Software for Invetigation of Current Transport Processes in Semiconductor Structures

Abstract

Àíîòàö³ÿ ÌÀÒÅÌÀÒÈ×ÍÀ ÌÎÄÅËÜ ÏÅÐÅÕ²ÄÍÈÕ ÏÐÎÖÅѲ  ÊвÎÒÐÎÍÀÕ ÍÀ ÎÑÍβ ÑʲIJ Ì. Â. Òèõàíñüêèé, À. ². ÏàðòèêàÂèêîðèñòîâóþ÷è åêâ³âàëåíòíó ñõåìó òà ïðèíöèï ðîáîòè äâîêîíòàêòíîãî íàäïðîâ³äíîãî êâàíòîâîãî ³íòåðôåðîìåòðà (ÑʲÄà) ÿê åëåìåíòà êîìï'þòåðíî¿ ïàì'ÿò³, ñòâîðåíî ìàòåìà-òè÷íó ìîäåëü ïåðåõ³äíèõ ïðîöåñ³â ó òàêèõ åëåìåíòàõ ïàì'ÿò³. Ðîçðàõîâàíî ïåðåõ³äí³ õàðàê-òåðèñòèêè êâàíòîâèõ êð³îòðîí³â ïðè êåðóâàíí³ ¿õ ëîã³÷íèì ñòàíîì ³ìïóëüñàìè ìàãí³òíîãî ïîòîêó äëÿ ëîã³÷íèõ ïåðåõîä³â "0"→"1" òà "1"→"0". Ïîêàçàíî, ùî ñòàá³ëüíî ïðàöþâàòè òàê³ êð³îòðîíè ìîaeóòü ò³ëüêè ïðè ëîã³÷íèõ ïåðåõîäàõ "0"→"1". Äîñë³äaeåíî âïëèâ íà ïåðå-õ³äí³ õàðàêòåðèñòèêè êð³îòðîí³â àìïë³òóäè êåðóþ÷èõ ³ìïóëüñ³â ³ ñåðåäíüî¿ òðèâàëîñò³ ³ìïó-ëüñ³â.Êëþ÷îâ³ ñëîâà: ÑʲÄ, êâàíòîâà êîì³ðêà ïàì'ÿò³, äaeîçåôñîí³âñüêèé êð³îòðîí, ïåðåõ³äíà õàðàêòåðèñòèêà, ëîã³÷íèé ïåðåõ³ä, íàäïðîâ³äíèé ³íòåðôåðîìåòð. Abstract A MATHEMATICAL MODEL OF TRANSITIONAL PROCESSES IN CRYOTRONS BASED SQUIDS Ì. V. Tyhanskyi, À. ². PartykaUsing an equivalent circuit and the operational principle of a two-terminal Superconducting Quantum Interference Device (SQUID) as a computer memory cell, a mathematical model of transitional processes in such quantum cryotrons has been created. The magnetic flux regulated logicstate transitional characteristics of quantum cryotrons are calculated for logic transitions "0"→"1" and "1"→"0". We show that stable functioning of these cryotrons is possible only for logic transitions "0"→"1". The influence of the amplitude of the regulating magnetic flux impulses and the average duration of an impulse on the transitional characteristics of cryotrons is investigated.

Current transport mechanisms in n‐InSe/p‐CdTe heterojunctions

“…Moreover, the presence of the rectifying barrier was also confirmed by photovoltaic effect (yielding a voltage of 0.4 V) for heterojunction, illuminated by the light flux (80 mW/cm 2 ) from CdTe side. Analysis of the obtained experimental data concerning the temperature dependence of CVC for n-InSe/p-CdTe heterojunction was performed using the software "Solar Cell Simulator", developed by the authors [9].…”