Research Output 1900 2018

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Conference contribution
2017

Ag-chalcogenide glass flexible radiation sensor: Impact of atomic ratio of Se on the TID influenced lateral diffusion of Ag

Mahmud, A., Gonzalez-Velo, Y., Taggart, J., Bamaby, H. J., Kozicki, M. N., Holbert, K. E., Mitkova, M., Alford, T. L., Goryll, M. & Chen, W. Oct 31 2017 2016 16th European Conference on Radiation and Its Effects on Components and Systems, RADECS 2016. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-September, p. 1-3 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Germanium compounds
Selenium compounds
germanium compounds
selenium compounds
Radiation shielding
2015

As-doped Si's complex permittivity and its effects on heating curve at 2.45 GHz frequency

Varadan, S., Pan, G., Zhao, Z. & Alford, T. Jun 29 2015 2015 Joint Conference of the IEEE International Frequency Control Symposium and the European Frequency and Time Forum, FCS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 111-116 6 p. 7138802

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicon wafers
Permittivity
Doping (additives)
Heating
Silicon

Determination of complex permittivity for low- and high-loss materials at microwave frequencies

Varadan, S. K., Zhang, L., Pan, G. & Alford, T. May 7 2015 2014 IEEE 23rd Conference on Electrical Performance of Electronic Packaging and Systems, EPEPS 2014. Institute of Electrical and Electronics Engineers Inc., p. 219-222 4 p. 7103638

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microwave frequencies
Polychlorinated biphenyls
Permittivity
Copper
Bessel functions
3 Citations

Optimization of flexible Ag-chalcogenide glass sensors for radiation detection

Mahmud, A., Gonzalez-Velo, Y., Saremi, M., Barnaby, H. J., Kozicki, M. N., Holbert, K. E., Mitkova, M., Alford, T. L., Goryll, M., Mahalanabis, D., Yu, W., Chen, W. & Taggart, J. Dec 24 2015 2015 15th European Conference on Radiation and Its Effects on Components and Systems, RADECS 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-December, 7365644

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radiation
Glass
optimization
glass
sensors

The extent of dopant activation after microwave and rapid thermal anneals using similar heating profiles

Gunawansa, T., Zhao, Z., Theodore, N. D., Lanz, A. R. & Alford, T. L. 2015 TMS Annual Meeting. January ed. Minerals, Metals and Materials Society, Vol. 2015-January, p. 141-148 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chemical activation
Microwaves
Doping (additives)
activation
Heating
2 Citations

The impact of two-way formative feedback and web-enabled resources on student resource use and performance in materials courses

Krause, S. J., Baker, D. R., Carberry, A. R., Alford, T. L., Ankeny, C. J., Brooks, B. J., Koretsky, M. & Gibbons, B. J. 2015 122nd ASEE Annual Conference and Exposition: Making Value for Society. American Society for Engineering Education

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Students
Feedback
Textbooks
Teaching
Warehouses
2014
2 Citations

Characterizing and addressing student learning issues and misconceptions (SLIMs) in materials science with muddiest point reflections and fast formative feedback

Krause, S. J., Baker, D. R., Carberry, A. R., Alford, T. L., Ankeny, J., Koretsky, M., Brooks, B. J., Waters, C., Gibbons, B. J., Maass, S. & Chan, C. K. 2014 ASEE Annual Conference and Exposition, Conference Proceedings. American Society for Engineering Education

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Materials science
Students
Feedback
Monitoring
Warehouses
1 Citations

JTF web-enabled faculty and student tools for more effective teaching and learning through two-way, Frequent Formative Feedback

Krause, S. J., Baker, D. R., Carberry, A. R., Alford, T. L., Ankeny, C. J., Koretsky, M., Brooks, B. J., Gilbuena, D. M., Waters, C., Gibbons, B. J., Stuart, W. J., Maass, S. & Chan, C. K. 2014 ASEE Annual Conference and Exposition, Conference Proceedings. American Society for Engineering Education

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Teaching
Students
Feedback
Textbooks
Warehouses
2013

Effect of silver thickness and annealing on optical and electrical properties of Nb2O5/Ag/Nb2O5 multilayers as transparent composite electrode on flexible substrate

Dhar, A. & Alford, T. L. 2013 Materials Research Society Symposium Proceedings. Vol. 1552, p. 101-106 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silver
figure of merit
Multilayers
Electric properties
Optical properties
1 Citations

High mobility IGZO/ITO double-layered transparent composite electrode: A thermal stability study

Dhar, A. & Alford, T. L. 2013 Materials Research Society Symposium Proceedings. Materials Research Society, Vol. 1577, p. 54-59 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tin oxides
indium oxides
Indium
tin oxides
Thermodynamic stability
1 Citations

Optimization of IGZO/Cu/IGZO multilayers as transparent composite electrode on flexible substrate by room-temperature sputtering and post-deposition anneals

Dhar, A. & Alford, T. L. 2013 Materials Research Society Symposium Proceedings. Materials Research Society, Vol. 1577, p. 48-53 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sputtering
Multilayers
sputtering
Electrodes
Electric properties

Transparent composite electrodes for future flexible photovoltaic applications

Alford, T. L. 2013 TMS Annual Meeting. p. 183-190 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oxides
Organic light emitting diodes (OLED)
Optoelectronic devices
Electrodes
composite materials
2012

Influence of thermal stress and kinetic bias stress on the electrical performance of mixed oxide thin film transistors

Vemuri, R. N. P. & Alford, T. L. 2012 ECS Transactions. 8 ed. Vol. 50, p. 161-166 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thin film transistors
Thermal stress
Oxide films
Kinetics
Fabrication

Mechanical and electro-mechanical stress effects on performance of flexible IZO TFTs

Alford, T. L., Indluru, A. & Vemuri, R. N. P. 2012 Materials Research Society Symposium Proceedings. Vol. 1443, p. 21-26 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zinc Oxide
Indium
Thin film transistors
Zinc oxide
zinc oxides

Mixed oxide thin film transistors under combinatory optical irradiation and electrical bias

Alford, T. L., Vemuri, R. N. P. & Mathews, W. P. 2012 ECS Transactions. 8 ed. Vol. 50, p. 179-184 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thin film transistors
Oxide films
Irradiation
Vacancies
Lighting

The stability and reliability of mixed oxide-based thin film transistors under gamma irradiation

Alford, T. L., Indluru, A., Vemuri, R. N. P. & Holbert, K. E. 2012 ECS Transactions. 8 ed. Vol. 50, p. 191-196 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thin film transistors
Zinc oxide
Gamma rays
Indium
Irradiation
2011
1 Citations

Gold nanolayers embedded in zinc oxide for large area flexible photovoltaics

Alford, T. L. & Sivaramakrishnan, K. 2011 Materials Research Society Symposium Proceedings. Vol. 1322, p. 13-19 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zinc Oxide
Zinc oxide
Gold
zinc oxides
gold
1 Citations

ZnO-based transparent anodes for organic light-emitting devices

Sivaramakrishnan, K., Bakken, N. & Alford, T. L. 2011 Materials Research Society Symposium Proceedings. Vol. 1359, p. 43-48 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Anodes
anodes
Electrodes
electrodes
ITO (semiconductors)
2010
1 Citations

Aluminum thermo-compression bonding characterization

Cakmak, E., Dragoi, V., Pabo, E., Matthias, T. & Alford, T. 2010 Materials Research Society Symposium Proceedings. Vol. 1222, p. 167-172 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aluminum
aluminum
wafers
Noble Gases
Wafer bonding

Effect of thermal processing on silver contacts for zinc oxide and indium tin oxide

Sivaramakrishnan, K., Iyer, S., Theodore, N. D. & Alford, T. L. 2010 Advanced Metallization Conference (AMC). p. 281-290 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zinc Oxide
Zinc oxide
Tin oxides
Silver
Indium

Enhanced performance and thermal stability of a-Si: H TFTs

Indluru, A. & Alford, T. L. 2010 ECS Transactions. 5 ed. Vol. 33, p. 57-64 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thin film transistors
Thermodynamic stability
Temperature
Electron mobility
Bias voltage

Improved thermal stability of indium zinc oxide TFTs by low temperature post annealing

Indluru, A. & Alford, T. L. 2010 ECS Transactions. 5 ed. Vol. 33, p. 337-344 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thin film transistors
Zinc oxide
Indium
Oxide films
Thermodynamic stability

Low temperature dopant activation using variable frequency microwave annealing

Alford, T. L., Sivaramakrishnan, K., Indium, A., Ahmad, I., Hubbard, R. & Theodore, N. D. 2010 Materials Research Society Symposium Proceedings. Vol. 1245, p. 331-336 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rapid thermal annealing
Microwave frequencies
microwave frequencies
Silicon
Chemical activation

Metallic conduction in ZnO/Cu/ZnO thin films

Sivaramakrishnan, K., Theodore, N. D., Moulder, J. F. & Alford, T. L. 2010 Advanced Metallization Conference (AMC). p. 269-279 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Copper
Thin films
Metals
Wavelength
Fermi surface

The role of sputter pressure in influencing electrical and optical properties of ITO on glass

Elhalawaty, S., Sivaramakrishnan, K., Theodore, N. D. & Alford, T. L. 2010 Materials Research Society Symposium Proceedings. Vol. 1257, p. 265-276 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tin oxides
indium oxides
Indium
tin oxides
Electric properties

The role of sputter pressure in influencing electrical and optical properties of ITO on glass

Elhalawaty, S., Sivaramakrishnan, K., Theodore, N. D. & Alford, T. L. 2010 Materials Research Society Symposium Proceedings. Vol. 1256, p. 101-112 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tin oxides
indium oxides
Indium
tin oxides
Electric properties
2 Citations

Threshold voltage shift variation of a-Si: H TFTs with anneal time

Indluru, A., Venugopal, S. M., Allee, D. R. & Alford, T. L. 2010 Materials Research Society Symposium Proceedings. Vol. 1245, p. 403-408 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thin film transistors
Threshold voltage
threshold voltage
transistors
shift
2009

Residual stress reduction for air plasma sprayed Al-Si abradable coating

Tucker, J. R., Abbott, B., Sivaramakrishnan, K. & Alford, T. L. 2009 TMS Annual Meeting. Vol. 3, p. 249-255 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

residual stress
Residual stresses
Plasmas
coatings
Coatings
3 Citations

Variable frequency microwave induced low temperature dopant activation in ion implanted silicon

Alford, T. L., Ahmad, I. & Hubbard, R. 2009 17th IEEE Conference on Advanced Thermal Processing of Semiconductors, RTP 2009. 5373441

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microwave frequencies
Silicon
Chemical activation
Doping (additives)
Ions
2008

Effect of inactivated dopants clusters and processing parameters on electrical properties of indium tin oxide on plastic substrates

Han, H., Lewis, J. & Alford, T. 2008 Materials Research Society Symposium Proceedings. Vol. 1074, p. 174-179 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tin oxides
indium oxides
Indium
tin oxides
Electric properties

Signal processing for rapid bacterial detection

Nandakumar, V., LaBelle, J. T. & Alford, T. L. 2008 Conference Record - Asilomar Conference on Signals, Systems and Computers. p. 1979-1981 3 p. 5074777

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pathogens
Signal processing
Salmonella
Decision theory
Electrochemical impedance spectroscopy

Tailoring electrical conductivity and mechanism of carrier transport in zinc oxide with embedded Ag layer

Han, H., Theodore, N. D. & Alford, T. 2008 Materials Research Society Symposium Proceedings. Vol. 1074, p. 167-173 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zinc Oxide
Carrier transport
Zinc oxide
zinc oxides
Electric properties
2007
1 Citations

A study of tungsten-titanium barriers in silver metallization

Bhagat, S., Theodore, N. D. & Alford, T. L. 2007 Materials Research Society Symposium Proceedings. Vol. 990, p. 153-158 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tungsten
Metallizing
Titanium
Silver
Diffusion barriers

Enhanced [111] preferred orientation of Ag thin film on amorphous SiO 2 by Cu addition

Zoo, Y., Han, H. & Alford, T. L. 2007 Materials Research Society Symposium Proceedings. Vol. 990, p. 141-146 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Textures
Thin films
Copper
Adhesion
Agglomeration
1 Citations

Influence of metal impurity defects on the electrical and optical properties of ITO films on the PEN substrates

Han, H. & Alford, T. L. 2007 Materials Research Society Symposium Proceedings. Vol. 1012, p. 373-378 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Polyethylene
ITO (semiconductors)
Polyethylenes
polyethylenes
Electric properties
1 Citations

Investigation of biaxial strain in strained silicon on insulator (SSOI) using high-resolution x-ray diffraction

Zoo, Y., Theodore, N. D. & Alford, T. L. 2007 Materials Research Society Symposium Proceedings. Vol. 994, p. 191-196 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Diffraction
X rays
Epitaxial layers
Substrates
Oxides

Mechanical properties of indium tin oxide on polyethylene napthalate substrate

Bhagat, S., Zoo, Y., Han, H., Lewis, J., Grego, S., Lee, K., Iyer, S. & Alford, T. L. 2007 Materials Research Society Symposium Proceedings. Vol. 1012, p. 401-406 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Polyethylene
Tin oxides
indium oxides
Indium
tin oxides
1 Citations

Microwave activation of dopants & solid phase epitaxy in silicon

Thompson, D. C., Decker, J., Alford, T. L., Mayer, J. W. & Theodore, N. D. 2007 Materials Research Society Symposium Proceedings. Vol. 989, p. 145-150 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Arsenic
Silicon
Epitaxial growth
Boron
Microwave heating

Microwave activation of exfoliation in ion-cut silicon layer transfer

Thompson, D. C., Alford, T. L., Mayer, J. W., Hochbauer, T., Lee, J. K., Nastasi, M. & David Theodore, N. 2007 Materials Research Society Symposium Proceedings. Vol. 994, p. 137-142 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicon
Chemical activation
Microwaves
Ions
Pyrometers

Potential of Ag interconnect and contact metallization for various applications via Cu additions

Han, H., Zoo, Y., Mayer, J. W. & Alford, T. L. 2007 Materials Research Society Symposium Proceedings. Vol. 990, p. 191-196 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metallizing
Textures
Tin oxides
Indium
Surface morphology

Texture evolution and stress in silver thin films on different substrates using X-ray diffraction

Zoo, Y. & Alford, T. L. 2007 Materials Research Society Symposium Proceedings. Vol. 990, p. 147-152 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Polyethylene
Silver
Polyethylenes
Textures
X ray diffraction
2004

Morphology of Ti 37Al 63 thin-films deposited by magnetron sputtering

Theodore, N. D., Kim, H. C., Gadre, K. S., Mayer, J. W. & Alford, T. L. 2004 Materials Research Society Symposium Proceedings. Carter, R. J., Hau-Riege, C. S., Kloster, G. M., Lu, T-M. & Schulz, S. E. (eds.). Vol. 812, p. 215-220 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetron sputtering
Thin films
Electronic equipment
Oxidation resistance
Metallizing
1 Citations

Thermal stability and electrical properties of Ag(Al) metallization

Kim, H. C., David Theodore, N., Mayer, J. W. & Alford, T. L. 2004 Materials Research Society Symposium Proceedings. Carter, R. J., Hau-Riege, C. S., Kloster, G. M., Lu, T-M. & Schulz, S. E. (eds.). Vol. 812, p. 209-214 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metallizing
Electric properties
Thermodynamic stability
Thin films
Agglomeration
2003
34 Citations

Identifying student misconceptions in introductory materials engineering classes

Krause, S., Decker, J. C., Niska, J., Alford, T. & Griffin, R. 2003 ASEE Annual Conference Proceedings. p. 3753-3760 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Students
Crystal atomic structure
Band structure
Phase diagrams
Semiconductor materials
2002
3 Citations

Monolithic transformers in a five metal CMOS process

Jaehning, J., Allee, D. R., El-Sharawy, E. B., Alford, T. L., Yazdi, N. & Allstot, D. J. 2002 Proceedings - IEEE International Symposium on Circuits and Systems. Vol. 2

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metals

Nanometer-scale silicide structures formed by focused ion-beam implantation

Alford, T. L., Mitan, M. & Mayer, J. W. 2002 Proceedings of the International Conference on Ion Implantation Technology. Institute of Electrical and Electronics Engineers Inc., Vol. 22-27-September-2002, p. 677-681 5 p. 1258096

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Focused ion beams
Oxides
implantation
ion beams
Silicon
2000

A comparative study of Ti/low-k HSQ (hydrogen silsesquioxane) and Ti/TEOS (tetraethylorthosilicate) structures at elevated temperatures

Zeng, Y., Chen, L. & Alford, T. L. 2000 Materials Research Society Symposium - Proceedings. Oehrlein, G. S., Maex, K., Joo, Y-C., Ogawa, S. & Wetzel, J. T. (eds.). Vol. 612

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydrogen
Temperature
Oxygen
tetraethoxysilane
Titanium

Formation of Al xO yN z barriers for advanced silver metallization

Wang, Y. & Alford, T. L. 2000 Materials Research Society Symposium - Proceedings. Oehrlein, G. S., Maex, K., Joo, Y-C., Ogawa, S. & Wetzel, J. T. (eds.). Vol. 612

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metallizing
Silver
Diffusion barriers
Ammonia
Interdiffusion (solids)

Kinetics model for the self-encapsulation of Ag/Al bilayers

Wang, Y., Alford, T. L. & Mayer, J. W. 2000 Materials Research Society Symposium - Proceedings. Oehrlein, G. S., Maex, K., Joo, Y-C., Ogawa, S. & Wetzel, J. T. (eds.). Vol. 612

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Encapsulation
Diffusion barriers
Atoms
Kinetics
Temperature

The integration of low-k dielectric material hydrogen silsesquioxane (HSQ) with nitride thin films as barriers

Zeng, Y., Chen, L. & Alford, T. L. 2000 Materials Research Society Symposium - Proceedings. Oehrlein, G. S., Maex, K., Joo, Y-C., Ogawa, S. & Wetzel, J. T. (eds.). Vol. 612

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nitrides
Hydrogen
Thin films
Physical vapor deposition
Chemical vapor deposition