The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
A type of carbon whiskers was synthesized at 2100 o C. The field emission scanning electron microscopy (FESEM) shows that there are spirals in the whiskers. Transmission electron microscopy (TEM) shows that the carbon layers of the whiskers are almost perpendicular to the whisker axis. The apex angle of the whisker with the conical shape is about 135 o , which is in agreement with...