Light-modulated scanning tunneling spectroscopy for nanoscale imaging of surface photovoltage
نویسندگان
چکیده
منابع مشابه
Temperature-modulated scanning tunneling spectroscopy of gold nanoparticle dropcast films
The electronic conductivity of a gold nanoparticle dropcast film was examined by temperature-modulated scanning tunneling spectroscopy (STS). The low-conductance Coulomb blockade was found to shrink with increasing temperature, which at ambient temperature (ca. 290 K) diminished completely. Concomitantly, the potential spacing between adjacent peaks observed in the Coulomb staircase features ex...
متن کاملTime-resolved scanning tunneling microscope light emission spectroscopy of Sb2Te3
We have successfully added ps temporal resolution to scanning tunneling microscope (STM) light emission spectroscopy. STM light emission spectra of Sb2Te3 were measured in the configuration that the tip sample gap of the STM is irradiated by a pair of pump and probe laser pulses with a duration less than 2 ps each, and were analyzed as a function of optical delay time between the pump and probe...
متن کاملScanning near-field optical microscopy with white-light illumination: nanoscale imaging and spectroscopy of resonant systems
We present the realisation of near-field spectroscopic measurements with fibre-tip-based scanning near-field microscopy. It allows simultaneous acquisition of near-field optical images in a broad spectral range (400 nm to 1000 nm), thus recovering local spectroscopic information. The technique is essential for understanding the resonant interaction of light with nanostructured objects as the fa...
متن کاملScanning Tunneling Spectroscopy of C36
The local density of electronic states NsEd has been measured on C36 thin films using scanning tunneling spectroscopy (STS). A 0.8 eV energy gap and sharp features in NsEd with widths as small as 0.2 eV can be ascribed to the discrete molecular energy levels predicted for the C36 molecule, broadened by intermolecular interactions. However, a more complete agreement between the experimental resu...
متن کاملScanning Tunneling Spectroscopy and Vortex Imaging in the Iron
The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters.
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: Applied Physics Letters
سال: 2004
ISSN: 0003-6951,1077-3118
DOI: 10.1063/1.1737063