Works (40)

2017 journal article

Electric field control of ferromagnetism at room temperature in GaCrN (p-i-n) device structures

Applied Physics Letters, 111(8).

By: N. El-Masry, J. Zavada, J. Reynolds, C. Reynolds, Z. Liu & S. Bedair

Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

Enhanced magnetization in erbium doped GaN thin films due to strain induced electric fields

Applied Physics Letters, 99(12).

By: N. Woodward, N. Nepal, B. Mitchell, I. Feng, J. Li, H. Jiang, J. Lin, J. Zavada, V. Dierolf

Source: NC State University Libraries
Added: August 6, 2018

2011 conference paper

Light emitting diodes based on sidewall m-plane epitaxy of etched GaN/sapphire templates

Physica status solidi c: current topics in solid state physics, vol 8, no 7-8, 8(7-8).

Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

Luminescence spectroscopy of europium doped gallium nitride powder prepared by a Na flux method

Physica Status Solidi. A, Applications and Materials Science, 208(1), 156–160.

By: E. Brown, U. Hommerich, T. Yamada, H. Yamane & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2011 conference paper

Mid-infrared emission characteristics and energy transfer processes in doubly doped Tm, Tb: KPb2Br5 and Tm, Nd: KPb2Br5

Optical Materials, 33(7), 985–988.

By: A. Bluiett, D. Peele, K. Norman, E. Brown, U. Hommerich, S. Trivedi, J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2011 conference paper

Near infrared photonic devices based on Er-doped GaN and InGaN

Optical Materials, 33(7), 1066–1070.

By: R. Dahal, J. Lin, H. Jiang & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2011 conference paper

Optical and magneto-optical properties of erbium doped InGaN and GaN epilayers

Optical Materials, 33(7), 1059–1062.

By: N. Woodward, V. Dierolf, J. Lin, H. Jiang & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

Strong substrate effects of Joule heating in graphene electronics

Applied Physics Letters, 99(23).

By: X. Li, B. Kong, J. Zavada & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

Weak ferromagnetism of antiferromagnetic domains in graphene with defects

Physical Review. B, Condensed Matter and Materials Physics, 84(16).

By: Y. Semenov, J. Zavada & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Electrical and magnetic properties of GaN codoped with Eu and Si

Journal of Applied Physics, 107(1).

By: R. Wang, A. Steckl, N. Nepal & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Electrically controlled magnetic switching based on graphene-magnet composite structures

Journal of Applied Physics, 107(6).

By: Y. Semenov, J. Zavada & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Electron spin relaxation in carbon nanotubes

Physical Review. B, Condensed Matter and Materials Physics, 82(15).

By: Y. Semenov, J. Zavada & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Enhancing erbium emission by strain engineering in GaN heteroepitaxial layers

Applied Physics Letters, 96(3).

By: I. Feng, J. Li, A. Sedhain, J. Lin, H. Jiang & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2010 review

Er-doped GaN and InxGa1-xN for optical communications

[Review of ]. Rare earth doped iii-nitrides for optoelectronic and spintronic applications, 124, 115–157.

By: R. Dahal, J. Lin, H. Jiang & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2010 conference paper

Ferromagnetism and near infrared luminescence in neodymium and erbium doped gallium nitride via diffusion

Novel materials and devices for spintronics, 1183, 45–50.

By: M. Luen, N. Nepal, P. Frajtag, J. Zavada, E. Brown, U. Hommerich, S. Bedair, N. El Masry

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

First-principles analysis of electron-phonon interactions in graphene

Physical Review. B, Condensed Matter and Materials Physics, 81(12).

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Graphene spin capacitor for magnetic field sensing

Applied Physics Letters, 97(1).

By: Y. Semenov, J. Zavada & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2010 conference paper

Growth and optical spectroscopy of Ho-doped KPb2Cl5 for infrared solid-state lasers

Journal of Crystal Growth, 312(8), 1154–1156.

By: O. Oyebola, U. Hommerich, E. Brown, S. Trivedi, A. Bluiett & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Surface polar phonon dominated electron transport in graphene

Applied Physics Letters, 97(23).

By: X. Li, E. Barry, J. Zavada, M. Nardelli & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Deep ultraviolet photoluminescence of Tm-doped AlGaN alloys

Applied Physics Letters, 94(11).

By: N. Nepal, J. Zavada, D. Lee, A. Steckl, A. Sedhain, J. Lin, H. Jiang

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Effect of Si codoping on Eu3+ luminescence in GaN

Journal of Applied Physics, 105(4).

By: R. Wang, A. Steckl, E. Brown, U. Hommerich & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Electric field control of room temperature ferromagnetism in III-N dilute magnetic semiconductor films

Applied Physics Letters, 94(13).

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Erbium-doped GaN optical amplifiers operating at 1.54 mu m

Applied Physics Letters, 95(11).

By: R. Dahal, C. Ugolini, J. Lin, H. Jiang & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Optical enhancement of room temperature ferromagnetism in Er-doped GaN epilayers

Applied Physics Letters, 95(2).

By: N. Nepal, J. Zavada, R. Dahal, C. Ugolini, A. Sedhain, J. Lin, H. Jiang

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Photoluminescence properties of erbium doped InGaN epilayers

Applied Physics Letters, 95(4).

By: A. Sedhain, C. Ugolini, J. Lin, H. Jiang & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2009 conference paper

Spectroscopic characterization of Praseodymium doped Gallium Nitride powder prepared by a Na flux method

Journal of Alloys and Compounds, 488(2), 628–631.

By: E. Brown, U. Hommerich, T. Yamada, H. Yamane & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2009 conference paper

Spectroscopic studies of the 1.5 mu M (I-4(15/2) -> I-4(13/2)) emission from polycrystalline ceramic Er:YAG and Er:KPb2Cl5

Journal of Alloys and Compounds, 488(2), 624–627.

By: U. Hommerich, C. Hanley, E. Brown, S. Trivedi & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Current-injected 1.54 mu m light emitting diodes based on erbium-doped GaN

Applied Physics Letters, 93(3).

By: R. Dahal, C. Ugolini, J. Lin, H. Jiang & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Dynamics of ultraviolet emissions in Tm-doped AIN using above band gap excitation

Applied Physics Letters, 93(6).

By: N. Nepal, J. Zavada, D. Lee & A. Steckl

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Electrical control of exchange bias mediated by graphene

Physical Review Letters, 101(14).

By: Y. Semenov, J. Zavada & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Magnetic polaron for a spin memory application

Journal of Applied Physics, 104(8).

By: H. Enaya, Y. Semenov, J. Zavada & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Magnetoresistance in bilayer graphene via ferromagnet proximity effects

Physical Review. B, Condensed Matter and Materials Physics, 77(23).

By: Y. Semenov, J. Zavada & K. Kim

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Nonvolatile memory via spin polaron formation

IEEE Transactions on Nanotechnology, 7(4), 480–483.

By: H. Enaya, Y. Semenov, K. Kim & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Correlation between photoluminescence and magnetic properties of GaMnN films

Applied Physics Letters, 91(24).

By: N. Nepal, A. Mahros, S. Bedair, N. El-Masry & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Electrical manipulation of nonvolatile spin cell based on diluted magnetic semiconductor quantum dots

IEEE Transactions on Electron Devices, 54(5), 1032–1039.

By: H. Enaya, Y. Semenov, K. Kim & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Imaging properties of a metallic photonic crystal

Journal of Applied Physics, 101(11).

By: D. Xiao, K. Kim & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Magnetic and magnetotransport properties of (AlGaN/GaN): Mg/(GaMnN) heterostructures at room temperature

Applied Physics Letters, 90(25).

By: A. Mahros, M. Luen, A. Emara, S. Bedair, E. Berkman, N. El-Masry, J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Spin field effect transistor with a graphene channel

Applied Physics Letters, 91(15).

By: Y. Semenov, K. Kim & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Tunable waveguiding in electrically programmable VO2-based photonic crystals

Journal of Applied Physics, 99(11).

By: D. Xiao, K. Kim, G. Lazzi & J. Zavada

Source: NC State University Libraries
Added: August 6, 2018

conference paper

Strain relaxation in InxGa1-xN/GaN quantum well structures

Emara, A. M., Berkman, E. A., Zavada, J., El-Masry, N. A., & Bedair, S. M. Physica status solidi c: current topics in solid state physics, vol 8, no 7-8, 8(7-8).

Source: NC State University Libraries
Added: August 6, 2018