Works (31)

2019 journal article

Quasi-phase-matched second harmonic generation of UV light using AlN waveguides

APPLIED PHYSICS LETTERS, 114(10).

By: D. Alden, T. Troha, R. Kirste, S. Mita, Q. Guo, A. Hoffmann, M. Zgonik, R. Collazo, Z. Sitar

Source: Web Of Science
Added: April 2, 2019

2019 article

The polarization field in Al-rich AlGaN multiple quantum wells

JAPANESE JOURNAL OF APPLIED PHYSICS.

By: Q. Guo, R. Kirste, S. Mita, J. Tweedie, P. Reddy, S. Washiyama, M. Breckenridge, R. Collazo, Z. Sitar

Source: Web Of Science
Added: July 29, 2019

2019 journal article

The role of transient surface morphology on composition control in AlGaN layers and wells

APPLIED PHYSICS LETTERS, 114(3).

Source: NC State University Libraries
Added: February 11, 2019

2018 journal article

A thermodynamic supersaturation model for the growth of aluminum gallium nitride by metalorganic chemical vapor deposition

JOURNAL OF APPLIED PHYSICS, 124(11).

Source: NC State University Libraries
Added: October 16, 2018

2018 journal article

Structure of ultrathin native oxides on III-nitride surfaces

ACS Applied Materials & Interfaces, 10(13), 10607–10611.

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

2017 journal article

Defect quasi Fermi level control-based C-N reduction in GaN: Evidence for the role of minority carriers

Applied Physics Letters, 111(15).

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

2017 journal article

High free carrier concentration in p-GaN grown on AlN substrates

Applied Physics Letters, 111(3).

By: B. Sarkar, S. Mita, P. Reddy, A. Klump, F. Kaess, J. Tweedie, I. Bryan, Z. Bryan ...

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

2017 conference paper

Material considerations for the development of III-nitride power devices

In Gallium nitride and silicon carbide power technologies 7 (Vol. 80, pp. 29–36).

By: B. Sarkar, P. Reddy, F. Kaess, B. Haidet, J. Tweedie, S. Mita, R. Kirste, E. Kohn, R. Collazo, Z. Sitar

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

2016 journal article

Selective area epitaxy of magnesium oxide thin films on gallium nitride surfaces

Journal of Materials Research, 31(1), 36–45.

By: M. Losego, E. Paisley, H. Craft, P. Lam, E. Sachet, S. Mita, R. Collazo, Z. Sitar, J. Maria

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

2014 journal article

Smooth cubic commensurate oxides on gallium nitride

Journal of Applied Physics, 115(6).

By: E. Paisley, B. Gaddy, J. LeBeau, C. Shelton, M. Biegalski, H. Christen, M. Losego, S. Mita ...

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

2013 journal article

Fermi level control of point defects during growth of Mg-doped GaN

Journal of Electronic Materials, 42(5), 815–819.

By: Z. Bryan, M. Hoffmann, J. Tweedie, R. Kirste, G. Callsen, I. Bryan, A. Rice, M. Bobea ...

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

2012 journal article

Surfactant assisted growth of MgO films on GaN

Applied Physics Letters, 101(9).

By: E. Paisley, T. Shelton, S. Mita, R. Collazo, H. Christen, Z. Sitar, M. Biegalski, J. Maria

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

2011 journal article

On the strain in n-type GaN

Applied Physics Letters, 99(14).

By: J. Xie, S. Mita, L. Hussey, A. Rice, J. Tweedie, J. LeBeau, R. Collazo, Z. Sitar

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

2011 conference paper

Progress on n-type doping of AlGaN alloys on AlN single crystal substrates for UV optoelectronic applications

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

By: R. Collazo, S. Mita, J. Xie, A. Rice, J. Tweedie, R. Dalmau, Z. Sitar

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

2010 journal article

Critical examination of growth rate for magnesium oxide (MgO) thin films deposited by molecular beam epitaxy with a molecular oxygen flux

Journal of Materials Research, 25(4), 670–679.

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

2010 conference paper

Linear dependency of Al-mole fraction with group-III precursor flows in AlxGa1-xN (0 <= x <= 1) deposition by LP OMVPE

In Journal of Crystal Growth (Vol. 312, pp. 1321–1324).

By: A. Rice, R. Collazo, J. Tweedie, J. Xie, S. Mita & Z. Sitar

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

2009 journal article

Epitaxial Ba0.5Sr0.5TiO3-GaN heterostructures with abrupt interfaces

Journal of Crystal Growth, 311(4), 1106–1109.

By: M. Losego, L. Kourkoutis, S. Mita, H. Craft, D. Muller, R. Collazo, Z. Sitar, J. Maria

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

2009 conference paper

Fabrication of a GaN lateral polarity junction by metalorganic chemical vapor deposition

In Journal of Crystal Growth (Vol. 311, pp. 3044–3048).

By: S. Mita, R. Collazo & Z. Sitar

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

2008 journal article

Direct observation of inversion domain boundaries of GaN on c-sapphire at sub-Angstrom resolution

Advanced Materials, 20(11), 2162-.

By: F. Liu, R. Collazo, S. Mita, Z. Sitar, S. Pennycook & G. Duscher

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

2008 journal article

Epitaxial growth of the metastable phase ytterbium monoxide on gallium nitride surfaces

Journal of Crystal Growth, 310(1), 51–56.

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

2008 journal article

Influence of gallium supersaturation on the properties of GaN grown by metalorganic chemical vapor deposition

Journal of Applied Physics, 104(1).

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

2008 journal article

Spectroscopic analysis of the epitaxial CaO (111)-GaN (0002) interface

Applied Physics Letters, 92(8).

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

2008 journal article

The The influence of substrate polarity on the structural quality of InN layers grown by high-pressure chemical vapor deposition

Applied Physics Letters, 92(4).

By: N. Dietz, M. Alevli, R. Atalay, G. Durkaya, R. Collazo, J. Tweedie, S. Mita, Z. Sitar

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

2008 article

The The mechanism for polarity inversion of GaN via a thin AlN layer: Direct experimental evidence (vol 91, art no 203115, 2007)

Applied Physics Letters.

By: F. Liu, R. Collazo, S. Mita, Z. Sitar, G. Duscher & S. Pennycook

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

2008 journal article

Three-dimensional geometry of nanometer-scale AlN pits: A new template for quantum dots?

Advanced Materials, 20(1), 134-.

By: F. Liu, R. Collazo, S. Mita, Z. Sitar & G. Duscher

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

2007 journal article

Band offsets and growth mode of molecular beam epitaxy grown MgO (111) on GaN (0002) by x-ray photoelectron spectroscopy

Journal of Applied Physics, 102(7).

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

2007 journal article

Epitaxial calcium oxide films deposited on gallium nitride surfaces

Journal of Vacuum Science & Technology. B, Microelectronics and Nanometer Structures, 25(3), 1029–1032.

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

2007 journal article

Simultaneous growth of a GaN p/n lateral polarity junction by polar selective doping

Applied Physics Letters, 91(21).

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

2007 journal article

X-ray photoelectron spectroscopy characterization of aluminum nitride surface oxides: Thermal and hydrothermal evolution

Journal of Electronic Materials, 36(4), 414–419.

By: R. Dalmau, R. Collazo, S. Mita & Z. Sitar

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

2006 journal article

Growth of Ga- and N- polar gallium nitride layers by metalorganic vapor phase epitaxy on sapphire wafers

Journal of Crystal Growth, 287(2), 586–590.

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

conference paper

Fabrication and characterization of lateral polar GaN structures for second harmonic generation

Hoffmann, M. P., Gerhold, M., Kirste, R., Rice, A., Akouala, C. R., Xie, J. Q. Q., … Sitar, Z. In Quantum sensing and nanophotonic devices x (Vol. 8631).

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