Midterm Study Flashcards
When switch is on :
There are multiple paths for transports
When switch is off:
- No transports available
- Generate a barries.
A barrier is like a _____for e’ to overcome.
hill
Conservation of current at nodes and potential in loops __________ at nanoscale
holds
When an electron passes through a potential from 0 to 1V. The energy gained by it is ______________.
1.6 X 10E-19 J or 1 eV
What is Rydberg’s const
13.6 eV
Where do we find a Quantum ?
- An atom
- Spaces in a crystal lattice
- Inversion charge layer in MOSFET
- Electron barriers that is induced at all surfaces
- QW lasers
At equilibrium all materials have only one __________
Fermi level
Boron is an __________ and creates a ____________ device
acceptor, p-type
Arsenic is an __________ and creates a ____________ device
donor, n-type
What are the two types of carrier motion
- Thermal motion with no electric field (E)
- Drift Velocity of the carriers due to electric field (E)
When is the only time ohms law holds in this course
When electrons behave as gas and are subject to collisions at an average time
When e’ or h+ are exposed to an electric field (E). They experience a force (qE) and gain velocity, the acceleration is (qE/m) . The velocity is proportional to what _______________ ?
Electric field
Wave function contains ___________ that can be known about particles with the system.
all the information
Schrodinger’s Equation predicts that e’ exists in ___________ and have to satisfy the wave function
states
At nanoscale, one has to account for all the ________ and their _________ and ____________.
states, fillings, unfillings
an eigenstate is where
e’/h+ are allowed to exist
What is postulate 1 ?
The state of the QM system is defined completely by the function based on the location and time
What is postulate 2 ?
Our measurements are related to operator, that is an if an operator exists we can observe it
What is postulate 3 ?
If something can be measured then an operator can be written for it.
What is Pauli’s exclusion principle?
The Pauli Exclusion Principle states that, in an atom or molecule, no two electrons can have the same four electronic quantum numbers. As an orbital can contain a maximum of only two electrons, the two electrons must have opposing spins.
