' A key concept behind the monolithic IC is the principle of p–n junction isolation, which allows each transistor to operate independently despite being part of the same piece of silicon. Atalla's surface passivation process isolated individual diodes and transistors,[11] which was extended to independent transistors on a single piece of silicon by Kurt Lehovec at Sprague Electric in 1959,[12] and then independently by Robert Noyce at Fairchild later the same year.[13][14]'
'1946 – Russell Ohl patented the modern junction semiconductor solar cell,[8] while working on the series of advances that would lead to the transistor.
1948 - Introduction to the World of Semiconductors states Kurt Lehovec may have been the first to explain the photo-voltaic effect in the peer reviewed journal Physical Review.[9][10]
1954 – The first practical photovoltaic cell was publicly demonstrated at Bell Laboratories.[11] The inventors were Calvin Souther Fuller, Daryl Chapin and Gerald Pearson.[12]'
'Hungarian Zoltán Bay together with György Szigeti pre-empted LED lighting in Hungary in 1939 by patenting a lighting device based on SiC, with an option on boron carbide, that emitted white, yellowish white, or greenish white depending on impurities present.[18]
Kurt Lehovec, Carl Accardo, and Edward Jamgochian explained these first LEDs in 1951 using an apparatus employing SiC crystals with a current source of a battery or a pulse generator and with a comparison to a variant, pure, crystal in 1953.[19][20]
Rubin Braunstein[21] of the Radio Corporation of America reported on infrared emission from gallium arsenide (GaAs) and other semiconductor alloys in 1955.[22] Braunstein observed infrared emission generated by simple diode structures using gallium antimonide (GaSb), GaAs, indium phosphide (InP), and silicon-germanium (SiGe) alloys at room temperature and at 77 kelvins.'
https://en.m.wikipedia.org/wiki/Light-emitting_diode
'He first predicted the important case of fast ionic conduction in solid states as one in a surface space-charge layer of ionic crystals in the paper, “Space-charge layer and distribution of lattice defects at the surface of ionic crystals” ( J. Chem. Phys. 1953. V.21. P.1123 -1128). As a space-charge layer has nanometer thickness, the effect is directly related to nanoionics (nanoionics-I). The Lehovec’s effect had given a basis for a creation of multitude nanostructured fast ion conductors which is used in modern portable lithium batteries and fuel cells. He is a Professor Emeritus at the University of Southern California in Los Angeles, California.'
https://www.ithistory.org/honor-roll/professor-kurt-lehovec
'Electron Theory' By Vennie Edwards (pages 230-231) states an important prediction of fast ionic conduction in a surface space charge layer of ionic crystals by Kurt Lehovec, called 'Lehovec's Effect' is used as a basis for developing nano-materials for portable lithium batteries and fuel cells.
https://en.m.wikipedia.org/w/index.php?title=History_of_the_battery#Lithium_and_lithium-ion_batteries
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