transport

TL;DR

This paper reports the successful growth of large single crystals of CrAs using chemical vapor transport, enabling detailed study of its pressure-induced superconductivity and magnetic properties.

Contribution

It introduces a new method for growing larger CrAs single crystals, facilitating advanced research into its superconducting and magnetic behaviors.

Findings

CrAs single crystals of 1*5*1 mm^3 size were successfully grown.

The physical properties of the crystals were characterized.

The growth method enables further exploration of pressure-induced superconductivity.

Abstract

Mono-arsenide CrAs, endures a helical anti-ferromagnetic order transition at~ 265 K under ambient pressure. Recently, pressure-induced-superconductivity was discovered vicinity to the helical anti-ferromagnetic order in CrAs[Wei Wu et al., Nature Communications 5, 5508 (2014).]. However, the size of crystal grown via tin flux method is as small as 1 mm in longest dimension. In this work, we report the single crystal growth of CrAs with size of 1 * 5 * 1 mm3 via chemical vapor transport method and its physical properties.