Sökning: "Ion Bipolar Junction Transistor"

Hittade 5 avhandlingar innehållade orden Ion Bipolar Junction Transistor.

  1. 1. Processing and characterization of GaN/SiC heterojunctions and SiC bipolar transistors

    Författare :Erik Danielsson; KTH; []
    Nyckelord :silicon carbide; gallium nitride; device simulation; bipolar junction transistor; heterojunction; heterojunction bipolar transistor; current-voltage measurement; capacitance-voltage measurement; self-heating;

    Sammanfattning : Silicon Carbide (SiC) and Gallium Nitride (GaN) are bothwide bandgap semiconductors that have been suggested for highpower, high voltage, and high temperature applications. Themost investigated SiC devices so far are the Schottky diode,PiN diode and the field effect transistor. LÄS MER

  3. 2. Silicon Nanowire Field-Effect Devices as Low-Noise Sensors

    Författare :Xi Chen; Zhen Zhang; Shi-Li Zhang; Si Chen; Fengnian Xia; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Silicon nanowire; field-effect transistor; Schottky junction gate; low frequency noise; ion sensor; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Sammanfattning : In the past decades, silicon nanowire field-effect transistors (SiNWFETs) have been explored for label-free, highly sensitive, and real-time detections of chemical and biological species. The SiNWFETs are anticipated for sensing analyte at ultralow concentrations, even at single-molecule level, owing to their significantly improved charge sensitivity over large-area FETs. LÄS MER

  4. 3. On the Low Frequency Noise in Ion Sensing

    Författare :Da Zhang; Zhen Zhang; Shili Zhang; Hans Norström; Jörgen Olsson; Michel Calame; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; low frequency noise; ion sensor; ISFET; electrochemical impedance spectroscopy; constant phase element; surface chemistry; CMOS technology; Engineering Science; Teknisk fysik;

    Sammanfattning : Ion sensing represents a grand research challenge. It finds a vast variety of applications in, e.g., gas sensing for domestic gases and ion detection in electrolytes for chemical-biological-medical monitoring. LÄS MER

  5. 4. Ionic and electronic transport in electrochemical and polymer based systems

    Författare :Anton Volkov; Igor Zozoulenko; Magnus Berggren; Xavier Crispin; Yury Gogotsi; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Modeling; Charge transport; Charge carriers Electrochemical systems; Polymer; PEDOT:PSS; Supercapacitance; Cyclic voltammetry; double layers; Nernst-Planck-Poisson; DFT; TDDFT; Ion Bipolar Junction Transistor; ETE-S;

    Sammanfattning : Electrochemical systems, which rely on coupled phenomena of the chemical change and electricity, have been utilized for development an interface between biological systems and conventional electronics.  The development and detailed understanding of the operation mechanism of such interfaces have a great importance to many fields within life science and conventional electronics. LÄS MER

  7. 5. Silicon Nanowire Based Electronic Devices for Sensing Applications

    Författare :Qitao Hu; Zhen Zhang; Shi-Li Zhang; Si Chen; Jeehwan Kim; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; silicon nanowire; field-effect transistor; nanoelectromechanical resonator; CMOS-compatible; multiplexed detection; single charge detection; quantum sensing; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Sammanfattning : Silicon nanowire (SiNW) based electronic devices fabricated with a complementary metal-oxide-semiconductor (CMOS) compatible process have wide-range and promising applications in sensing area. These SiNW sensors own high sensitivity, low-cost mass production possibility, and high integration density. LÄS MER