Literature Review 2
METHODS USED IN NANO-SCALED SYSTEM TO ACT VERY SENSITIVE AND
ACCURATE
Since the ancient times, the teleoperation has been used to extend man's reach into the distance
or hostile environments. Usually, more sophisticated tools are required when, deep sea, nuclear
and large distance separation between the controlling function and the execution function are
carried out[CITATION Jun15 \l 1033 ].Telerobotics systems that are applied in operating robots in
hostile environments, deep sea, and outer space have been of great focus as the field of
teleoperations is concerned. Apart from the mentioned applications, there are new applications
that are emerging such as tele-Nanorobotics. This type of applications has been made a reality by
the discovery of the Scanning Tunnel microscope and the Atomic force microscope which have
the potential of providing atomic size 3- D topology images. Even though the Nanoscale imaging
technologies are being developed, the nanoscale manipulation and the fabrication technologies
are not developed[CITATION Mic12 \l 1033 ].
Scanning tunneling microscope
Rohrer discovered the scanning tunneling microscope and it has created many opportunities for
the surface science which was carried at astounding resolutions, typically a few nm in the
vertical direction and approximately 0.2 nm in the lateral direction. The images were formed by
the raster scanning which is a very sharp metal tip over the sample[CITATION And14 \l 1033 ].
Many promising variants of the scanning tunneling microscope have been created, which include
the development of the Atomic force microscope. The scanning tunneling microscope can be
used only for the purpose of conducting samples of a small beam holding the scanning tip serves
to create a force image of the surface.

ACWR 106 : Academic Writing

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