PHYSICS F./SCI... W/MOD V.II W/KIT
4th Edition
ISBN: 9780134819884
Author: GIANCOLI
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 40, Problem 43P
To determine
Find the longest wavelength photon that can cause an electron to jump from valence band to
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
(c) Calculate the Fermi energy of silver from the
data given below:
atom.
Density of Silver = 10.5 gm/cm³
atomic weight = 108
h = 6.62×10-34 Joule - sec
m = 9.1×10-³1 Kg.
Avogadro's number =6.02×10-21 atoms/gm-
What mass of phosphorus is needed to dope 1.0 g of silicon so that the number density of conduction electrons in the silicon is increased by a multiply factor of 106 from the 10^16 m-3 in pure silicon.
An abrupt uniformly doped silicon pn junction is reversed biased by Vg= 20 V. If
Na(in n-side)=10" cm, N,(in p-side)=10" cm then the junction capacitance is 20
pF. The junction capacitance if Na(in n-side) increased to 3x10" cm' is equal to
....pF.
a) 9
b)21
c)35
d) 52
e) 87
Chapter 40 Solutions
PHYSICS F./SCI... W/MOD V.II W/KIT
Ch. 40.4 - Determine the three lowest rotational energy...Ch. 40.6 - Prob. 1BECh. 40.6 - Prob. 1CECh. 40.8 - Prob. 1DECh. 40 - What type of bond would you expect for (a) the N2...Ch. 40 - Describe how the molecule CaCl2 could be formed.Ch. 40 - Does the H2 molecule have a permanent dipole...Ch. 40 - Although the molecule H3 is not stable, the ion...Ch. 40 - The energy of a molecule can be divided into four...Ch. 40 - Would you expect the molecule H2+ to be stable? If...
Ch. 40 - Explain why the carbon atom (Z = 6) usually forms...Ch. 40 - Prob. 8QCh. 40 - Prob. 9QCh. 40 - Prob. 10QCh. 40 - Prob. 11QCh. 40 - Prob. 12QCh. 40 - Prob. 13QCh. 40 - Prob. 14QCh. 40 - Prob. 15QCh. 40 - Prob. 16QCh. 40 - Prob. 17QCh. 40 - Prob. 18QCh. 40 - Prob. 19QCh. 40 - Prob. 20QCh. 40 - Prob. 21QCh. 40 - Prob. 22QCh. 40 - Prob. 23QCh. 40 - Prob. 1PCh. 40 - (II) The measured binding energy of KCl is 4.43eV....Ch. 40 - (II) Estimate the binding energy of the H2...Ch. 40 - (II) The equilibrium distance r0 between two atoms...Ch. 40 - Prob. 5PCh. 40 - Prob. 6PCh. 40 - (III) (a) Apply reasoning similar to that in the...Ch. 40 - (I) Show that the quantity 2/I has units of...Ch. 40 - Prob. 9PCh. 40 - Prob. 10PCh. 40 - Prob. 11PCh. 40 - Prob. 12PCh. 40 - Prob. 13PCh. 40 - Prob. 14PCh. 40 - Prob. 15PCh. 40 - Prob. 16PCh. 40 - (II) Calculate the bond length for the NaCl...Ch. 40 - Prob. 18PCh. 40 - Prob. 19PCh. 40 - Prob. 20PCh. 40 - Prob. 21PCh. 40 - Prob. 22PCh. 40 - Prob. 23PCh. 40 - Prob. 24PCh. 40 - Prob. 25PCh. 40 - Prob. 26PCh. 40 - Prob. 27PCh. 40 - Prob. 28PCh. 40 - Prob. 29PCh. 40 - Prob. 30PCh. 40 - Prob. 31PCh. 40 - Prob. 32PCh. 40 - Prob. 33PCh. 40 - Prob. 34PCh. 40 - Prob. 35PCh. 40 - Prob. 36PCh. 40 - Prob. 37PCh. 40 - Prob. 38PCh. 40 - Prob. 39PCh. 40 - Prob. 40PCh. 40 - Prob. 41PCh. 40 - Prob. 42PCh. 40 - Prob. 43PCh. 40 - Prob. 44PCh. 40 - Prob. 45PCh. 40 - Prob. 46PCh. 40 - Prob. 47PCh. 40 - Prob. 48PCh. 40 - Prob. 49PCh. 40 - Prob. 50PCh. 40 - Prob. 51PCh. 40 - Prob. 52PCh. 40 - Prob. 53PCh. 40 - Prob. 54PCh. 40 - Prob. 55PCh. 40 - Prob. 56PCh. 40 - Prob. 57PCh. 40 - Prob. 58PCh. 40 - Prob. 59PCh. 40 - Prob. 60PCh. 40 - Prob. 61PCh. 40 - Prob. 62GPCh. 40 - Prob. 63GPCh. 40 - Prob. 64GPCh. 40 - Prob. 65GPCh. 40 - Prob. 66GPCh. 40 - Prob. 67GPCh. 40 - Prob. 68GPCh. 40 - Prob. 69GPCh. 40 - Prob. 70GPCh. 40 - Prob. 71GPCh. 40 - Prob. 72GPCh. 40 - Prob. 73GPCh. 40 - Prob. 74GPCh. 40 - Prob. 75GPCh. 40 - Prob. 76GPCh. 40 - Prob. 77GPCh. 40 - Prob. 78GPCh. 40 - Prob. 79GPCh. 40 - Prob. 80GPCh. 40 - Prob. 81GPCh. 40 - Prob. 82GPCh. 40 - Prob. 83GPCh. 40 - Prob. 84GPCh. 40 - Prob. 85GPCh. 40 - Prob. 86GPCh. 40 - Prob. 87GPCh. 40 - Prob. 88GPCh. 40 - Prob. 89GP
Knowledge Booster
Similar questions
- For silicon the conduction band minimum is located at 0.49 Å-1 in the [100] direction (X is the Brillouin zone at H00), while the valence band maximum is located at the Γ point (k = 0).a) What is the wavelength and energy of photons needed to supply the required momentum to excite an electron from the Γ point to the conduction band minimum? b) What is the wavelength of photons needed to supply the required energy to excite an electron from the Γ point to the conduction band minimum?c) What limits optical absorption in silicon at photon energies near the band gap?arrow_forwardAssume a temperature of 300 K and fi nd the wavelength of the photon necessary to cause an electron to jump from the valence to the conduction band in (a) germanium, (b) silicon, (c) InAs, and (d) ZnS.arrow_forward(e) Intrinsic silicon has effective densities of states in the conduction band and the valence band of 3.2 × 10¹⁹ cm−³ and 1.8 × 10¹⁹ cm-³, respectively. If the band gap is 1.12 eV, what is the concentration of intrinsic charge carriers in silicon at 300 K? A. 9.46 x 10⁹ m-³ 9.46 x 10⁹ cm-³ 0 m-3 2.40 x 1019 cm-3 B. C. D.arrow_forward
- In a transistor circuit given determine IB, IC, IE, VCE, αdc and VBC.Neglect VBE, take β=100 1.VBB=10V,Vcc=15v,Rc=10k,Rb=1M,arrow_forward1) A Si p-n-p transistor has the following properties at room temperature: Tn = Tp 0.1 us NE 1019 сті Emitter concentration — 10 ст2/s -3 Dn = Dp NB 3D 1016 ст Base concentration Nc 1019 ст -3 = Collector concentration WE 3 µm Emitter width W 1.5 um Metallurgical base width, i.e. the distance between base-emitter junction and base-collector junction A = 10-5 cm² = Cross-sectional area If VCB = 0 V and VEB = 0.6 V, calculate the following: ЕВ a) Neutral base width (WB) b) Base transport factor c) Emitter injection efficiency d) a, ß and y. e) Ic, Ig and Ig.arrow_forwardIron has an atomic number Z-26, relative atomic mass of A=52 and a mass density of 7800 kg m-3, Estimate the number of conduction band electrons per m 3 in iron, assuming that each atom contributes two electrons to the conduction band. Recall that m e-9.1*10-31 kg, m p=1.67*10-27 kg, e=1.6*10-19 C, N A-6.022*10 23 mol-1 O 17.202 1028 17.482-1028 17.964*1028 O O 36.158 1028 O 58.725 1028arrow_forward
- 3. (a) Determine the percentage of ionic polarizability in the sodium chloride crystal which hasthe optical index of refraction and the static dielectric constant as 6.5 and 6.6respectively.arrow_forward(b) NaCl has the same structure as KCl. The Debye temperature for Nacl and KCl are 281k and 230k respectively. If lattice heat capacity of NaCl at 5k is 1.6 x 10-2jmol-!K-1, estimate the heat capacity of KCl at 5K and 3K. 1:1 narrow_forward(i) The total electrical resistivity of metals is the sum of the contributions from thermal vibrations, impurities and plastic deformation; (ii) the resistivity rises linearly with temperature above -200 degree Celsius; (iii) increasing the concentration of impurity results in an enhancement of impurity; (iv) plastic deformation also raises the electrical resistivity due to the increased numbers of electron-scattering dislocations. Which of the above statements is false? D. (iv) A. (i) C. (iii) E. All of the above B. (ii) Other:arrow_forward
- (ii) Show how the bandgap energy of a semiconductor particle varies with the size of the particle.arrow_forwardThe maximum wavelength of light that a certain silicon photocell can detect is 1.11 mm. (a) What is the energy gap (in electron volts) between the valence and conduction bands for this photocell? (b) Explain why pure silicon is opaque.arrow_forwardPhysics . Determine the number of conduction electrons/m3 in pure silicon AND silicon’s conductivity σfora) T = 10 Kb) T = 100 Kc) T = 1000 Kd) Conceptually, why does Si’s conductivity get better with increasing temperature?(For intrinsic Si, me* = 1.08me, μe = 1400cm2/V∙s, mh* = 0.60me, μh = 450cm2/V∙s, at. wt. = 28.085g/mol, density = 2.329 g/cm3).arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax