Allen Research Group

Selected Publications

1. E. A. Olson, M. Yu. Efremov, M. Zhang, Z. Zhang, and L. H. Allen
   "Size-dependent melting of Bi nanoparticles"
   Journal of Applied Physics v97, p034304 (2005).
   PDF version of the article (1.1 MB)           Official version of the article
   [1]
2. Z. S. Zhang, O.M. Wilson, M. Y. Efremov, E. A. Olson, M. Zhang, P. V. Braun, W. Senaratne, C. Ober, and L. H. Allen
   "Heat capacity measurements of two-dimensional self-assembled hexadecanethiol monolayers on polycrystalline gold."
   Applied Physics Letters. v84, p5198 (2004).
   PDF version of the article (139 KB)           Official version of the article
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3. M. Y. Efremov, E. A. Olson, M. Zhang, Z. Zhang and L. H. Allen.
   "Probing glass transition of ultrathin polymer films at a time scale of seconds using fast differential scanning calorimetry"
   Macromolecules. v37, n12, p4607, 2004.
   PDF version of the article (241 KB)           Official version of article
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4. M. Yu. Efremov, E. A. Olson, M. Zhang, S. L. Lai, F. Schiettekatte, Z. S. Zhang and L. H. Allen.
   "Thin-film differential scanning nanocalorimetry: heat capacity analysis".
   Thermochimica Acta. v412, n1-2, p13 (2004).
   PDF version of the article (370 KB)           Official version of the article
5. M. Yu. Efremov, E. A. Olson, M. Zhang, F. Schiettekatte, Z. Zhang, and L. H. Allen.
   "Ultrasensitive, fast, thin-film differential scanning calorimeter."
   Review of Scientific Instruments. v75, n1, p179, January 2004.
   PDF version of article (262 KB)            Official version of article
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6. E. A. Olson. "Nanocalorimetry of Bismuth Nanoparticles."
   Ph.D. Dissertation. University of Illinois at Urbana-Champaign. 2003.
   PDF version of the document (5.6 MB)
   
7. M. Zhang. "Thermal Properties of Indium Nanoparticles and Gold Silicide Formation by Scanning Nanocalorimetry."
   Ph.D. Dissertation. University of Illinois at Urbana-Champaign. 2003.
8. M. Yu. Efremov, E. A. Olson, M. Zhang, Z. Zhang, and L. H. Allen.
   "Glass Transition in Ultrathin Polymer Films: Calorimetric Study."
   Physical Review Letters. v91, p085703, 22 August 2003.
   PDF version of the article (165 KB)           Official version of the article
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9. M. Yu. Efremov, E. A. Olson, M. Zhang, and L. H. Allen.
   "Glass Transition of Thin Films of Poly(2-vinyl pyridine) and Poly(methyl methacrylate): Nanocalorimetry Measurements."
   Thermochimica Acta. v403, n1, p37, 26 June 2003.
   PDF version of the article (88 KB)           Official version of the article
10. E. A. Olson, M. Yu. Efremov, M. Zhang, Z. S. Zhang, and L. H. Allen.
    "The Design and Operation of a MEMS Differential Scanning Nanocalorimeter for High-speed Heat Capacity Measurements of Ultrathin Films"
    Journal of Microelectromechanical Systems. v12, n3, p355, 1 June 2003.
    PDF version of the article (600 KB)           Official version of the article
11. M. Zhang, M. Yu. Efremov, E. A. Olson, Z. S. Zhang, and L. H. Allen.
    "Real-time heat capacity measurement during thin-film deposition by scanning nanocalorimetry."
    Applied Physics Letters. v81, n20, p3801, 11 November 2002.
    PDF version of the article (117 KB)           Official version of the article
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12. M. Yu. Efremov, J. T. Warren, E. A. Olson, M. Zhang, A. T. Kwan, and L. H. Allen
    "Thin-Film Differential Scanning Calorimetry: A New Probe for Assignment of the Glass Transition of Ultrathin Polymer Films."
    Macromolecules.. v35, n5, p1481, 26 February 2002.
    PDF version of article (73 KB)           Official version of article
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13. A.T. Kwan, M. Yu. Efremov, E. A. Olson, F. Schiettekatte, M. Zhang, P. H. Geil, and L. H. Allen.
    "Nanoscale Calorimetry of Isolated Polyethylene Single Crystals."
    Journal of Polymer Science: Part B v39, n11, p1237, 1 June 2001.
    PDF version of article (345 KB)          Official version of article
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14. A. T. Kwan. "Nano-scale Calorimetry of Isolated Polyethylene Single Crystals."
    M.S. Thesis. University of Illinois at Urbana-Champaign (2003).
    PDF version of the document (1.1 MB)
15. M. Yu. Efremov, F. Schiettekatte, M. Zhang, E. A. Olson, A. T. Kwan, R. S. Berry, and L. H. Allen.
    "Discrete Periodic Melting Point Observations for Nanostructure Ensembles."
    Physical Review Letters v85, n17, p3560, 23 October 2000.
    PDF version of article (225 KB)           Official version of article
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16. E. A. Olson, M. Yu. Efremov, A. T. Kwan, S. Lai, V. Petrova, F. Schiettekatte, J. T. Warren, M. Zhang, and L. H. Allen.
    "Scanning calorimeter for nanoliter-scale liquid samples."
    Applied Physics Letters. v77, n17, p2671, 23 October 2000.
    PDF version of article (163 KB)           Official version of article
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17. M. Zhang, M. Yu. Efremov, F. Schiettekatte, E. A. Olson, A. T. Kwan, S. L. Lai, T. Wisleder, J. E. Greene, and L. H. Allen.
    "Size-dependent melting point depression of nanostructures: Nanocalorimetric measurements."
    Physical Review B v62, n15, p10548. 15 October 2000.
    PDF version of article (590 KB)           Official version of article
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18. G. Ramanath, J.E. Greene, J. R. A. Carlsson, and L. H. Allen; V. C. Homback and D. J. Allman.
    "W deposition and titanium fluoride formation during WF₆ reduction by Ti: reduction path and mechanisms."
    Journal of Applied Physics v85, n3, p1961. 1 February 1999.
    PDF version of article (981 KB)           Official version of article
    [1]
19. S. Lai and L. H. Allen.
    "MEMS-based scanning calorimeter for thermodynamic properties of nanostructures."
    Microscale Thermophysical Engineering v2, n1, p11. 01 February 1998.
    PDF version of article (200 KB)           Official version of article
20. S. L. Lai, J. R. A. Carlsson, and L. H. Allen.
    "Melting point depression of Al clusters generated during the early stages of film growth: Nanocalorimetry measurements."
    Applied Physics Letters v72, n9, p1098. 2 March 1998.
    PDF version of article (236 KB)           Official version of article
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21. S. S. Sengupta, S. M. Park, D. A. Payne, and L. H. Allen.
    "Origins and evolution of stress development in sol-gel derived thin layers and multideposited coatings of lead titanate."
    Journal of Applied Physics v83, n4, p2291. 15 February 1998.
    PDF version of article (101 KB)           Official version of article
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22. Z. Wang, G. Ramanath, L. H. Allen, and A. Rockett; J. P. Doyle and B. G. Svensson.
    "Kinetics of thin-film reactions of Cu/a-Ge bilayers."
    Journal of Applied Physics v82, n7, p3281. 1 October 1997.
    PDF version of article (654 KB)           Official version of article
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23. S. L. Lai, G. Ramanath, and L. H. Allen; P. Infante,
    "Heat Capacity measurements of Sn nanostructures using a thin-film differential scanning calorimeter with 0.2 nJ sensitivity"
    Applied Physics Letters. v70, n1, p43. 6 January 1997.
    PDF version of article (85 KB)            Official version of article
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24. G. Ramanath, J. R. A. Carlsson, J. E. Greene, L. H. Allen, V. C. Hornback, and D. J. Allman.
    "Gas-phase transport of WF₆ through annular nanopipes in TiN during chemical vapor deposition of W on TiN/Ti/SiO2 structures for integrated circuit fabrication. "
    Applied Physics Letters v69, n21, p3179. 18 November 1996.
    PDF version of article (230 KB)          Official version of article
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25. S. L. Lai, J. Y. Guo, V. Petrova, G. Ramanath, and L. H. Allen.
    "Size-Dependent Melting Properties of Small Tin Particles: Nanocalorimetric Measurements."
    Physical Review Letters v77, n1, p99. 1 July 1996.
    PDF version of article (127 KB)          Official version of article
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26. G. Ramanath, H. Z. Xiao, S. L. Lai, and L. H. Allen; T. L. Alford.
    "Au-mediated low-temperature solid phase epitaxial growth of a Si_xGe_1-x alloy on Si(001)."
    Journal of Applied Physics v79, n6, p3094. 15 March 1996.
    PDF version of article (595 KB)          Official version of article
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27. Shi-Qing Wang; Leslie H. Allen.
    "Thermal stability of α-titanium in contact with titanium nitride. "
    Journal of Applied Physics. v79, n5, p2446. 1 March 1996.
    PDF version of article (453 KB)          Official version of article
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28. S. L. Lai, G. Ramanath, and L. H. Allen; P. Infante, Z. Ma,
    "High-speed (10^{4 o}C/s) scanning microcalorimetry with monolayer sensitivity (J/m²)"
    Applied Physics Letters. v67, n9, p1229. 28 August 1995.
    PDF version of article (81 KB)             Official version of article
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29. G. Ramanath, H. Z. Xiao, L. C. Yang, A. Rockett, and L. H. Allen.
    "Evolution of microstructure in nanocrystalline Mo-Cu thin films during thermal annealing."
    Journal of Applied Physics. v78, n4, p2435. 15 August 1995.
    PDF version of article (917 KB)          Official version of article
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30. D. B. Bergstrom, I. Petrov, L. H. Allen, and J. E. Greene.
    "Reaction paths and kinetics of aluminide formation in Al/epitaxial-W(001) model diffusion barrier systems. "
    Journal of Applied Physics. v78, n1, p194. 1 July 1995.
    PDF version of article (1378 KB)         Official version of article
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31. Z. Ma and L. H. Allen; D. D. J. Allman.
    "Microstructural aspects and mechanism of the C49-to-C54 polymorphic transformation in titanium disilicide. "
    Journal of Applied Physics. v77, n9, p4384. 1 May 1995.
    PDF version of article (775 KB)          Official version of article
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32. H. Z. Xiao, N.-E. Lee, R. C. Powell, Z. Ma, L. J. Chou, L. H. Allen, J. E. Greene, and A. Rockett.
    "Defect ordering in epitaxial a-GaN(0001)."
    Journal of Applied Physics. v76, n12, p8195. 15 December 1994.
    PDF version of article (474 KB)          Official version of article
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33. Z. Ma, H. Z. Xiao, and L. H. Allen; B. J. Park.
    "Manipulation of the Ti/Si reaction paths be introducing an amorphous Ge interlayer."
    Applied Physics Letters. v65, n5, p561. 1 August 1994.
    PDF version of article (388 KB)          Official version of article
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34. Z. Ma and L. H. Allen.
    "Kinetic mechanisms of the C49-to-C54 polymorphic transformation in titanium disilicide thin films: A microstructure-scaled nucleation-mode transition."
    Physical Review B. v49, n19, p13501. 15 May 1994.
    PDF version of article (1068 KB)         Official version of article
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35. M. E. Lin, Z. Ma, F. Y. Huang, Z. F. Fan, L. H. Allen, and H. Morkoç.
    "Low resistance ohmic contacts on wide band-gap GaN."
    Applied Physics Letters. v64, n8, p1003. 21 February 1994.
    PDF version of article (345 KB)          Official version of article
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36. M. E. Lin, Z. F. Fan, Z. Ma, L. H. Allen, and H. Morkoç.
    "Reactive ion etching of GaN using BCL₃."
    Applied Physics Letters. v64, n7, p887. 14 February 1994.
    PDF version of article (260 KB)          Official version of article
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37. Z. Ma, G. L. Zhou, H. Morkoç, and L. H. Allen.
    "Solid-state reaction-mediated low-temperature bonding of GaAs and InP wafers to Si substrates."
    Applied Physics Letters. v64, n6, p772. 7 February 1994.
    PDF version of article (450 KB)          Official version of article
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38. L. H. Allen, G. Ramanath, S. L. Lai, Z. Ma, S. Lee, D. D. J. Allman, and K. P. Fuchs.
    "1 000 000 °C/s thin film electrical heater: In situ resistivity measurements of Al and Ti/Si thin films during ultra rapid thermal annealing."
    Applied Physics Letters. v64, n4, p417. 24 January 1994.
    PDF version of article (369 KB)           Official version of article
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39. Z. Ma and L. H. Allen.
    "Low temperature structure and phase transitions at the Au/Si (100) interface."
    Physical Review B v48, n20, p15484. 15 November 1993.
    PDF version of article (446 KB)           Official version of article
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40. G. L. Zhou, Z. Ma, M. E. Lin, J. Reed, L. H. Allen, and H. Morkoç.
    "Si/SiGe modulation-doped structures with thin buffer layers: Effect of substrate orientation."
    Applied Physics Letters. v63, n15, p2094. 11 October 1993.
    PDF version of article (498 KB)           Official version of article
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41. Z. Ma, Y. Xu, and L. H. Allen; S. Lee.
    "Nucleation and growth in the initial stage of metastable titanium disilicide formation."
    Journal of Applied Physics. v74, n4, p2954. 15 August 1993.
    PDF version of article (448 KB)           Official version of article
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42. Z. Ma, Y. Xu, and L. H. Allen.
    "Low-temperature solid-phase heteroepitaxial growth of Ge-rich Si_xGe_1-x alloys on Si (100) by thermal annealing a-Ge/Au bilayers. "
    Applied Physics Letters. v61, n2, p225. 13 July 1992.
    PDF version of article (465 KB)           Official version of article
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43. L. H. Allen and M. Y. Zhang; J. W. Mayer.
    "Solutions to current crowding in circular vias for contace resistance measurements."
    Journal of Applied Physics. v70, n1, p253. 1 July 1991.
    PDF version of article (611 KB)           Official version of article
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44. L. H. Allen, J. R. Phillips, D. Theodore, C. B. Carter, R. Soave, and J. W. Mayer; G. Ottaviani.
    "Two-dimensional Si crystal growth during thermal annealing of Au/polycrystalline-Si bilayers."
    Physical Review B v41, n12, p8203. 15 April 1990.
    PDF version of article (876 KB)           Official version of article
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45. L. H. Allen and J. W. Mayer; K. N. Tu; L. C. Feldman.
    "Kinetic study of Si recrystallization in the reaction between Au and polycrystalline-Si films."
    Physical Review B. v41, n12, p8213. 15 April 1990.
    PDF version of article (688 KB)           Official version of article
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46. B. Blanpain and L. H. Allen; J.-M. Legresy; J. W. Mayer.
    "Solid-state amorphization in Al-Pt multilayers by low-temperature annealing."
    Physical Review B. v39, n18, p13067. 15 June 1989.
    PDF version of article (377 KB)           Official version of article
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[1] Copyright 2000 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
[2] Copyright 2000 American Physical Society.
[3] Copyright 2001 John Wiley & Sons, Inc.
[4] Copyright American Chemical Society.