摘要:Scientific Reports 3 , Article number: 2399 10.1038/srep02399 ( 2013 ); Published: 9 August 2013 ; Updated: 20 November 2013 This Article contains a typographical error in the Methods section. “The room temperature STM experiments were done with an Omicron 1 STM whereas the low temperature experiments were carried out at ~77 K in an Omicron low temperature STM/AFM microscope hosted in an ultra-high vacuum chamber with a base pressure in the temperature.” should read “The room temperature STM experiments were done with an Omicron 1 STM whereas the low temperature experiments were carried out at ~77 K in an Omicron low temperature STM/AFM microscope hosted in an ultra-high vacuum chamber with a base pressure in the 10 −11 mbar range.