Answered: An experimental nanoelectronic device… | bartleby

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An experimental nanoelectronic device confines electrons to a layer only 0.92
nm thick, which acts like a one-dimensional infinite square well. Find the
energies of the ground state and the first two excited states of these electrons.
Constants: h = 6.626-10-34 [J-s], m= 9.109-10-³¹ [kg] and ħ=h/2π.

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