ECE 3080 Homework 1 1) Given the IV-IV compound semiconductor SixGe1-x (assume that covalent bonds exist although strictly speaking this is not entirely true) and that energy bandgaps and lattice constants scale linearly, a) What is the lattice constant a
Static Random Access Memory
What is SRAM?
What is SRAM used for?
Where is SRAM going in the future?
What is SRAM?
SRAM occupies a middle ground between
DRAM and the various types of ROM
Does not need to be refres
Eung Jung, Kim
SiGe HBT (Heterojunction Bipolar Transistor)
History, Advantage, Application
Strain, Dislocations and Critical thickness
Three main designs of Ge base profile
RESONANT TUNNELING DIODES
ECE 3080 Semiconductor Devices
Very fast switching for low power, high frequency applications
Light Emitting Diodes
What is a diode?
Indicator lights: These can be two-state (i.e., on/off),
bar-graph, or alphabetic-numeric readouts.
LCD panel backlighting: Specialized white LEDs are
used in flat-panel computer di
Nathan C. Jones
April 7, 2008
Qubit: The Quantum Unit of
Conventional computers use bit (= 0 or 1)
Quantum computers use a quantum bit, or qubit.
Quantum mechanics allows the qubit to be 0, 1, or somewhere
November 23, 2004
Basics of Lasers
Application of Pulsed
Function of Saturable
Types of Satu
Organic Field Effect Transistors:
The Future of Electronics
Antonio G. Acosta
November 30, 2004
School of ECE
Georgia Institute of Technology
ECE 3080 - Antonio Acosta
Organic Field Effect Transistors
Significance of Organic Devices
Memory: A Brief Overview
Random Access Memory (RAM) : faster, data lost
when power switched off
Read-Only Memory (ROM) : solid-state, retain
information even when power
What are Organic Semiconductors?
How are they made?
What are they good for?
An organic semiconductor is any organic
material that has semiconductor
April 12, 2011
We Will Be Looking at
Basic concept of neuromorphic computing
Incentive behind neuromorphic computing
Facilitation of technology
Architecture of Neurogrid
Neuromorphic vision chips
Floating Gate Transistor
ECE 3080 Presentation
Floating Gate Transistors
Readable and Writable
Use in nonvolatile memory
Works the same way that MOSFET
Has extra floating ga
Light Modulation by
Fiber Optic Electroabsorption
Active Matrix Organic Light Emitting Diode
The emissive electroluminescent layer is a film of organic compounds
This layer of organic semiconductor material is situated between two
Take home problem (15 Points):
Carefully remove from exam and work ALONE at home. This is an open book open
notes question but you must reference any materials you use. Due Monday February 25th at the
start of class. Note: In order to encourage ethical be
1) A semiconductor at room temperature (27 degrees C) has the following parameters: Hole Diffusion coefficient, Dp=11.86 cm2/Sec Electron Diffusion coefficient, Dn=33.625 cm2/Sec Substrate intrinsic concentration, ni=1e10 cm-3 Also, these conve
ECE 3080 Homework 3
Anderson problem 3.1
Anderson problem 3.6
Anderson problem 3.11
Anderson problem 3.12 (see equation 3.27 for help).
Anderson problem 3.13 (see discussion on pages 126 and 127. This is more detail
regarding the saturation
The plot of the left side verses right side is shown below. Note that there is only one
intersection of the blue/red curve so we have only one solution for E~(4.3-4.5)x10-19 J.
Left Side/Right Side
ECE 3080 Homework 2 1.) An electron is contained in a FINITE potential well as shown below. As discussed in class, the finite potential barriers result in the electron wave function penetrating in to the barriers a small distance. Use the Schrdinger equat
ECE 3080 Homework 1
1) Given the IV-IV compound semiconductor SixGe1-x (assume that covalent bonds exist
although strictly speaking this is not entirely true) and that energy bandgaps and lattice
constants scale linearly, a) What is the lattice constant a
Photodiodes are photodetectors capable of
converting light to current or voltage
They are most commonly used to measure light
Often use P-I-N junctions instead of P-N junctions
because they are faster and more se