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Nanocrystals and Quantum Dots

 

Nanocrystals, quantum dots, artificial atoms, or quantum bits are are so small that their energies or optical properties are determined by particle size and shape due to quantum confinement effects and not the bulk material properties of the material. Nanocrystals and quantum dots can be manufactured using semiconducting or conducting materials. Colloidal dispersions or quantum dots have useful photo-emission properties. Applications for nanocrystals and quantum dots include optical displays (LEDs, flat panel displays), memory (Flash memory), cryptography systems, photovoltaics (solar cells), storage media, flexible electronics, neural networks, telecommunications components, and quantum computing.

Products & Services
Schottky Diodes
Schottky diodes in their simplest form consist of a metal layer that contacts a semiconductor element. The metal / semiconductor junctions exhibit rectifying behavior (i.e., the current passes through the structure more readily with one polarity than the other).
Rectifiers
Rectifier diodes are designed for use in rectification circuits. Rectifiers are used to convert AC to DC.
Diodes
Diodes are electronic components that conduct electric current in only one direction, functioning as a one-way valve. Diodes are manufactured using semiconductor materials such as silicon, germanium or selenium and are used as voltage regulators, signal rectifiers, oscillators and signal modulators / demodulators.
High Voltage Diodes
High voltage diodes are designed for use in high-voltage applications.
Product Announcements
American Microsemiconductor, Inc. - Diodes, Rectifiers, General Purpose Diodes Arrays
Diodes, Rectifiers, Diode Arrays, General Purpose Diodes, High-speed Diodes, Varistors and more from American Microsemiconductor, Inc. With over 17,000,000 electronic components sitting on our... (read more)
Comchip Technology Corporation - Introducing: Super Efficient SMD Schottky Diodes
Today's silicon-metal Schottky diodes face limitations and are a constant source of headaches for design engineers. With relatively low reverse voltage ratings and high reverse leakage currents these... (read more)
Comchip Technology Corporation - Super Efficient SMD Schottky Barrier
Today's silicon-metal Schottky diodes face limitations and are a constant source of headaches for design engineers. With relatively low reverse voltage ratings and high reverse leakage currents these... (read more)
Comchip Technology Corporation - Forward Current up 50% in Schottky Diodes
Comchip Technology has developed surface mounted Schottky barrier rectifiers with a maximum forward rectified current of 3.0A, utilizing the SOD-123T / Mini SMA package... (read more)
American Microsemiconductor, Inc. - Variable Capacitance Diode, Varactor, Varicap
Servicing the Semiconductor industry since 1970 - American Microsemiconductor. Contact us for your specific requirement... A varicap diode, varactor diode,or tuning diode is a type of diode whose PN... (read more)
ROHM Semiconductor, USA LLC - ROHM Silicon Carbide Schottky Diodes
ROHM's SCS1xxAGC series of high-performance silicon carbide Schottky diodes are a new class of silicon carbide diodes offering industry-leading low forward voltage fast recovery time leading to... (read more)
Comchip’s CDBMT Schottky barrier rectifier series utilizes the low profile flat chip SOD-123H (MINI SMA) package. (read more)
 
Topics of Interest

Schottky diodes, in their simplest form, consist of a metal layer that contacts a semiconducting element. This metal / semiconductor junction exhibits rectifying behavior (i.e., the current passes...

Besides the PN diodes that we studied in the last experiment there are many more types of diodes.  Each one is used in applications that can take advantage of its behavior and...

A semiconductor diode is a non-linear device whose most outstanding feature is the fact that current is allowed to flow – basically – in one direction only.  The diode is built by...

In electronics, a diode is a component that restricts the direction of movement of charge carriers. Essentially, it allows an electric current to flow in one direction, but blocks it in the opposite...

Diodes Semiconductor diodes can use two basic forms of construction, point-contact or junction. Point-contact diodes are still available and used for small-signal purposes where a low value of...