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Ashok, S.

Ashok, S.

Professor

Office phone: (814) 863-4588
Office address: 407C Earth and Engineering Sciences Building
E-mail: sashok@psu.edu

Educational Background

  • Ph.D., Electrical Engineering, Rensselaer Polytechnic Institute, Troy, NY, 1978
  • M.Eng., Electrical Engineering, Indian Institute of Technology, Kanpur, 1970
  • B.Eng. (Honors), Electrical Engineering, P.S.G. College of Technology, Coimbatore, India (University of Madras), 1968

Years of Service with Penn State (33 years)

  • 1987 – Present Professor of Engineering Science
  • 1983 – 1987 Associate Professor of Engineering Science
  • 1978 – 1983 Assistant Professor of Engineering Science

Other Related Experience — Teaching, Industrial, Etc.

  • June 1996 – Present Visiting Professor Chair, Materials Research Center, Indian Institute of Science, Bangalore, India
  • Jan 2002 – June 2002 Visiting Professor, CERI, CNRS, Orleans, France
  • June 1999 – May 1999 Visiting Professor, EE Department, Shibaura Institute of Technology, Tokyo, Japan

Recent Principal Publications

  • S. Ashok and H Hassaf et al (2007) “Nanocavity generation in SiO2 by Kr and Xe ion implantation,” Electrochem. Solid State Lett., 10, pp. G72–75.
  • S. Ashok and J Chevallier et al, Eds. (2007) Semiconductor Defect Engineering - Materials, Synthetic Structures and Devices II, Materials Research Society, Pittsburgh.
  • S. Ashok and A A. Vengurlekar et al (2006) “Influence of Hydrogen Plasma Surface Treatment of Si substrate on Nickel Silicide Formation,” J. Vac. Sci. Technol., B24, pp. 1449–1454.
  • S. Ashok and D.Z. Chi et al (2005) “Current-Voltage Characteristics of Schottky Barriers with Barrier Heights Larger than the Semiconductor Band Gap: The case of NiGe/n-(001)Ge Contact,” J. Appl. Phys., 97, pp. 113706–1/6.
  • S. Ashok (2005) “Hydrogen and Helium Interactions in Si: Phenomena Obscure and Not-so-obscure,” Appl. Surf. Sci., 244, pp. 2–7.
  • S. Ashok (2004) “Hydrogen Plasma Enhancement of Boron Ion Implant Activation in Si,” Appl. Phys. Lett., 85, pp. 4052–4054.
  • S. Rangan et al (2003) “Multi-Layered Nanocavities in Silicon with Cascade Helium Implantation and Anneal,” Nucl. Instrum. Methods in Physics B, 206, pp. 417–421.

Consulting, Patents, and Scientific and Professional Society Memberships

  • Materials Research Society, Member (1985 – Present)
  • American Vacuum Society, Member (1980 – Present)
  • Electrochemical Society, Member (1978 – Present)
  • IEEE, Senior Member (1970 – Present)

Recent Institutional and Professional Service

  • Meeting co-chair, Fall 2008 Meeting, Boston, Dec. 1–5, 2008, Materials Research Society (Feb 2007 – Present)
  • Principal organizer of triannual symposium on Semiconductor Defect Engineering, Materials Research Society (Jan 1991 – Present)
  • Member, Screening Committee for Honors student applicants, Schreyers Honors College, Penn State University (2007 – 2008)
  • Member, COE Dept. Head 5-year Evaluation Committee, Penn State University (2006 – 2006)

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