Figure 1: Tunnelling triboelectrification by friction of graphene with a Pt AFM tip. Figure 2: Tunnelling triboelectrification with different types of graphene and equivalent circuit. Figure 3: ...

ASSA ABLOY has acquired Ghost Controls, a US supplier of automated residential gate openers. "I am very pleased to welcome Ghost Controls into the ASSA ABLOY Group. This acquisition delivers on our ...