Concepedia

H. Helava

HH

34

Publications

1.4K

Citations

21

H-Index

1977

Active since

Affiliations

Nitride Crystals (United States)(Current)

Virginia Commonwealth University

ITMO University

Saint Petersburg State Electrotechnical University

Ural Institute of Metals

H. Helava is an author at Nitride Crystals (United States) specializing in engineering, applied physics, and optoelectronics.

Top concepts

Publications per year

1977–2020

34

Publications

34

Carbon defects as sources of the green and yellow luminescence bands in undoped GaN

M. A. Reshchikov, D. O. Demchenko, A. Usikov et al. · Physical Review B · 2014 · 182 citations · Full text

, , +13

Homoepitaxy of GaN on polished bulk single crystals by metalorganic chemical vapor deposition

F. A. Ponce, D. P. Bour, Werner Götz et al. · Applied Physics Letters · 1996 · 107 citations

, , +11

Sublimation growth of AlN bulk crystals in Ta crucibles

E. N. Mokhov, O.V. Avdeev, I. S. Barash et al. · Journal of Crystal Growth · 2005 · 95 citations

, , +7

Evaluation of the concentration of point defects in GaN

M. A. Reshchikov, A. Usikov, H. Helava et al. · Scientific Reports · 2017 · 77 citations · Full text

Experimental and theoretical analysis of sublimation growth of AlN bulk crystals

Yu.N. Makarov, O.V. Avdeev, I. S. Barash et al. · Journal of Crystal Growth · 2007 · 72 citations

, , +11

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