Influence of carbon coated pBN crucible on crystal growth of Cd0.9Zn0.1Te for radiation detector applications

► A disadvantage of pBN crucibles is the crucible material interacting with the melt during growth. ► A carbon coating system for coating pBN crucibles has been implemented. ► GDMS measurements show lower contamination in cc-pBN than in pBN crucibles. ► SEM measurements show reduced interaction between melt and crucible for cc-pBN. ► Devices harvested from cc-pBN crucibles behave well as radiation detectors.