出典:Wikipedia
出典:『Wikipedia』 (2011/05/01 02:46 UTC 版)
Secondary ion mass spectrometry (SIMS) is a technique used in materials science and surface science to analyze the composition of solid surfaces and thin films by sputtering the surface of the specimen with a focused primary ion beam and collecting and analyzing ejected secondary ions. These secondary ions are measured with a mass spectrometer to determine the elemental, isotopic, or molecular composition of the surface. SIMS is the most sensitive surface analysis technique, being able to detect elements present in the parts per billion range.
the antiparticle of a neutron
a neutral meson with a large mass
the antiparticle of a meson
an elementary particle with a negative charge and a half-life of 2 microsecond
the "antiparticle" of the proton
spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer
an uncharged particle having a magnetic moment in the opposite direction of the neutron, called antineutron
the antiparticle of a lepton
the antiparticle of a muon