A Review of Atomic Scale Characterization Techniques of Molybdenum Disulfide (MoS2)
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Molybdenum disulfide
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Abstract For biologic studies, atomic force microscopy (AFM) has been prevailing over scanning tunneling microscopy (STM) because it has the capability of imaging non-conducting biologic specimens. However, STM generally gives better resolution than AFM, and we're talking about resolution on the atomic scale. In a recent article, Franz Giessibl (Atomic resolution of the silicon (111)- (7X7) surface by atomic force microscopy, Science 267:68-71, 1995) has demonstrated that atoms can be imaged by AFM.
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Force Spectroscopy
Scanning Probe Microscopy
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Molybdenum disulfide
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In 1995, a true atomic resolution was achieved for the first time, using an ultrahigh-vacuum noncontact-atomic force microscope (AFM) with frequency modulation (FM) detection method that enables to measure change in mechanical resonant frequency (frequency shift) of an atomic force probe (AFM cantilever). At present, noncontact AFM method is established as a novel microscopy with true atomic resolution, which can observe even insulator. Here, to make clear the next development on AFM, we introduced a force mapping of atomic force on an atomic scale, i.e., atomic force mi-crospectroscopy and control of atomic force by change of atom on tip apex of an atomic force probe. AFM, which utilizes atomic force itself based on the atomic interaction, can provide observation, spectroscopy, discrimination, identification, control and manipulation of individual atomic force and atom, so that AFM has large possibility as the coming generation of atomic and molecular technique and is expected to develop in very wide fields of science and engineering.
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Abstract We have observed MoO3(010) surface on an atomic level by NC-AFM(Noncontact atomic force microscopy) for the first time. White arrays with 0.40 and 0.37 nm dimensions along [100] and [001], respectively, were observed, which corresponded to the topmost oxygen atoms of MoO3(010).
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Abstract Durch Zugabe von tBuNC zu einer Lösung von (I) erhält man den Komplex (II), der durch Daten des Elektronenund 1 H‐ und ÜC‐NMR‐Spektrums sowie eine Kristallstrukturbestimmung (Raumgruppe I5") P2 1 /c, Z=4) charakterisiert wurde.
Molybdenum oxide
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