Question: Gallium arsenide (GaAs) and gallium phosphide (GaP) are compound semiconductors that have room-temperature band gap energies of 1.42 and 2.25 eV, respectively, and form solid

Gallium arsenide (GaAs) and gallium phosphide (GaP) are compound semiconductors that have room-temperature band gap energies of 1.42 and 2.25 eV, respectively, and form solid solutions in all proportions. Furthermore, the band gap of the alloy increases approximately linearly with GaP additions (in mol%). Alloys of these two materials are used for light-emitting diodes wherein light is generated by conduction band-to-valence band electron transitions. Determine the composition of a GaAs–GaP alloy that will emit orange light having a wavelength of 0.60 μm.

Step by Step Solution

★★★★★

3.40 Rating (172 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

This problem stipulates that GaAs and GaP have roomtemperature band gap energies of ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

33-E-M-S-E-M-S (826).docx

120 KBs Word File

Students Have Also Explored These Related Materials Science Engineering Questions!

Gallium arsenide (GaAs) and gallium phosphide (GaP) both have the zinc blende crystal structure and are soluble in one another at all concentrations. Determine the concentration in weight percent of...

GaAs and GaP (Eg = 2.26 eV) make solid solutions that have the same crystal structure as the parent materials, with As and P randomly distributed throughout the crystal. GaPxAs1 -x exists for any...

The energy gap between valence and conduction bands in germanium is 0.72eV. What range of wavelengths can a photon have to excite an electron from the top of the valence band into the conduction hand?

Gallium arsenide (GaAs) and gallium phosphide (GaP) are compound semiconductors that have room-temperature band gap energies of 1.42 and 2.25 eV, respectively, and form solid solutions in all...

19.D1 Gallium arsenide ( GaAs ) and gallium phosphide (GaP) are compound semiconductors that have room-temperature band gap energies of 1.42 and 2.26eV, respectively, and form solid solutions in all...

Consider the two 1D lattice systems of monoatomic and diatomic chains shown in fig. 1 , and 2 , respectively. Sketch the corresponding dispersion curves assuming that the atoms in both lattices can...

In the fabrication of semiconductors, one step is the formation of additional gallium arsenide (GaAs) on the surface of a GaAs wafer. To accomplish this, gaseous tri-methyl gallium (TMG) and arsine...

Q4 (15 pts). In the fabrication of semiconductors, one step is the formation of additional gallium arsenide (GaAs) on the surface of a GaAs wafer. To accomplish this, gaseous trimethyl gallium (TMG)...

. In the fabrication of semiconductors, one step is the formation of additional gallium arsenide (GaAs) on the surface of a GaAs wafer. To accomplish this, gaseous tri- methyl gallium (TMG) and...

Here is another superhero question. Jimmy Olsen falls 30 stories (about 300 ft) and it looks like he is just about to splatter on the sidewalk when Super girl flies in and catches him just a few feet...

The HIPAA Act requires financial institutions to ensure the security of customer data. specifies best practices in information systems security and control. imposes responsibility on companies and...

Solve the separable differential equation. y ' = 8 y 2 Use the following initial condition: y ( 8 ) = 2 y = Note: Your answer should b e a function o f x .

Samantha found that the correlation between income and self-reported happiness is r = +0.39. She concludes that if more people were wealthy they would be happier. What is the problem with her logic?

a. Assuming that the true mean road rage score is the same for males and females, there is a 0.002 probability of getting a difference in sample means equal to the one observed in this study. b....

Capacitors tend to be more expensive as their capacitance and maximum voltage V max increase. The voltage V max is limited by the field strength at which the dielectric breaks down, E BD . Which of...

Write an HTML document to create a form with the following capabilities: a. A text widget to collect the users name b. Four checkboxes, one each for the following items: i. Four 25-watt light bulbs...

6. LO 5 If total factor productivity decreases, determine using diagrams how this afects the golden rule quantity of capital per worker and the golden rule savings rate. Explain your results.

Compare a rotary transfer machine with an unmanned robotic cell.

Compare a human worker in a manned cell to the robotic worker in the unmanned cell. What are the advantages of one over the other?

The vast majority of robots are used in automobile fabrication for welding and painting. Why?

Enterprise Storage Company has 510,000 shares of cumulative preferred stock outstanding, which has a stated dividend of $4.75. It is six years in arrears in its dividend payments. Use Appendix B for...

Modern Artifacts can produce keepsakes that will be sold for $100 each. Nondepreciation fixed costs are $1,800 per year and variable costs are $45 per unit. a. If the project requires an initial...

HEY I NEED ANSWER IN 20 MINS KINDLY HELP ME TO SOLVE THANKS I GIVE YOU THUMBS UP KINDLY ANSWER ALL A financial institution has a portfolio of over-the-counter options on the same underlying asset....