Nanometre-scale recording and erasing with the scanning tunnelling microscope
Article Abstract:
Studies of scanning tunelling microscopes (STM) reveals their use for data storage and nanofabrication. Data storage at high areal densities on magnetic and optical disks and in semiconducting devices. The STM is used with atomic prevision to give nanometre-scale marks or structures on a surface, and in reproducible and reversible erasing or recording of marks about 10 nanometer (nm) in size. A composite medium of a thin layer of vanadate glass deposited on vanadium bronze is used as a medium to write at an ambient temperature and pressure.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1993
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Determination of the absolute chirality of individual adsorbed molecules using the scanning tunnelling microscope
Article Abstract:
The Scanning tunnelling microscope (STM) can monitor surface structures at individual molecule level, and can also distinguish between different molecular conformations. The geometric configuration of simple alkenes chemisorbed on the silicon (100) surface have been determined using the STM. The absolute configuration (R or S) can be determined for each chiral centre, showing the STM's ability to probe enantioselective processes at single molecule level.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1998
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Radio-frequency scanning tunnelling microscopy
Article Abstract:
The various applications of radio-frequency scanning tunnelling microscopy (STM) in studying different physical systems are explained. The technique is found to be extremely advantageous, as it is also capable of performing quantum-limited position measurements.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
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