Hélio Chacham - Concepedia

Author

Hélio Chacham

Universidade Federal de Minas Gerais ORCID

Also Known As

Chacham, H., Chacham, Helio, Chacham, Hélio, H Chacham, H. Chacham, Helio Chacham, Hélio Chacham, H�lio Chacham

185

Publications

4.5K

Citations

H-Index

100

Concepts

All Affiliations

Universidade Federal de Minas Gerais Universidade Federal de Ouro Preto Universidade Federal do Rio de Janeiro The University of Texas at Austin

About

Hélio Chacham is an author at Universidade Federal de Minas Gerais specializing in engineering, applied physics, and materials science.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	34	71	3.1K
2	Applied Physics	31	64	2.9K
3	Natural Sciences	22	35	1.4K
4	Biomedical Engineering	1	1	19
5	Chemical Engineering	1	1	38

Hélio Chacham

Publications

Citations

H-Index

Page 1

	Year	Citations
Third and Fourth Optical Transitions in Semiconducting Carbon Nanotubes Paulo T. Araújo, Stephen K. Doorn, Svetlana Kilina, Physical Review Letters	2007	295
Stability of native defects in hexagonal and cubic boron nitride Walter Orellana, Hélio Chacham Physical review. B, Condensed matter Materials ScienceSemiconductorsCubic BoronNative DefectsEngineering	2001	181
Disorder and Segregation in B−C−N Graphene-Type Layers and Nanotubes: Tuning the Band Gap Jonathan da Rocha Martins, Hélio Chacham ACS Nano EngineeringCubic Boron NitrideElectronic PropertiesBand GapBorophene	2010	159
Room‐Temperature Compression‐Induced Diamondization of Few‐Layer Graphene Ana Paula Moreira Barboza, Marcos H. D. Guimarães, Daniel Vasconcelos Pazzini Massote, Advanced Materials Materials ScienceGraphene NanomeshesDiamond-like CarbonEngineeringPhysics	2011	150
Instabilities in Diamond under High Shear Stress Hélio Chacham, Leonard Kleinman Physical Review Letters Materials ScienceDiamond-like CarbonMineral PhysicEngineeringDislocation Interaction	2000	130
Stability, geometry, and electronic structure of the boron nitride B36N36 fullerene Simone S. Alexandre, Mário S. C. Mazzoni, Hélio Chacham Applied Physics Letters B36n36 FullereneEngineeringCubic Boron NitrideChemistryElectronic Properties	1999	120
Enhancing the response of NH3 graphene-sensors by using devices with different graphene-substrate distances Alisson R. Cadore, Edrian Mania, Ananias B Alencar, Sensors and Actuators B Chemical Materials ScienceGraphene NanomeshesGraphene Quantum DotEngineeringSensors	2018	102
Small Polarons in Dry DNA Simone S. Alexandre, Emilio Artacho, José M. Soler, Physical Review Letters	2003	101
Bandgap closure of a flattened semiconductor carbon nanotube: A first-principles study Mário S. C. Mazzoni, Hélio Chacham Applied Physics Letters NanosheetEngineeringElectronic PropertiesBandgap ClosureBand Gap	2000	98
Metallization of solid hydrogen at megabar pressures: A first-principles quasiparticle study Hélio Chacham, Steven G. Louie Physical Review Letters EngineeringChemistryBand GapSolid Molecular HydrogenFirst-principles Quasiparticle Study	1991	98

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