Brillouin Zones, Diffraction, and Allowed Energy Levels

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Physics of Materials by Dr. Prathap Haridoss,Department of Metallurgical & Materials Engineering,IIT Madras. For more details on NPTEL visit nptel.iitm.ac.in
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12 сен 2024

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Комментарии : 19

@mitchellmckay5448 4 года назад

Watching them all, you've been such a great help. Thank you.

@manishasutre7651 5 лет назад

What a beautiful explanation,thankyou sir for such amazing lectures

@tech2hub267 3 года назад

be careful....Sir is our hero

@sgurdmeal662 Год назад

Spiderman

@linamarcelacastrozambrano2216 8 лет назад

Thank you very much, for this great Lectures!!!!

@deepakmagi900 11 лет назад

Very very useful professor. Thank you

@lavanyarani5577 6 лет назад

your teaching is really awesome professor.

@rameshjayaraman87 2 года назад

You are an amazing teacher, professor.

@mahenmarathe5904 4 года назад

perfect explaination. great thank you

@solamash3606 8 лет назад

Thank you so much, it was fantastic.

@abdulmalikanaja8149 2 года назад

Thanks for all of these lectures.

@ibrahimhabib4001 5 лет назад

Thank you professor

@seemashivhare2249 6 лет назад

great lecture sir!! ..bt one think I don't understand, why u make Bragg plane at 2pi/a,4pi/a,..... since Bragg plane is a perpendicular bisector of line joing two reciprocal lattice point but at 2pi/a , 4pi/a.....the lattice point is located ???? plzz explain .!! thanku 😊

@podzorov 5 лет назад

Because Bragg planes by definition are perpendicular bisectors not only for the lines connecting the origin with the nearest-neighbor lattice sites, but also for the lines connecting the origin with any other sites. For example, the perp. bisector for the vector connecting the origin site with the second lattice site (at k = 2*(2pi/a)) will dissect the line at 2pi/a, etc.

@priyankaaggarwal6986 5 лет назад

As u have said bragg's plane are perpendicular bisector of line joining origin to the reciprocal lattice points.Therefore when we join the line connecting lattice point at position 4π/a to the origin we will get the bragg plane at position 2π/a..Hope u understand the concept.