Formation of surface nano-structures by plasma expansion induced by highly charged ions

Journal Article · Sat Dec 15 00:00:00 EST 2012 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4772777· OSTI ID:22072672

Moslem, W M ^[1]; El-Said, A S ^[2]

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1. Department of Physics, Faculty of Science, Port Said University, Port Said (Egypt)
2. Physics Department, King Fahd University of Petroleum and Minerals, Dhahran 31261 (Saudi Arabia)

Slow highly charged ions (HCIs) create surface nano-structures (nano-hillocks) on the quartz surface. The formation of hillocks was only possible by surpassing a potential energy threshold. By using the plasma expansion approach with suitable hydrodynamic equations, the creation mechanism of the nano-hillocks induced by HCIs is explained. Numerical analysis reveal that within the nanoscale created plasma region, the increase of the temperature causes an increase of the self-similar solution validity domain, and consequently the surface nano-hillocks become taller. Furthermore, the presence of the negative (positive) nano-dust particles would lead to increase (decrease) the nano-hillocks height.

• OSTI ID: 22072672
• Journal Information: Physics of Plasmas, Vol. 19, Issue 12; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
HYDRODYNAMIC MODEL
MATHEMATICAL SOLUTIONS
MULTICHARGED IONS
NANOSTRUCTURES
NUMERICAL ANALYSIS
PLASMA EXPANSION
POTENTIAL ENERGY
QUARTZ
SURFACES