<div>Dear wien users,</div> <div> </div> <div> Recently, When I calculated the ELNES of h-BN, a weak peak appeared in my spectra, the selection rule I choosed was dipole, but I think this peak appeared because of quadrupole. I don't konw is it possible.</div> <div> </div> <div> Any reply will be appreciated.</div> <div> </div> <div> BoKang</div> <div> </div><p> 
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