TY - JOUR

T1 - Inelastic Scattering of Low-Energy Electrons by Creation of Bulk Excitons in Molecular Crystals

AU - Strelniker, Y.

N1 - Sov. Phys. Solid State 28, 1450-1451

PY - 1986

Y1 - 1986

N2 - he author considers an electron beam incident on the surface of a molecular crystal whose energy is of the order of several electron volts. For simplicity, a simple cubic lattice with one molecule per cell is discussed. The OX and OY axes lie on the surface parallel to the basis vectors of the crystal d/sub 1/ and d/sub 2/, and the OZ axis is perpendicular to the surface. The direction of the incident (scattered) electrons is determined by the azimuthal phi /sub 0/ ( phi /sub f/) and polar theta /sub 0/ ( theta /sub f/) angles. The finite penetration depth of electrons is described by a phenomenological damping decrement epsilon . An electron undergoing inelastic scattering which leads to the excitation of an exciton in a k-state is considered

AB - he author considers an electron beam incident on the surface of a molecular crystal whose energy is of the order of several electron volts. For simplicity, a simple cubic lattice with one molecule per cell is discussed. The OX and OY axes lie on the surface parallel to the basis vectors of the crystal d/sub 1/ and d/sub 2/, and the OZ axis is perpendicular to the surface. The direction of the incident (scattered) electrons is determined by the azimuthal phi /sub 0/ ( phi /sub f/) and polar theta /sub 0/ ( theta /sub f/) angles. The finite penetration depth of electrons is described by a phenomenological damping decrement epsilon . An electron undergoing inelastic scattering which leads to the excitation of an exciton in a k-state is considered

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VL - 28

SP - 2582

EP - 2584

JO - Fizika Tverdogo Tela

JF - Fizika Tverdogo Tela

ER -