Scanning tunneling microscopy-callibration and substrates Graphite Monochromators X-Ray diffraction Neutron scattering and diffraction
HOPG(Highly Oriented Pyrolytic Graphite) is a new type of high purity carbon material, which is a new type of graphite material produced by pyrolysis graphite after high temperature and high pressure treatment, and its performance is close to single crystal graphite. Main applications include X-ray monochromator, neutron filter and monochromator, basic research performance, large size of graphite graphite interlayer compounds such as basic research, for microscopic analysis personnel provides a reusable smooth surface. Unlike mica, high directional pyrolytic graphite (HOPG) is completely nonpolar and is suitable for elemental analysis, and only carbon atom background signals are analyzed in the signal. High directional pyrolytic graphite (HOPG) has excellent surface smoothness which can be used as a blank background.
Grade A cracking surface can't see any delamination, Mosaic Angle is 0.5 ° + / - 0.1 °. The horizontal grain size is usually several microns to A dozen microns, where A can reach about 10 microns, and the longitudinal grain size is about tens of nanometers. This level is the most highly ordered product, usually in the instrument calibration or special scientific research experiment, and of course can also be used as a scientific research to obtain the monocrystalline graphene sample. Grade B Each of the highly oriented pyrolytic graphite (HOPG) block can get 15 to 20 lobes, Mosaic Angle is 0.8 ° + / - 0.2 °. The horizontal grain size is usually several microns to a dozen microns, and the longitudinal grain size is about 10 nanometers, which can be applied to most scientific research fields and easy to repair and update. Compared with grade A, some users prefer this high-directional pyrolytic graphite (HOPG), because its lobes are slightly wavy and the sample is more easily fixed (with better adhesion). Grade C Mosaic Angle > 1.5. Applicable to most fields of scientific research. The transverse grain size is usually several microns to a dozen microns, and the longitudinal grain size is several nanometers. But because of the low price, it is suitable for students to experiment.
Instructions for use
Sealed, avoid light, and keep at room temperature.Expiry date: One year before unsealing.
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Jiangsu XFNANO Materials Tech Co.,Ltd (XFNANO) was founded in 2009 and is registered in the ‘National University Science Park of Nanjing University ’,China, mainly focusing on the R&D of graphene,carbon nanotubes,molecular sieves,catalysts,super capacitors and direction of biofuel cells.The company has close relationship with the national university laboratory in America,Singapore and China.The products have been exported to America,UK,Singapore,Sweden and more .