ion implantationcrystal latticeselectron spectroscopyiron 57iron ionsmicrostructuremoessbauer effectSingle crystals of α-Al2O3were implanted with57Fe+at room temperature to fluences ranging from 1016to 1017ions/cm2. The damage in the implanted zone and the valence states and local environment of ...
Stripping of Fe ions by thermal electrons and protons during ion acceleration in the solar corona results in the dependence of mean charge barq Fe on energy. We consider the influence of varying plasma parameters (temperature T , number density N , and spectral index of turbulence S ) on the...
Charge transfer of O^{3+} ions in collisions with atomic hydrogen Cross sections are calculated for the charge transfer of ${mathrm{O}}^{3+}$ ions in collisions with hydrogen atoms. The cross sections are in satisfactory agreement with ion-trap measurements at energies near 2.5 eV and with...
Predict the charge of the ion formed by each element. a) O b) K c) Al d) Rb Ionization: Ionization is the process of converting a neutral compound or element to a charged one. There can be different ways to perform ionization. One is by dissolving an ionizable compound...
Usually, the IS value is expressed in velocity units, mm/s, and is given with respect to the center position of a reference such as α-iron at room temperature. In high-temperature studies, one should note that the second-order Doppler shift (SOD) adds to the IS value of the material...
We measured the mean ionic charge state of Fe in several 3He-rich and heavy-ion rich energetic particle events during the time period 1998–2000. We combin... B Klecker,E. M?bius,MA Popecki,... - 《Advances in Space Research》 被引量: 46发表: 2006年 Method for the ab initio calcu...
A space domain near the body surface becomes neutral because of interaction with the image charges, and as a result we get a depleted region: The electric field rejects mobile carriers toward the sample interior and the anomalous conductivity disappears, while the HT ion branch of conductivity ...
The oxidation state of a transition metal in a crystal lattice is conventionally viewed as reflecting physical ionization: electrons have been transferred to or from the atom, leaving a point-like charged entity (ion). Such a picture is still sometimes i
What is the charge on the iron ion in Fe2S3? How many electrons would it take to equal the mass of a proton? What are atoms that have become negatively charged by gaining extra electrons called? If an atom loses electrons to become an ion, then it has what charge?
The magnitude of the electrical signals detected after photodissociation by electrodes on either side of MbCO crystals of type A is consistent with the x-ray data showing that the doubly charged iron ion lies in the mean heme plane when a ligand is bound and moves out of the plane when ...