scholarly journals Environmental effects on vibrational proton dynamics in H5O2+: DFT study on crystalline H5O2+ClO4−

2005 ◽  
Vol 7 (2) ◽  
pp. 258-263 ◽  
Author(s):  
Mikhail V. Vener ◽  
Joachim Sauer
Keyword(s):  
Environmental Effects ◽  
Dft Study ◽  
Proton Dynamics

Proton Dynamics in Strong (Short) Intramolecular H-Bond. DFT Study of the KH Maleate Crystal

2008 ◽  
Vol 112 (51) ◽  
pp. 13628-13632 ◽  
Author(s):  
Mikhail V. Vener ◽  
Alexey V. Manaev ◽  
Vladimir G. Tsirelson
Keyword(s):  
Dft Study ◽  
Proton Dynamics

Imaging molecules adsorbed onto electrodes under potential control by scanning probe microscopy

1991 ◽  
Vol 49 ◽  
pp. 376-377 ◽  
Author(s):  
N.J. Tao ◽  
J.A. DeRose ◽  
P.I. Oden ◽  
S.M. Lindsay
Keyword(s):  
Surface Charge ◽  
Environmental Effects ◽  
Scanning Probe Microscopy ◽  
Statistical Significance ◽  
Electrochemical Methods ◽  
Surface Structures ◽  
Scanning Probe ◽  
Potential Control ◽  
Afm Imaging ◽  
Special Circumstances

Clemmer and Beebe have pointed out that surface structures on graphite substrates can be misinterpreted as biopolymer images in STM experiments. We have been using electrochemical methods to react DNA fragments onto gold electrodes for STM and AFM imaging. The adsorbates produced in this way are only homogeneous in special circumstances. Searching an inhomogeneous substrate for ‘desired’ images limits the value of the data. Here, we report on a reversible method for imaging adsorbates. The molecules can be lifted onto and off the substrate during imaging. This leaves no doubt about the validity or statistical significance of the images. Furthermore, environmental effects (such as changes in electrolyte or surface charge) can be investigated easily.

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