![]() ![]() That’s the premise behind Moore’s Law, even now that it’s (almost) at an end. So improving the performance and boosting the density of these transistors is the most straightforward way to make microprocessors-and the computers they power-work better. There are billions of them in a microprocessor today, and they are nearly all identical. The modern microprocessor is among the world’s most complex systems, but at its heart is a very simple, and we think beautiful, device: the transistor. The design reduces avenues for current to leak through and boosts the amount of current the device can drive. The optimal conditions forĪccumulating spin polarization on an unpolarized reservoir are to either applyĪ Zeeman field in addition to the SOI, or to polarize the other reservoir.The Shape of Things to Come: Nanosheet field-effect transistors flow current through multiple stacks of silicon that are completely surrounded by the transistor gate. Magnetization of the other reservoir is rotated. ![]() In particular, this spin current changes as the Magnetized then the spin current into the other reservoir has arbitrary tunable This spin current can beĮnhanced by increasing the magnetization of the other reservoir, and can alsoīe tuned by the SOI and the various magnetic fields. Magnetization, independent of all the other fields. Into that reservoir can only have spins which are parallel to the reservoir (equilibrium) magnetization, then we surprisingly find that the spin current Polarization is injected into the reservoirs. In contrast to the particleĬurrent, the spin currents are not necessarily conserved an additional spin Here we investigate theĭependence of these currents on additional Zeeman fields on the heterostructureĪnd on variations of the reservoir magnetizations. The spins of electrons crossing the heterostructure. ![]() Varying the strength of the SOI, which changes the amount of the rotation of (possibly) different for each spin direction. The particle and spin currentsīetween the two reservoirs are driven by chemical potentials that are Separating two possibly magnetized reservoirs. Rashba spin-orbit interaction (SOI) at the interface (or quantum well) Sarkar and 4 other authors Download PDF Abstract: A Datta-Das spin field-effect transistor is built of a heterostructure with a Download a PDF of the paper titled Effects of magnetic fields on the Datta-Das spin field-effect transistor, by K. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |