Chi Xu

Direct-gap photoluminescence with tunable emission wavelength in Ge1−ySny alloys on silicon

Jay Mathews, Richard T. Beeler, J. Tolle et al. · Applied Physics Letters · 2010 · 181 citations

Optical Materials, Engineering, Direct-gap Photoluminescence +22

Deviations from Vegard's law in semiconductor thin films measured with X-ray diffraction and Rutherford backscattering: The Ge1-<i>y</i>Sn<i>y</i> and Ge1-<i>x</i>Si<i>x</i> cases

Chi Xu, Charutha Senaratne, Robert Culbertson et al. · Journal of Applied Physics · 2017 · 54 citations

Engineering, Thin Film Process Technology, Structural Materials +21

Fundamental band gap and direct-indirect crossover in Ge_1-_<i>x-y</i>Si_<i>x</i>Sn_<i>y</i> alloys

James Gallagher, Chi Xu, Liying Jiang et al. · Applied Physics Letters · 2013 · 52 citations

Materials Science, Semiconductors, Optical Materials +13

Synthesis and Fundamental Studies of Si-Compatible (Si)GeSn and GeSn Mid-IR Systems with Ultrahigh Sn Contents

Chi Xu, Dhruve A. Ringwala, Duo Wang et al. · Chemistry of Materials · 2019 · 41 citations

Development of Light Emitting Group IV Ternary Alloys on Si Platforms for Long Wavelength Optoelectronic Applications

Liying Jiang, Chi Xu, James Gallagher et al. · Chemistry of Materials · 2014 · 40 citations

Engineering, Si Platforms, Ge Buffer +19