The results of the use of terahertz (THz) irradiation generated by a silicon nanosandwich under conditions of a stabilized source-drain current in the treatment of covid complications are presented. THz irradiation was used in addition to drug therapy for the treatment of patients with COVID-19, which made it possible to reduce the patient's stay in the intensive care unit, reduce the time of patient intubation and stay on mechanical ventilation, and reduce the radiological and pharmacological burden on the patient. An idea was obtained about the resonant response of a living biological tissue to THz irradiation, which made it possible to formulate requirements for irradiation parameters depending on the characteristics of the biological tissue under study. The characteristics of resonant frequencies for the pulmonary alveoli were determined, which made it possible to develop and use the proposed treatment method for the treatment of pneumonia caused by COVID-19.
The response to external terahertz (THz) radiation from the silicon carbide nanostructures prepared by the method of substitution of atoms on silicon is investigated. The kinetic dependence of the longitudinal voltage is recorded at room temperature by varying the drain-source current in the device structure performed in a Hall geometry. In the frameworks of proposed model based on the quantum Faraday effect the incident radiation results in the appearance of a generated current in the edge channels with a change in the number of magnetic flux quanta and in the appearance of features in the kinetic dependence of the longitudinal voltage. The generation of intrinsic terahertz radiation inside the silicon carbide nanostructures is also revealed by the electrically-detected electron paramagnetic resonance (EDEPR) measured the longitudinal voltage as a function of the magnetic field value.
В последние 30 лет проявляется большой интерес к использованию терагерцевого (ТHz) излучения в различных сферах, таких как системы безопасности, связь, спектроскопия. Кроме того, ТHz-излучение получает все большее применение в практической медицине, в частности, продемонстрированы возможности влияния ТHz-излучения на реакции метаболизма в сочетании с управлением важнейшими биохимическими процессами в организме человека. Это, в свою очередь, стимулировало разработку компактных источников и приемников ТHz- и гигагерцевого (GHz) излучения электромагнитного спектра на основе развития кремниевой опто- и наноэлектроники. Были созданы кремниевые излучатели с возможностью управления ТHz- и GHz-частотной модуляцией, что позволило применить их для эффективной терапии демиелинизирующих заболеваний центральной нервной системы. Ключевые слова: кремниевый наносандвич, терагерцевое излучение, микрорезонаторы, терапия заболеваний центральной нервной системы.
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