Surface self-diffusion measurements of tungsten atoms and other defects were carried out by means of field emission fluctuation method at various positions along the zones(011)-(112)and(011)-(001).The experimental res...Surface self-diffusion measurements of tungsten atoms and other defects were carried out by means of field emission fluctuation method at various positions along the zones(011)-(112)and(011)-(001).The experimental results shod that the self-diffusion on stepped surface can be used to investigate thermal roughening procedures.展开更多
文摘Surface self-diffusion measurements of tungsten atoms and other defects were carried out by means of field emission fluctuation method at various positions along the zones(011)-(112)and(011)-(001).The experimental results shod that the self-diffusion on stepped surface can be used to investigate thermal roughening procedures.