Frenkel-Pool Tunnelling - definição. O que é Frenkel-Pool Tunnelling. Significado, conceito
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O que (quem) é Frenkel-Pool Tunnelling - definição

Frenkel pair; Frenkel disorder

Naftaly Frenkel         
  • Matvei Davidovich Berman]] (front, second from right), head of the Gulag system
RUSSIAN BUSINESSMAN
Naftaly Aronovich Frenkel; Naftali Frenkel; Draft:Frenkelization
Naftaly Aronovich Frenkel (; 1883 in Haifa – 1960 in Moscow) was a Soviet security officer and member of the Soviet secret police. Frenkel is best known for his role in the organisation of work in the Gulag, starting from the forced labor camp of the Solovetsky Islands, which is recognised as one of the earliest sites of the Gulag.
Kremlin pool         
The Kremlin pool (), also President's pool is a group of Russian journalists accredited to regularly cover the activities of the President of Russia and the top Russian government.
Frenkel defect         
In crystallography, a Frenkel defect is a type of point defect in crystalline solids, named after its discoverer Yakov Frenkel. The defect forms when an atom or smaller ion (usually cation) leaves its place in the lattice, creating a vacancy and becomes an interstitial by lodging in a nearby location.

Wikipédia

Frenkel defect

In crystallography, a Frenkel defect is a type of point defect in crystalline solids, named after its discoverer Yakov Frenkel. The defect forms when an atom or smaller ion (usually cation) leaves its place in the lattice, creating a vacancy and becomes an interstitial by lodging in a nearby location. In elemental systems, they are primarily generated during particle irradiation, as their formation enthalpy is typically much higher than for other point defects, such as vacancies, and thus their equilibrium concentration according to the Boltzmann distribution is below the detection limit. In ionic crystals, which usually possess low coordination number or a considerable disparity in the sizes of the ions, this defect can be generated also spontaneously, where the smaller ion (usually the cation) is dislocated. Similar to a Schottky defect the Frenkel defect is a stoichiometric defect (does not change the over all stoichiometry of the compound). In ionic compounds, the vacancy and interstitial defect involved are oppositely charged and one might expect them to be located close to each other due to electrostatic attraction. However, this is not likely the case in real material due to smaller entropy of such a coupled defect, or because the two defects might collapse into each other. Also, because such coupled complex defects are stoichiometric, their concentration will be independent of chemical conditions.