Experimental Study of Negative Photoconductivity in n-PbTe(Ga) Epitaxial Films
The Experimental data on persistent negative photoconductivity phenomena in semiconductors. The resistivity reduction is associated with a slight excess of Ga concentration, disturbing the Fermi level pinning within the energy gap of n-PbTe(Ga).
Подобные документы
The temperature and frequency dependences of the impedance components of PbTe(In) nanocrystalline lms within the frequency range of 20 Hz–1 MHz in the temperature interval of 4.2–300 K in darkness and under illumination. The lms on a glass substrate.
статья, добавлен 28.06.2013Analysis experimental data for the excited states in the deformed nucleus 230Th studied in the reaction. Selected of sequences of the states which can be treated as rotational bands. Experimental data are compared with the interacting boson model.
статья, добавлен 28.09.2013Вплив дефектів нестехіометрії та інших факторів на характеристики сегнетоелектричного фазового переходу. Виявлення фазових переходів, зумовлених взаємодією дефектів собою, встановлення специфіки прояву переходів в тонких шарах SnTe і НГ SnTe/PbTe.
автореферат, добавлен 23.11.2013Дослідження структури та електричних властивостей тонких плівок на основі твердих розчинів PbTe-Bi2Te3, осаджених у вакуумі на слюдяні та ситалові підкладки. Мозаїчна структура парофазного конденсата, сформована за механізмом зародження Фольмера-Вебера.
статья, добавлен 13.10.2016- 5. Концентраційні аномалії властивостей в напівпровідникових твердих розчинах на основі телуриду свинцю
Проведено дослідження кристалічної структури, механічних, теплових, гальваномагнітних та термоелектричних властивостей напівпровідникових твердих розчинів на основі телуриду свинцю в системах PbTe-MnTe та PbTe-GeTe в залежності від складу і температури.
автореферат, добавлен 12.07.2014 Analysis of carbon, which is the structure of the reactor and the factor of neutron scattering at energies up to 2 MeV. Its status in the energy range 1-60 KEV. Essay experimental data used to measure the neutron cross sections using the detector.
статья, добавлен 11.11.2013Familiarity with the main features of the experimental study of hydrodynamic luminescence in a cavitating liquid medium, problem analysis. General characteristics of important stages of development of the basic hydraulic scheme of the test bench.
статья, добавлен 20.09.2021The discovery of giant magnetic seasons granular thin films of alloys - the reason for the study the temperature coefficient of resistance, resistivity. Characteristics of schematic illustration of a single layer and tube current layered structure.
статья, добавлен 30.07.2016Analysis of samples based on carbon. Structural and electrical properties of grapheme-based samples for application of these samples in solar panels. Application in the modeling of hybrid energy systems and modeling of current-current characteristics.
статья, добавлен 15.09.2024Description of the experimental data of the 4Не(y, pn)d reaction at the photon beam energy Еy:30-100 MeV, obtained by the streamer chamber method on a coherent beam of y-quanta. Measurement of the energy and angular correlation of reaction products.
статья, добавлен 22.12.2016Development of a modified computerized system for experimental study of adsorption-desorption processes and defects in ceramics. Using the mathematical data processing positron annihilation spectroscopy. Learning speed capture of positrons by defects.
статья, добавлен 28.02.2016For low-lying collective excitations was calculated inertia in the semiclassical Gutzwiller approach to one-body Green's function. Excitation energy, reducing the probability-weighted sum rules are consistent with the features of the experimental data.
статья, добавлен 07.10.2013Аналіз ролі технологічних факторів у формуванні підсистеми власних точкових дефектів і електрофізичних властивостей плівок PbTe, PbS і PbSe. Процеси дефектоутворення і зміни дефектної підсистеми і електрофізичних властивостей плівок халькогенідів свинцю.
автореферат, добавлен 22.07.2014The objective of greenhouse heating is to maintain the canopy at a specified temperature range. Infrared (IR) heating as alternative to forced air heating. Use of a simple numerical model to estimate the potential energy savings in a greenhouse.
статья, добавлен 17.04.2013The features of direct and dissipative processes in heavy ion collisions in the Fermi energy regime. Isotope and velocity distributions of projectile-like fragments in the reactions 18O(35MeV/A)+9Be(181Ta) at forward angles. The distribution components.
статья, добавлен 19.09.2013Analysis of the impact of the negative bias potential on the structure, substructure and mechanical properties of ZrN coatings. Analysis of effect of negative potential on the surface morphology during the deposition effect in reducing the droplet phase.
статья, добавлен 23.12.2016- 17. Influence of low-frequency electromagnetic radiation on the complement system (experimental study)
Determination of the state of the complement system under conditions of exposure to low-frequency electromagnetic radiation on the body of rats under experimental conditions. Replace in membrane potential and disruption of nerve cell conduction.
статья, добавлен 12.05.2024 Concept of energy security. Direction of Poland's energy transformation, diagnosis of threats and challenges. Production and forecast of electricity production in country up to 2040. Reduction of emissions, nuclear power plant, renewable energy sources.
статья, добавлен 26.09.2022Calculation of the concentration of defects on the doping level for the average cluster in n-Si. It is shown that the concentration of defects for the average cluster is in inverse proportion to the square of the radius of the cluster model Gossick's.
статья, добавлен 11.11.2013The moment of inertia for the collective rotation. Three-dimensional periodic orbits for the axially symmetric harmonic-oscillator potential. Model of independent particles near the Fermi surface. The total free energy, the moment of inertia of the JMC.
статья, добавлен 24.09.2013The aim of the given paper is to summarize the structure of knowledge in electrical engineering needed for students majored in electromechanics, to define its place and role while conducting experimental research while studying technical subjects.
статья, добавлен 22.12.2020The proposing of the experimental confirmation of results, which have been previously obtained in theory and by means of simulation, revealing existence of the hardest mode of broadband random vibration (BRV) during its effect on mechanical systems.
статья, добавлен 06.05.2018The velocity fields been studied within a semiclassical approach based on the solution of the Vlasov kinetic equation for finite component Fermi systems with a moving surface. The neutron-proton asymmetry and dynamical surface effects the energy region.
статья, добавлен 19.09.2013- 24. Peaceful atom
Consideration of the features of the energy of thermonuclear fusion. Study of the problems of nuclear power plants. The radiation hazard assessment. Devices designed to determine the level of radiation. The principle of operation of the Geiger counter.
статья, добавлен 20.02.2019 Description of the experimental stand of a multi-motor hydraulic drive providing synchronous movement of motors. An automated control system for the movement of elements of a multi-motor hydraulic drive. Creation of a model for calculating motion errors.
статья, добавлен 22.02.2021