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North Carolina Agricultural and Technical State University

 

 

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Publications

 

Journal Publications

 

 

Ngoc Nguyen, Briana McCall, Robert Alston, Ward Collis, and Shanthi Iyer , “The Effect of Annealing Temperature on the Stability of Gallium Tin Zinc Oxide Thin Film Transistors” Sem. Sci. Tech. 30, 105004 (2015)

 

A. Bowen, J. Li, J. Lewis, K. Sivaramakrishnan, T. Alford & S. Iyer, “The Properties of  RF Sputtered Transparent and Conducting ZnO:F Films on Polyethylene Naphthalate Substrate”, Thin Solid Films.519 (2011) 1809–1816.

 

L.Wu, S. Iyer, K. Gibson, and J. Li K. Matney J. Reppert , A. M. Rao J. Lewis “A study of low-temperature growth of III-V alloys for transparent layers”, J. Vac. Sci. Tech. B, 27, 6, 2375 (2009).

 

K. Sivaramakrishnan, A. T. Ngo, S. Iyer, and T. L. Alford, Effect of Thermal Processing on Ag Thin Films of Varying Thickness Deposited on Zinc Oxide and Indium Tin Oxide”, Journal of Applied Physics, 105, 063525 (2009).

 

S. Bhagat, H. Han, Y. Zoo, J. Lewis, S. Grego, K. Lee, S. Iyer, and T.L. Alford, “Effects of Deposition Parameters on the Electrical and Mechanical Properties of Indium Tin Oxide on Polyethylene Naphthalate Substrates Deposited by Sputtering”, Thin Solid Films, 516,12, 4064-4069 (2008).

 

H. Han, Y. Zoo, S. Bhagat, J.S. Lewis, and T.L. Alford, “Influence of defects and processing parameters on the properties of indium tin oxide on polyethylene naphthalate substrate”, Journal of Applied Physics, 102, 063710 (2007).

 

 

Refereed Proceedings

 

Tanina Bradley, Shanthi Iyer, Robert Alston, Ward Collis, Jay S. Lewis, Garry Cunningham, and Eric Forsythe , “The Effects of Deposition Conditions and Annealing Temperature on the Performance of Gallium Tin Zinc Oxide Thin Film Transistors”, Proc. SPIE 8626, Oxide Based Materials and Devices IV, 862615 (March 18, 2013) .

S. Bhagat, Y. Zoo, H. Han, J. Lewis, S. Grego, K. Lee, S. Iyer, and T. L. Alford “Mechanical Properties of Indium Tin Oxide on Polyethylene Napthalate Substrates”, Materials Research Society Proceedings, 1012 Y12-21 (2007).

 

 

Non‑refereed Publications and Presentations

 

Ngoc Nguyen and Shanthi Iyer, “High Performance Gallium Tin Zinc Oxide Thin Film Ttransistors by RF Magnetron for Display Applications”, poster presentation, 4th Annual Graduate Poster Competition COE 2015, NC,USA(April 24th , 2015)

 

Ngoc Nguyen and Shanthi Iyer, “Transparent amorphous gallium tin zinc oxide thin film transistors by RF magnetron sputtering for display applications”, MRS/ASM/AVS joint symposium poster presentation, Raleigh, NC.(Nov 7th,2014)  

Robert Alston and Shanthi Iyer,” The Study of Low Temperature Nanoscale Transistors Fabricated on Silicon and PEN Substrates” NCA&TSU College of Engineering, Poster Presentation, April 25, 2012.

 

Tewodros Tessema, Robert Alston, “The Study of RF Sputtered Gallium Tin Zinc Oxide Based Thin Film Transistors”, Materials Research Society Conference North Carolina Section, November 16th 2012, Raleigh NC, Selected  for oral presentation.

 

Michael Chestnut, Ngoc Nguyen, Adam Bowen, Tewodross Tessema and Shanthi Iyer, “Energy Level in the Suplerlattice using Optel_Zinc Blende”, MRS/ASM/AVS North Carolina Symposium, Raleigh, NC, Nov. 16th 2012.

 

Tanina Bradley, Robert Alston, Jay Lewis, Garry Cunningham, Shanthi Iyer,"The Effect of Deposition Conditions and Annealing Temperature on Gallium Tin Zinc Oxide Thin Film Transistors",  Poster presentation, MRS Fall meeting, Boston, Nov. 28 2011.

 

Tanina Bradley, Robert Alston, Jay Lewis, Garry Cunningham, Shanthi Iyer,"The Effect of Deposition Conditions and Annealing Temperature on Gallium Tin Zinc Oxide Thin Film Transistors",  presented at 1st Annual COE Graduate Research Poster Competition on 26th April 2012 at North Carolina A & T State University, Greensboro, NC, 27411.

 

Adam Bowen, “The Properties of RF Sputtered ZnO:F Thin Films Deposited on Polyethylene Naphthalate and Glass Substrates”, FlexTech Alliance 2011 Flexible Electronics and Displays Conference and Exhibition, February, 2011

 

Robert Alston, “Device Characteristics of Thin Film Transistors with Gallium Tin Zinc Oxide Channel Layers”, FlexTech Alliance 2011 Flexible Electronics and Displays Conference and Exhibition, February, 2011

 

Tanina Bradley, Robert Alston., J. Lewis, Garry Cunningham and Shanthi Iyer, “Device Characteristics of Thin Film Transistors with Gallium Tin Zinc Oxide Channel Layers”, Selected for student oral presentation at MRS/AVS/ASM North Carolina symposium, November 19th 2010, Raleigh, NC.

R.Alston, T. Bradley, Jon Poe, S. Iyer, G. Cunningham, J. Lewis, and E.W. Forsythe, “OLED Degradation Testing and ZnO TFT”, BCE Ann Rev Meeting, Durham, NC April 7, 2009.

 

S. Potoczny, K.Lewis, C. Prince, C. Johnson, “Backbone of the Mobile World is Getting Thin and Flexible: Automated Bend Testing System for Flexible Displays”,  BCE Ann Rev Meeting, Durham, April 7, 2009.

 

A. Bowen, S. Potoczny, J. Li, K. Sivaramakrishnan, T. Alford, J. Lewis, E. W. Forsythe & S. Iyer,“Deposition of Transparent Conducting ZnO:F Films on PEN Substrates by RF Sputtering”, BCE Ann Rev Meeting,Durham,  April 7, 2009.

 

A. Bowen, S. Potoczny, J. Li, K. Sivaramakrishnan, T. Alford, J. Lewis, E. W. Forsythe & S. Iyer, “Deposition of Transparent Conducting ZnO:F Films on PEN Substrates by RF Sputtering”,2009 Flexible Electronics Display Conference, Feb.3-7, 2009.

 

S. Potoczny, A. Bowen, J. Li, K. Sivaramakrishnan, T. Alford, J. Lewis, E. W. Forsythe & S. Iyer,  “Properties of RF Sputtered Transparent Conducting ZnO:F Films”, MRS Fall Meeting, Boston, Dec. 2, 2008.

 

A. Bowen, S. Potoczny, J. Li, K. Sivaramakrishnan, T. Alford, J. Lewis, E. W. Forsythe & S. Iyer,“The Electrical, Optical, Structural and Mechanical Properties of ZnO:F Thin Films Deposited onto Polyethylene Napthalate and Glass”, Selected for oral presentation at ASM/MRS NC section meeting, NCSU, Raleigh  Nov.8, 2008.

 

H. Han, S. Iyer, J. S. Lewis, and T. L. Alford(P), “Effect of Inactivated Dopants Clusters and Processing Parameters on Electrical and Optical Properties of Indium Tin Oxide on Plastic Substrates”, Materials Research Society Spring Meeting 2008.

 

S. Potoczny, A. Bowen, J. Li, S. Iyer, J. Lewis, E. W. Forsythe, & T. Alford, “Properties of RF Sputtered Transparent Conducting ZnO:F Films”,BCE Review Annual Meeting, March 19,2008.

 

T. Bradley, A. Bowen, S. Iyer, and J. Lewis,”The Influence of Processing Parameters on the Properties of Self Assembled Monolayers”BCE Review Annual Meeting, March 19,2008.

 

T. Bradley, A. Bowen, S. Iyer & J. Lewis, “The Influence of Processing Parameters on the Properties of Self Assembled Monolayers” MRS NC Section Meeting, Raleigh, NC, Nov.16, 2007.

 

S. Bhagat, K. Lee, S. Iyer, J. Lewis, S. Grego, and T. L. Alford, ‘Mechanical Properties of Indium Tin Oxide on Polyethylene Napthalate Substrates,’ Materials Research Society Spring Meeting 2007.

 

S.Potoczny, K.Lewis, C.Prince, and C.Johnson,”Mobile World is Getting Thin Flexible:Automated Bend Testing System”, BCE Annual Rev. 07, ARO, RTP, March 21, 2007.

 

H. Han, Yeongseok Zoo, K. Lee, S. Iyer, J. S Lewis, S. Grego and T.L. Alford, “Influence of Processing Parameters and Defects on the Electrical and Optical Properties of ITO Films on PEN Substrates” Flexible Displays and Microelectronics Conference, Phoenix, AZ Feb6-8,2007.

 

Shekhar Bhagat, Kenneth Lee, S. Iyer, Jay Lewis, Sonia Grego, and T. L. Alford “Effect of Deposition Parameters on the Mechanical Integrity of ITO Films on PEN” Flexible Displays and Microelectronics Conference, Phoenix, AZ Feb6-8,2007.

 

 

Ph.D. Thesis Supervised

 

“A Study of GSZO TFTs for Fabrication on Plastic Substrates”, Robert Alston, 06/14

 

“The Effect of Deposition Parameters on the Performance of RF Sputtered GSZO Thin Film Transistors “, Tanina Bradley, 04/12

 

Master's Thesis Supervised

 

“High Performance Gallium Tin Zinc Oxide Thin Film Transistors by RF Magnetron Sputtering”, Ngoc Huu Nguyen, 04/15

“Transfer Length Measurements for Varied Metallization Options and Transistor processing for Gallium Tin Zinc Oxide (GSZO) TFTs”, Shereen Farhana, 06/2011.

 

“The Structural and Electrical Properties of RF sputtered ZnO:F thin films deposited on polyethylene naphthalate and glass”, Adam Bowen, 04/09.

 

“The Optical and Mechanical Properties of ZnO:F Thin Films Deposited Onto Polyethylene Napthalate and Glass”, Stanley Potoczny, 12/08