The band gap in silicon is 1.12 eV. Calculate the minimum frequency of electromagnetic radiation that results

Question:

The band gap in silicon is 1.12 eV. Calculate the minimum frequency of electromagnetic radiation that results in promotion of electrons from the valence to the conduction band.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Physical Chemistry

ISBN: 978-0716743880

7th Edition

Authors: Peter Atkins

See More Books

Question Posted: Mar 12, 2010 12:24 AM

See More Questions

The direct band gap in silicon is 3.4 eV. What is the maximum possible collection efficiency (for incident thermal radiation at 6000 K) for excitations over this gap?
The band gap in aluminum phosphide (AlP) is 2.5 electron-volts (1 eV = 1.6 1019 J). What wavelength of light is emitted by an AlP diode?
Silicon has a band gap of 1.1 eV at room temperature. (a) What wavelength of light would a photon of this energy correspond to? (b) Draw a vertical line at this wavelength in the figure shown, which...
T-bills currently yield 3.9 percent. Stock in Nina Manufacturing is currently selling for $63 per share. There is no possibility that the stock will be worth less than $61 per share in one year. a....
Many people believe that a dark tan is attractive and a sign of good health, but mounting evidence indicates that too much sun can lead to health problems. One of the most noticeable effects is...
Smithson Company uses a job-order costing system and has two manufacturing departments Molding and Fabrication. The company provided the following estimates at the beginning of the year: During the...
Managerial accounting professionals follow a code of ethics. As a member of the Institute of Management Accountants, the managerial accountant must comply with Standards of Ethical Conduct. Required...
Stargazer Recordings sells compact discs in two markets. The marginal cost of each disc is $2. Demand in each market is given by Q1 = 40 10P1 and Q2 = 40 2P2 where Q is thousands of compact discs....
Sam starts Sam Services Limited'on January 1 . By January 3 1 , the trial balance of his business shows the following balances: \ table [ [ , Debit ( $ ) , Credit ( $ ) ] , [ Cash , 1 5 , 0 0 0 , ] ,...
The Ningbo Fortune Company produces custom-made linens for the hospitality industry. During the month of June, the company purchased 10,000 bolts of spun polyester fabric at the cost of $80 per bolt....
Poisson's ratio for lead is 0.41. What change in volume takes place when a cube of lead of volume 1.0 dm3 is subjected to an uneasily stress that produces a strain of 2.0 per cent?
The magnetic moment of MN in its complexes is typically 5.3, uB How many unpaired electrons does the ion possess?
Genedak-Hogans WACC. Calculate the weighted average cost of capital for Genedak-Hogan before and after international diversification. a. Did the reduction in debt costs reduce the firms weighted...
Company, a soft-drink vendor, has created a table of costs for three stocking decisions for three different states of nature: Alternatives States of Nature Low Demand Medium Demand High Demand Large...
utilizes a project scheduling software application to develop a project schedule for a construction project.
Kimi is a server or restaurant and relies on tips from a customers to make a living. She doesn't really enjoy her job and frequently think about quitting because she is constantly having 2% a happy...
What represents revenues (Inflow) and expenses (Outflow) for a healthcare organization? Your paper should include information on sources of healthcare revenue (governmental and private payers), how...
case study analysis should be a thoughtful write up including: 1.a brief case analysis 2.key questions and answers from the case from your unique perspective 3.a summary and/or recommendations...
What are the characteristics of an intangible asset? AppendixLO1
A Bloomberg Businessweek subscriber study asked, In the past 12 months, when traveling for business, what type of airline ticket did you purchase most often? A second question asked if the type of...
The following table lists monthly stock prices in Canada as measured by the S&P/TSX Composite Index (this is CANSIM II series V122620) for 2008. a. Which month would have been the worst month to buy...
Ionic compounds typically have higher boiling points and lower vapor pressures than covalent compounds. Predict which compound in the following pairs has the lower vapor pressure at room temperature:...
On the basis of the expected charges on the monatomic ions, give the chemical formula of each of the following compounds: (a) Magnesium arsenide; (b) Indium(III) sulfide; (c) Aluminum hydride; (d)...
Draw the Lewis structure and predict the shape of (a) OSbCl 3 ; (b) SO 2 Cl 2 ; (c) IO2F 2 . The atom in boldface red type is the central atom.
Glencove Company makes one model of radar gun used by law enforcement officers. All direct materials are added at the beginning of the manufacturing process. Information for the month of September...
Larren Buffett is concerned after receiving her weekly paycheck. She believes that her deductions for Social Security, Medicare, and Federal Income Tax withholding (FIT) may be incorrect. Larren is...
The major justification for adding Step 0 to the U.S. GAAP impairment test for goodwill and indefinite lived intangibles is that it: A. Saves money spent estimating fair values B. Results in more...

The band gap in silicon is 1.12 eV. Calculate the minimum frequency of electromagnetic radiation that results

Question:

Step by Step Answer:

Egh Eg hvmin an...View the full answer

Physical Chemistry

Students also viewed these Physical Chemistry questions