Discover the Sapphire R7 250 Ultimate in this unboxing and overview video. We dive into the specifics of this fanless graphic card, perfect for silent operation. Learn about its design, performance ...

A comparison of hexagonal boron nitride (hBN) layers grown by chemical vapor deposition on C-plane (0001) versus A-plane (112̅0) sapphire (α-Al2O3) substrate is reported. The high deposition ...