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Herein, studies of the cyclotron resonance (CR) in thick films with different cadmium contents corresponding to materials with and without band inversion, as well as critical content corresponding to an almost linear energy dispersion are presented. The results demonstrate that the formation of 2D topological surface states requires sharp interfaces between layers with and without band...
Impulse interferences appear in DC power supply system when switching, short circuits or lightning strokes to substations occur. Interferences under consideration result in malfunctions of relay protection and emergency situations. To mitigate these interferences, at present, avalanche diodes or surge protective devices (SPDs) mainly based on metal-oxide varistors with gaps are used. Protective devices...
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