Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Physics Expert

Q1. describe how the density of electronic state depends on the energy in 3D, 2D, 1D and 0D semiconductors. Draw the necessary schemes.

Q2. A bulk magnetic material has a coercivity of 0.01 Tesla, a saturation induction of 0,016 Tesla and a remanence of 0.01 Tesla.

a) Sketch quantitatively the hysteresis loop M vs H, using explicitly the appropriate SI units.
b) Discuss briefly what the physical mechanisms/parameters that can influence those 3 values
c) describe which application area(s) this material would not be a good choice.

Q3. describe the giant magneto resistance phenomenon, and its application in spin-valves.

Q4. prepare the dispersion law for electrons in graphene. Which consequence has this law for the properties of the electrons?

Q5. Which types of heterostructures can be realized in quantum wires? Illustrate them graphically.

Physics, Academics

  • Category:- Physics
  • Reference No.:- M911509

Have any Question? 


Related Questions in Physics

The table gives the position of a particle moving along the

The table gives the position of a particle moving along the x-axis as a function of time in seconds, where x is in meters. What is the average velocity of the particle from t = 0 to t = 4?

A juniper-wood plank measuringnbsp032nbspft by 1 ft

A juniper-wood plank measuring 0.32 ft by 1 ft by 12 ft is totally submerged in water. (a) What is its weight? (b) What is the buoyant force acting on it? (c) What is the size and the direction of the net force on it?

Calculate the necessary torque of a primary machine and the

Calculate the necessary torque of a primary machine and the maximum rated power of an IG fed at 6.0 kV, 60  Hz, 4 poles, R 1  = 0.054 Ω, R 2  = 0.004 Ω, X 1  = 0.852 Ω, and X 2  = 0.430 Ω. What is the rated mechanical po ...

Question 1nbsp the area of the earths surface is

Question 1:  The area of the Earth's surface is approximately 516 X 10 6  km 2 .  What is the weight of the entire atmosphere in tonnes?  Express your answer using scientific notation, in units of 10 12  tonnes. Answer: ...

A single-phase diode bridge is supplied by an acnbspsource

A single-phase diode bridge is supplied by an a c  source of 257 V, 60 Hz. This bridge in turn supplies a dc load of I dc = 60 A. Estimate the voltage drops due to (1) source with an inductance of 0.02 m H , (2) each dio ...

While shopping for clothes a black woman is followed around

While shopping for clothes, a black woman is followed around the store by a white sales associate. Frustrated, she leaves the store and decides to go home. Her husband, on seeing her enter the house, asks: "What's for di ...

A mass on a spring vibrates in simple harmonic motion at a

A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 4.0 cm. If a timer is started when its displacement is a maximum (hence x =4cm when t=0), what is the acceleration magnit ...

A np hetero junction diode of the same donor and acceptor

A n+/p hetero junction diode of the same donor and acceptor dopant concentrations and areas as the Si homo junction diode above is known to have a layer of interfacial traps located at the metallurgical boundary. What is ...

1 the equilibrium electric potential variation in an n-type

1. The equilibrium electric potential variation in an n-type Si slice of thickness L Is found to be given by V 1 (x)-V 0 + (V L -V 0 )(x/L). What are the equilibrium concentrations of electrons and holes as a function of ...

For a particular car windscreen wiper mechanism an electric

For a particular car windscreen wiper mechanism, an electric motor is required that can provide 5 N m of torque at about 35 rpm. A small permanent magnet d.c. motor is suggested as being suitable for this purpose. The ma ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro