Allen Research Group

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Selected Publications

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1.    L. Allen, “Blackfeet Community College Summer Camp for Native American Middle/High School Students”, supported by National Science Foundation (NSF). The camp has been held in Browning, MT, both June 2016 and June 2015. Here are the presentations for the camp:

               Solar USB kit assembly     Wind turbine kit assembly     Introduction to voltmeter     Introduction to Faraday Law     Summer Camp Part List

 

2.    Z. Ye, L. de la Rama, M. Efremov, J-M. Zuo, L. Allen, “Approaching the Size Limit of Organometallic Layers: Synthesis and Characterization of Highly Ordered Silver-Thiolate Lamellae with Ultra-short Chain Lengths”, Dalton Transactions, 2016, 45, 18954-18966.

 

PDF version of the article (4.37 MB)           Official version of the article

 

3.    Z. Ye, Z. Ma, L. Allen, Book Chapter: “Application of In Situ Resistance and Nanocalorimetry Measurements for Nanoelectronic Thin Film Materials”,

Book Title: “Metrology and Diagnostic Techniques for Nanoelectronics”, edited by Z. Ma, D. Seiler, Pan Stanford Publishing, 2016, ISBN 978-981-4745-08-6.

 

4.    Z. Ye, L. de la Rama, L. Hu, M. Efremov, L. Allen, “Nanocalorimetry Study of the Evolution of Melting Characteristics of Single Layer Silver Alkanethiolate Lamella: Fast Heating/Cooling and Electrical Annealing”, Thermochimica Acta, Chip Calorimetry Special Issue, 2015, 603, 69-78.

 

PDF version of the article (2.46 MB)           Official version of the article

 

5.    L. de la Rama, L. Hu, Z. Ye, M. Efremov, L. Allen, “Size Effect and Odd-Even Alternation in the Melting of Single and Stacked AgSCn Layers: Synthesis and Nanocalorimetry Measurements”, Journal of the American Chemical Society, 2013, 135, 14286-14298.

 

PDF version of the article (3.80 MB)           Official version of the article

 

6.    M. Zhang, J. Wen, M. Efremov, E. Olson, S. Zhang, L. Hu, L. de la Rama, R. Kummamuru, K. Kavanag, Z. Ma, L. Allen, “Metastable Phase Formation in the Au-Si System via Ultrafast Nanocalorimetry”, Journal of Applied Physic, 2012, 111, 093516.

 

PDF version of the article  (0.6MB)               Official version of the article

 

7.    L. de la Rama, L. Hu, M. Efremov, E. Olson, P. Nealey, M. Mclean, S. Sligar and L. Allen, “Anomalous transitions of DODAB using fast scanning liquid calorimetry”, Thermochimica Acta Special Issue: Interplay Between Nucleation, Crystallization, and the Glass Transition, 2011, 522 (1-2, 72-76.)

PDF version of the article  (0.6MB)               Official version of the article

8.    L. Hu, L. de la Rama, M. Efremov, Y. Anahory, F. Schiettekatte, L. Allen, “Synthesis and Characterization of Single-layer Silver Decanethiolate Lamellar Crystals”, Journal of the American Chemical Society, 2011, 133 (12), 4367-4376.

PDF version of the article  (4.5MB)               Official version of the article

9.    Y. Anahory, M. Guihard, D. Smeets, R. Karmouch, F. Schiettekatte, P. Vasseur, P. Desjardins, L. Hu, L.H. Allen, E. Leon-Gutierrez, J. Rodriguez-Viejo, “ Fabrication, characterization and modeling of single-crystal thin film calorimeter sensors”, Thermochimica Acta, 2010, 510, 126-136.

PDF version of the article  (1.9MB)               Official version of the article

10. R. K. Kummamuru, L. de la Rama, L. Hu, M. D. Vaudin, M. Y. Efremov, M. L. Green, D. A. LaVan, L. H. Allen, “Measurement of heat capacity and enthalpy of formation of nickel silicide using nanocalorimetry”, Applied Physics Letter, 2009, 95, 181911

PDF version of the article (0.4 MB)              Official version of the article

11. L. Hu, Z. S. Zhang, M. Zhang, M. Y. Efremov, E. A. Olson, L. P. de la Rama, R. K. Kummamuru, L. H. Allen, “Self-Assembly and Ripening of Polymeric Silver-Alkanethiolate Crystals on Inert Surfaces”, Langmuir, 2009, 25(16), 9585–9595.

PDF version of the article (6.5 MB)              Official version of the article

12. R. K. Kummamuru, L. Hu, L. Cook, M. Y. Efremov, E. A. Olson. and L. H. Allen, “A close proximity self-aligned shadow mask for sputter deposition onto a membrane or cavity”, Journal of Micromechanics and Microengineering, 2008, 18, 095027

PDF version of the article (1.1 MB)              Official version of the article

13. M. Zhang, E. A. Olson, R. D. Twesten, J. G. Wen, L. H. Allen, I. M. Robertson and I. Petrov, “In situ transmission electron microscopy studies enabled by microelectromechanical system technology”, Journal of Materials Research, 2005, 20 (7), 1802
PDF version of the article (0.8 MB)           Official version of the article

14. E. A. Olson, M. Yu. Efremov, M. Zhang, Z. Zhang, and L. H. Allen
"Size-dependent melting of Bi nanoparticles", Journal of Applied Physics, 2005, 97, 034304.
PDF version of the article (1.1 MB)           Official version of the article

15. 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. 2004, 84, 5198.
PDF version of the article (139 KB)           Official version of the article

16. 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. 2004, 37(12), 4607.
PDF version of the article (241 KB)           Official version of article

17. 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

18. 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

19. 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)

20. M. Zhang. "Thermal Properties of Indium Nanoparticles and Gold Silicide Formation by Scanning Nanocalorimetry."
Ph.D. Dissertation. University of Illinois at Urbana-Champaign. 2003.

PDF version of the document (12.6 MB)

21. 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

22. 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

23. 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

24. 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

25. 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

26. 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

27. 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)

28. 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

29. 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

30. 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

31. 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

32. 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

33. 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

34. 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

35. 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

36. 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

37. 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

38. 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

39. 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 SixGe1-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

40. 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

41. S. L. Lai, G. Ramanath, and L. H. Allen; P. Infante, Z. Ma,
"High-speed (104 oC/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

42. 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

43. 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

44. 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

45. 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

46. 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

47. 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

48. 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

49. 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

50. 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

51. 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

52. 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

53. 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

54. 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

55. Z. Ma, Y. Xu, and L. H. Allen.
"Low-temperature solid-phase heteroepitaxial growth of Ge-rich SixGe1-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

56. 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

57. 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

58. 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

59. 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

60. L. H. Allen and Ephraim Buhks.
"Copper electromigration in polycrystalline copper sulfide"
Journal of Applied Physic, 56(2), p327, 1984.
PDF version of article (911 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.

(c) 2003 Leslie Allen
Last Updated: 28 October 2003
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