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- ...es secondary electrons to be emitted from the surface of the sample. These electrons are detected and imaged. Electron microscopes can provide magnifications up1 KB (179 words) - 14:12, 1 August 2022
- ...nd analysis. Electrons that are ejected from the sample, called secondary electrons, are collected and translated into a picture of the sample's surface. X-ra1 KB (166 words) - 12:35, 20 June 2023
- ...ct, they are absorbed and secondary electrons (photo-electrons and Compton electrons) are emitted. Those created in a thin upper surface of the examinated objec2 KB (223 words) - 11:49, 29 October 2020
- ...beam of x-ray photons to ionize inner core electrons in the sample. These electrons are ejected and measured to identify the elements in the surface of the sam834 bytes (112 words) - 11:14, 1 August 2022
- ...When a directed beam of electrons impinges on a crystalline material, the electrons are diffracted in a geometric pattern (diffraction pattern) that correspond1 KB (138 words) - 14:10, 1 August 2022
- High-energy electrons (from some keV to some MeV) emitted by certain types of radioactive isotope350 bytes (45 words) - 15:08, 15 August 2013
- ...0-400 kV) is used to irradiate the lead foil causing it to emit low energy electrons (through photoelectric effect and/or Compton effect) which in turn pass thr electron radiography; radiographie par electrons secondaires (Fr.); Sekunderelektronenradiographie (Deut.); radiografia de e2 KB (265 words) - 10:45, 29 October 2020
- ...tion reaction where electrons are transferred, the oxidized material loses electrons. Oxidation is a degradation process that is usually irreversible. One examp2 KB (222 words) - 13:42, 8 September 2022
- ...of [[luminescence]] produced by a material when it is excited by a beam of electrons (e.g. cathode ray tube). Cathodoluminescence is the source of illumination758 bytes (102 words) - 08:46, 24 May 2022
- ...par, zircon). Heating or illuminating the object will release the captured electrons, producing a luminescence. ...mple is heated, at a certain temperature it will glow from the emission of electrons released from the defects, and this glow can be used to estimate the age of3 KB (453 words) - 15:26, 25 August 2022
- ...n the potential of the bias voltage charge. As the holes are replaced with electrons, the resultant charge pattern in the selenium layer is read out by a TFT ar2 KB (293 words) - 15:19, 6 June 2022
- ...ns a radioactive Nickel (63Ni) plate that emits a cloud of beta particles (electrons). Electronegative compounds, such as halogenated materials, are ionized by901 bytes (125 words) - 14:09, 1 August 2022
- ...e that uses a strong magnetic field to examine the spin states of unpaired electrons. Electron spin resonance (ESR) spectroscopy has been used to compare marble840 bytes (112 words) - 11:15, 1 August 2022
- ...]], [[iodine]], [[bromine]], and [[astatine]]. Halogens have seven valence electrons in their outer shell which makes them eager to gain an electron to complete988 bytes (130 words) - 14:14, 30 August 2022
- ...and depends on whether transitions involve nonbonding or bonding (π or π*) electrons. The position of absorption of the radiation depends on the degree of conju1 KB (170 words) - 12:48, 20 June 2023
- ...nvolves using a beam of light, usually ultraviolet light, that excites the electrons in molecules of certain compounds and causes them to emit light; typically,1 KB (164 words) - 12:55, 20 June 2023
- ...presence of water or high humidity. The electrochemical difference causes electrons to flow from one metal to the other. The less noble metal, in this case zin1 KB (150 words) - 12:43, 25 July 2022
- ...ight is emitted at a very narrow range of wavelengths by the transition of electrons between energy levels. These early red light emitting LEDs emitted low leve1 KB (182 words) - 14:03, 7 October 2022
- ...is son Zacharias, and Hans Lippershey. Electron microscopes use a beam of electrons to form images of 1,000 to 1,000,000 times magnifications. Other special m1 KB (187 words) - 15:03, 26 July 2022
- ...common ways of doing this are bombarding the sample either with a beam of electrons (electron ionization) or with small molecules such as methane (chemical ion2 KB (226 words) - 12:32, 20 June 2023