Question
The frequency of the longitudinal optical phonon for at the centre of the first Brillouin zone is
. Calculate the interatomic force constant for this material. (The atomic weight of
and
)
Answer :
Word Count : 175
The interatomic force constant (k) is related to the frequency of the optical phonon by the formula for a diatomic linear lattice: [ \omega = \sqrt{\frac{2k}{\mu}} ] where (\mu) is the reduced mass of the ___ _____ ______ _____ __________ _____ ___ _________ ___ ___ __________ _________.
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_____ _________ ________ ___ ______ _______ _______ ____ ____.
_____ __________ ________ _______ _________.
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The interatomic force constant (k) is related to the frequency of the optical phonon by the formula for a diatomic linear lattice: [ \omega = \sqrt{\frac{2k}{\mu}} ] where (\mu) is the reduced mass of the ___ _____ ______ _____ __________ _____ ___ _________ ___ ___ __________ _________.
_________ ______ ______ ___ ________ _______ ________ ___.
_________ _____ _____ ________ _______ ________ _____.
_____ ________ ___ _______ ____ _______ _______.
____ ________ ___ _____ _________ ___ ________ ___.
___ __________ _____ __________ ________ ___.
_______ __________ _____ ______ ___ ________ ________ _______ _______.
_____ ____ ______ _______ ___ _______ ___ _________ _____.
_______ ______ ____ ___ ________ ____ _____ ____ ____ ________.
_____ __________ ___ ________ _______.
_________ ________ ____ _____ ________ ____ _______.
______ ____ ____ ___ ___ ___ ____ _______ __________ ______ __________ _____.
_____ __________ _____ _____ ________ __________.
________ ___ ___ _____ ___ _______ ___ _________.
_______ ____ _____ ______ _________ __________.
________ _________ __________ ___ _____ ______.
_____ _________ ________ ___ ______ _______ _______ ____ ____.
_____ __________ ________ _______ _________.
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