Digital alloys

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2011 IEEE Nanotechnology Materials and Devices Conference (NMDC)

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NMDC aims to develop critical assessment of existing work and future directions in nanotechnology research including nanomaterials and fabrications\, nanoelectronics\, nanophotonics\, devices\, and integration. This conference will bring together key researchers from every sector in the nanotechnology research field\, with a special focus on materials and devices.

  • 2010 IEEE Nanotechnology Materials and Devices Conference (NMDC)

    NMDC aims to develop critical assessment of existing work and future directions in nanotechnology research including nanomaterials and fabrications, nanoelectronics, nanophotonics, devices, and integration. This conference will bring together key researchers from all over the world and from every sector of academy and industry in the nanotechnology research field, with a special focus on materials and devices.

  • 2009 IEEE Nanotechnology Materials and Devices Conference (NMDC)

    NMDC aims to develop critical assessment of existing work and future directions in nanotechnology research including nanomaterials and fabrications, nanoelectronics, nanophotonics, devices, and integration. This conference will bring together key researchers from all over the world and from every sector of academy and industry in the nanotechnology research field, with a special focus on materials and devices.


2006 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD)


Xplore Articles related to Digital alloys

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  • Regrowth of high-quality <equation><font face='verdana'>Al</font><sub>0.3</sub><font face='verdana'>Ga</font><sub>0.7</sub><font face='verdana'>As/GaAs</font></equation> superlattices on laterally oxidized digital <equation><font face='verdana'>Al</font><sub>x</sub><font face='verdana'>Ga</font><sub>1-x</sub><font face='verdana'>As</font></equation> <equation>(x&#x226B;0.80)</equation> alloys

    Pickrell, G.W.; Chang, K.L.; Epple, J.H.; Hsieh, K.C.; Cheng, K.Y. Journal of Applied Physics, 2002

    Digital <equation><font face='roman'>Al</font><sub>x</sub><font face='roman'>Ga</font><sub>1-x</sub><font face='roman'>As</font></equation> alloys consisting of a repeated structure of alternating layers of AlAs and GaAs were grown between layers of GaAs. Lateral oxidation characteristics of these digital <equation><font face='roman'>Al</font><sub>x</sub><font face='roman'>Ga</font><sub>1-x</sub><font face='roman'>As</font></equation> <equation>(x&#x226B;0.8)</equation> alloys were determined. Decreasing aluminum compositions resulted in slower oxidation rates, similar to true <equation><font face='roman'>Al</font><sub>x</sub><font face='roman'>Ga</font><sub>1-x</sub><font face='roman'>As</font></equation> alloys. Further investigations of the oxidation characteristics ...

  • Characteristics of laminated alloy films heads for high frequency recording

    Saito, K. Magnetics, IEEE Transactions on, 1990

    Excellent performance of laminated Fe-Si-Al alloy film heads is demonstrated in applications to high-definition VCR and to digital recording. It is emphasized that these results are derived not only from the ring-shaped core geometry but also from the isotropic behavior in the magnetic properties of the sputtered Fe-Si-Al alloy films. The experimental results on the isotropic magnetic behavior are summarized. ...

  • 1.59 &mu;m lattice-matched AlGaInAs-InGaAs-InP lasers with digital alloy barrier and waveguide layers

    Liu, G.T.; Stintz, A.; Pease, E.A.; Newell, T.C.; Malloy, K.J.; Lester, L.F. Lasers and Electro-Optics Society Annual Meeting, 1998. LEOS '98. IEEE, 1998

    We present the first lattice-matched InGaAs quantum well lasers with barriers and waveguide grown using a digital alloy MBE technique. By rapidly switching the ternaries of AlInAs and InGaAs, the digital alloy process permits the growth of any quaternary AlGaInAs composition

  • Low-resistance Ohmic contacts to digital alloys of n-AlGaN/AlN

    Yun, J.; Choi, K.; Mathur, K.; Kuryatkov, V.; Borisov, B.; Kipshidze, G.; Nikishin, S.; Temkin, H. Electron Device Letters, IEEE, 2006

    Low contact resistance to digital alloys of n-type AlGaN/AlN with high average Al concentration is described. Low-energy electron diffraction was used to evaluate surface precleaning with HCl and buffered HF. The contact metallization consisting of a stack of Ti/Al/Ti/Au, 20/100/45/60 nm in thickness, was e-beam deposited and etch-patterned. The lowest specific contact resistance of 5.6&times;10<sup>-5</sup> &Omega;&middot;cm<sup>2</sup> was obtained after annealing ...

  • Studies of Mn/GaAs digital alloys using x-ray absorption fine structure and x-ray diffraction methods

    Soo, Y.L.; Kioseoglou, G.; Kim, S.; Chen, X.; Luo, H.; Kao, Y.H.; Sasaki, Y.; Liu, X.; Furdyna, J.K. Applied Physics Letters, 2002

    Local structure and effective chemical valency of Mn atoms in Mn/GaAs digital alloys have been investigated using the x-ray absorption fine structure techniques. The samples were prepared by molecular-beam epitaxy with different thickness of GaAs layers separating the nominal Mn monolayers. Lattice constants of the digital alloys are found by x-ray diffraction to increase linearly in a very narrow range ...

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Periodicals related to Digital alloys

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  • Electron Device Letters, IEEE

    Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronic devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.

  • Magnetics, IEEE Transactions on

    Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.

  • Photonics Technology Letters, IEEE

    Rapid publication of original research relevant to photonics technology. This expanding field emphasizes laser and electro-optic technology, laser physics and systems, applications, and photonic/ lightwave components and applications. The journal offers short, archival publication with minimal delay.