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3.490  Articles
1 of 349 pages  |  10  records  |  more records»
We study the electronic structure of n-type delta-doped quantum wells in GaAs in which the multiple well system is built according to the Fibonacci sequence. The building blocks A and B correspond to delta-doped wells with impurities densities n2DA and n2... see more

This paper offers an scheme for the calculation of the mobility of electrons in a delta doped QW considering the conditions of low temperature and low electric field intensity. The system considered is a quantum well for electrons in the conduction band m... see more

We establish the basis for the study of the effect of a extended line of impurities on a sheet of graphene. By using dimensional analysis and proposing a two dimensional Poisson equation, we obtain the functional form of the potential and electronic densi... see more

In this study, a low-cost and environmentally friendly method is developed to synthesize cobalt and nitrogen co-doped graphene-carbon nanotube aerogel (Co-N-GCA) as a bifunctional electrocatalyst for the oxygen reduction reaction (ORR) and the oxygen evol... see more

We present a theoretical study of the effect from doping of quantum wells (QWs) on enhancement of the mobility limited by one-interface roughness scattering. Within the variational approach, we introduce the enhancement factor defined by the ratio of the ... see more

We present a theoretical study of the effects from symmetric modulation of the envelop wave function on quantum transport in square quantum wells (QWs). Within the variational approach we obtain analytic expressions for the carrier distribu... see more

Suatu penelitian untuk mengetahui aktivitas residu dan respon iritabilitas PermaNet® long lasting-insecticide-treated mosquito nets (ITNs) deltamethrin 55 mg/m2 setelah pencucian, dilakukan di BPVRP Salatiga, bulan Oktober-November 2004 dengan metoda uji ... see more

Background: Neodymium-doped yttrium aluminum garnet (Nd:YAG) laser capsulotomy is a relatively noninvasive procedure that is used in the treatment of posterior capsular opacification (PCO). PCO is caused by proliferation of lens epithelial cells which cau... see more

AbstrakLatar belakang: Penggunaan insektisida secara intensif tidak hanya memberikan dampak pada spesies target, namun juga pada spesies non-target dan lingkungan. Pada penelitian ini dilakukan penilaian pengaruh residu deltametrin terhadap kecoa (Peripla... see more

1 of 349 pages  |  10  records  |  more records»