Under-coordinated atoms induced local strain, quantum trap depression and valence charge polarization at W stepped surfaces

Physica B: Condensed Matter

Volumn 407, Issue 1, 2012, Pages 49-53

  Wang, Yan ^a   Zhang, Xi ^b   Nie, Yanguang ^b   Sun, Chang Q ^b  

^a HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

^b NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

Binding energy; Polarization; Quantum trap; Stepped surface

Indexed keywords

BINDING ENERGY SHIFTS; CHARGE POLARIZATION; CORE-LEVEL ELECTRONS; DENSITY FUNCTIONAL THEORY CALCULATIONS; DFT CALCULATION; ENERGY SHIFT; EXPERIMENTAL MEASUREMENTS; GEOMETRY RELAXATION; HIGH RESOLUTION; LOCAL STRAINS; OUTER LAYER; PHOTOLUMINESCENCE SPECTRUM; POTENTIAL TRAP; QUANTUM TRAP; STEP EDGE; STEPPED SURFACES; STRUCTURE RELAXATION; SURFACE BONDS; SURFACE CORE LEVEL SHIFTS;

ATOMIC SPECTROSCOPY; ATOMS; BINDING ENERGY; DENSITY FUNCTIONAL THEORY; PHOTOLUMINESCENCE; POLARIZATION; SEMICONDUCTOR QUANTUM WELLS;

SURFACE STRUCTURE;

EID: 81255185034     PISSN: 09214526     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.physb.2011.09.117     Document Type: Article

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