Substrate effects on the surface topography of evaporated gold films—A scanning tunnelling microscopy investigation
نویسندگان
چکیده
منابع مشابه
Substrate Effeci’s on the Surface Topography of Eva~~~d Gold Films - a Scanning Knelling Microscopy Investigation
Direct observation of surface roughness on metal films is a longstanding problem in thin film characte~tion. In this work the high quality of scanning tunnelhng microscopy (STM) was used for investigation of evaporated gold films. A scanning tunnel&g microscope able to scan areas up to 0.8 x 0.8 pm with high reproducibility is presented. The topography of 80 nm thick gold films grown under iden...
متن کاملSurface topography of stenotic aortic valves by scanning electron microscopy.
Surface features of 19 stenotic aortic valves from patients undergoing valve replacement were investigated by scanning electron microscopy. Villi, prominent on five valves, were distributed either singularly or in clusters and differed in shape. Endothelial cells had microvilli and bulbous surface projections. Endothelial disruption with a focal loss of endothelial cells was uniformly observed...
متن کاملScanning tunnelling microscopy of suspended graphene.
Suspended graphene has been studied by STM for the first time. Atomic resolution on mono- and bi-layer graphene samples has been obtained after ridding the graphene surface of contamination via high-temperature annealing. Static local corrugations (ripples) have been observed on both types of structures.
متن کاملScanning tunnelling microscopy studies of silicides
We review the topic of scanning tunnelling microscopy (STM) studies of silicides, with an emphasis on fundamental scientific issues that can be addressed using STM and ballistic-electron-emission microscopy (BEEM). The discussion is organized according to the topics of structure (atomic scale precursors, surface reconstructions, bulk structures, interfaces) kinetics and growth (direct atomic me...
متن کاملScanning tunnelling microscopy and spectroscopy of MgB2
Experiments of the scanning tunnelling microscopy and spectroscopy (STM/STS) have been carried out on the layered superconductor MgB2 with Tc = 39 K. The measurements were done at 5 K using a Pt-Ir tip and the single-crystal grain. The STM images show characteristic hexagonal patterns with the distances of nearest neighbour atoms to be 0.3 – 0.35 nm and 0.15 – 0.2 nm, respectively, which are co...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Surface Science
سال: 1989
ISSN: 0039-6028
DOI: 10.1016/0039-6028(89)90622-5