PUBLICATIONS

Kummel Lab in the News

DFT model is on the cover of the MRS bulletin, MRS (July 2009)

Cutting-Edge Nanotech Devices Could Fight Disease From Inside the Body, San Diego Business Journal (Jun. 2009)

New Device May Revolutionize Breast Cancer Surgery, CBS News (May 2009)

Automated screening process may eventually reduce additional breast cancer surgeries, UC Newsroom (Jan. 2009)

Coin-sized sensor can detect bombs, Air Force (May 2008)

Scientists develop homemade bomb sensor, United Press International (March 2008)

Papers

Year 2009

86.  M. Housa, E. A. Chagarov and A. C. Kummel,  Surface Defects and Passivation of Ge and III-V Interfaces. MRS Bulletin 34, 504 (2009) PDF

85.  J. B. Clemens, S. R. Bishop, D. L. Feldwinn, R. Droopad , A.  C. Kummel, Initial stages of the autocatalytic oxidation of the InAs(001)-(4x2)/c(8x2) surface by molecular oxygen. Surf. Sci. (2009) PDF

84. N. L. Tran, F. I. Bohrer, I. K. Schuller, W. C. Trogler, and A. C. Kummel, A density functional theory study of the correlation between analyte basicity, ZnPc adsorption strength, and sensor response. J. Chem. Phys. 130, 204307 (2009) PDF

83. E. A. Chagarov and A. C Kummel, Ab-Initio molecular dynamics simulations of properties of a-Al2O3/vacuum and a-ZrO2 /vacuum vs a-Al2O3/Ge(100)(2x1) and a-ZrO2 /Ge(100)(2x1) interfaces. J. Chem. Phys. 130, 124717 (2009) PDF

82. F. I. Bohrer, C. N. Colesniuc, J. Park, M. E. Ruidiaz, I. K. Schuller, W. C. Trogler, A. C. Kummel, Comparative Gas Sensing in Cobalt, Nickel, Copper, Zinc, and Metal-Free Phthalocyanine Chemiresistors. J.  Am. Chem.  Soc. 131, 478 (2009) PDF

81. M. J. Cortes, D. Martin, S. Sandoval, M. Ruidiaz, D. Messmer, J. Wang-Rodruguez, W. Trogler, A. C. Kummel, S. Blair, Automated Microscopy to Evaluate Surgical Margins via Touch Prep in Breast Cancer. Annals of Surgical Oncology 16(3), 709-720 (2009) PDF

80. T.J. Grassman, S.R. Bishop and A.C. Kummel. Density functional theory study of first-layer adsorption of ZrO2 and HfO2 on Ge(100). Microelectronic Engineering, 86, 249-258 (2009) PDF

79. N. L. Tran, S. R. Bishop, T. J. Grassman, G. C. Poon, F. I. Bohrer, W. C. Trogler, and A. C. Kummel. NO chemisorption dynamics on thick FePc and ttbu-FePc films. J. Chem. Phys. 130 174305 (2009) PDF

78. Richard D. Yang, Jeongwon Park, Corneliu N. Colesniuc, Ivan K. Schuller, James E. Royer, William C. Trogler, and Andrew C. Kummel. Analyte chemisorption and sensing on n- and p-channel copper phthalocyanine thin-film transistors. J. Chem. Phys. 130 164703 (2009) PDF

 

Year 2008

77. J.Y. Marciniak, A.C. Kummel, S.C. Esener, M.J. Heller and B.T. Messmer. Coupled rolling circle amplification loopmediated amplification for rapid detection of short DNA sequences. BioTechniques 45 275 (2008) PDF

76. E.A. Chagarov and A.C. Kummel.. Generation of realistic amorphous Al2O3 And ZrO2 samples by hybrid classical and first-principle molecular dynamics simulations. ECS Transaction 16(10) 773 (2008) PDF

75. J. Shen, D.L. Winn, W. Melitz, J.B. Clemens and A.C. Kummel. Real Space Surface Reconstructions of Decapped As-rich In0.53Ga0.47As(001)-(2x4). ECS Transaction 16(5) 463 (2008) PDF

74. T.J. Grassman, S.R. Bishop and A.C. Kummel. Density functional theory study of first-layer adsorption of ZrO2 and HfO2 on Ge(100). Proceeding of 4th International Symposium Advanced Gate Stack Technology (2008) PDF

73. T.J. Grassman, S.R. Bishop and A.C. Kummel. An atomic view of Fermi level pinning of Ge(100) by O2. Surf. Sci. 602, 2373 (2008) PDF

72. E.A. Chagarov and A.C. Kummel. Formation mechanisms of polar and non-polar amorphous oxide–semiconductor interfaces. Surf. Sci. 602, L74 (2008) PDF

71. J. Park, R.D. Yang, C.N. Colesniuc, A. Sharoni, S. Jin,  I.K. Schuller, W.C. Trogler and A.C. Kummel, Bilayer processing for an enhanced organic-electrode contact in ultrathin bottom contact organic transistors,  App. Phys Lett. 92, 193311 (2008) PDF

70.  F.I. Bohrer, A. Sharoni, C. Colesniuc, J. Park, I.K. Schuller, A.C. Kummel, and W.C. Trogler. Selective Detection of Vapor Phase Hydrogen Peroxide with Phthalocyanine Chemiresistors. J. Am. Chem. Soc. 130, 3712(2008) PDF

 

Year 2007

69. S. Blair, J. Wang-Rodriguez, M.J. Cortes-Mateos, D. Messmer, S. Sandoval, B. Messmer, W.C. Trogler and A.C. Kummel. Enhanced touch preps improve the ease of interpretation of intraoperative breast cancer margins. The American Surgeon 73, 1 (2007) PDF

68. D.L. Winn, T.J. Grassman and A.C. Kummel. Electronic properties of adsorbates on In0.37Ga0.63As(001)(2x4). ECS Transactions 11(4), 441 (2007) PDF

67. N.L. Tran and A.C. Kummel, A density functional theory study on the binding of  NO on FePc films. J. Chem. Phys. 127, 214701 (2007) PDF

66. S.R. Bishop, N.L. Tran, G.C. Poon and A.C. Kummel, Dynamics of analyte binding onto metallophthalocyanine: NO/FePc. J. Chem. Phys. 127, 214702 (2007) PDF

65. D.L. Winn, M.J. Hale, T.J. Grassman, J.Z. Sexton, A.C. Kummel, M. Passlack and R. Droopad. Electronic properties of adsorbates on GaAs(001)-c(2x8)/(2x4). J. Chem. Phys. 127, 134705 (2007) PDF

64. R.D. Yang, J. Park, C.N. Colesniuc, I.K. Schuller, W.C. Trogler and A.C. Kummel, Ultra-low drift in organic thin-film transistor chemical sensors by pulsed gating,  J. of App. Phys. 102, 034515 (2007) PDF

63. R.D. Yang, T. Gredig, C.N. Colesniuc, I.K. Schuller, J. Park, W.C. Trogler and A.C. Kummel. Ultrathin organic transistors for chemical sensing.  App. Phys. Lett. 90, 263506 (2007) PDF

62. F.I. Bohrer, A. Sharoni, C. Colesniuc, J. Park, I.K. Schuller, A.C. Kummel, and W.C. Trogler. Gas Sensing Mechanism in Chemiresistive Cobalt and Metal-Free Phthalocyanine Thin Films. J. Am. Chem. Soc. 129, 5640 (2007) PDF

61. Winn DL, Hale MJ, Grassman TJ, Sexton JZ, Kummel AC. Direct and indirect causes of Fermi level pinning at the SiO/GaAs interface. J. Chem. Phys. 126, 084703 (2007) PDF

 

Year 2006

60. Yang RD, Fruhberger B, Park J, Kummel AC. Chemical identification using and impedance sensor based on dispersive charge transport. Appl. Phys. Lett. 88, 074104 (2006)

59. Poon GC, Santagata NM, Grassman TJ, Kummel AC. Angular distribution of ejected Cl from direct abstractive chemisorption of Cl2/Al(111). In preparation.

58. Miller KA, Yang RD, Hale MJ, Park J, Fruhberger B, Colesniuc CN, Schuller IK, Kummel AC, Trogler WC. Electrode independent chemoresistive response for cobalt phthalocyanine in the space charge limited conductivity regime. J. Phys. Chem. B., 110 (1), Jan 12 2006, pp361-366.

 

Year 2000 - 2005

57. Hale MJ, Winn DL, Grassman TJ, Kummel AC, Droopad R. Chemically resolved scanning tunneling microscopy imaging of Al on p-type Al0.1Ga0.9As(001)-c(2*8)/(2*4). J. Chem. Phys., vol. 122, no. 12, 22 March 2005, pp. 124702-1-4. PDF

56. Grassman TJ, Poon GC, Kummel AC. Low coverage spontaneous etching and hyperthermal desorption of aluminum chlorides from Cl2/Al(111). J. Chem. Phys., vol. 121, no. 18, 8 Nov. 2004, pp. 9018-30. PDF

55. Sexton JZ, Kummel, AC. Island morphology statistics and growth mechanism for oxidation of the Al(111) surface with thermal O2 and NO. J. Chem. Phys., vol. 121, no. 13, 1 Oct. 2004, pp. 6518-24.

54. Hale MJ, Sexton JZ, Winn DL, Kummel AC, Erbudak M, Passlack M. The influence of bond flexibility and molecular size on the chemically selective bonding of In2O and Ga2O on GaAs(001)-c(2*8)/(2*4). J. Chem. Phys., vol. 120, no. 12, 22 March 2004, pp. 5745-54.

53. Poon GC, Grassman TJ, Gumy JC, Kummel AC. Direct and precursor-mediated hyperthermal abstractive chemisorption of Cl2/Al(111). J. Chem. Phys., vol. 119, no. 18, 8 Nov. 2003, pp. 9818-28. PDF

52. Sexton JZ, Yi SI, Hale M, Kruse P, Demkov AA, Kummel AC. Displacement of surface arsenic atoms by insertion of oxygen atoms into as-Ga backbonds. J. Chem. Phys., vol. 119, no. 17, 1 Nov. 2003, pp. 9191-8.

51. Hale MJ, Yi SI, Sexton JZ, Kummel AC, Passlack M. Scanning tunneling microscopy and spectroscopy of gallium oxide deposition and oxidation on GaAs(001)-c(2*8)/(2*4). J. Chem. Phys., vol. 119, no. 13, 1 Oct. 2003, pp. 6719-28.

50. Sexton JZ, Kummel AC. Comparison of density functional theory methods as applied to compound semiconductor-oxide interfaces: slab versus cluster models. J.V.S.T. B, vol. 21, no. 4, July 2003, pp. 1908-14.

49. Lee SM, Lee S, Scheffler M, McLean JG, Kruse P, Guo-Ping J, Ruda HE, Kummel AC. Comment on "Anomalous mobility of strongly bound surface species: Cl on GaAs(001)-c(8*2)" [and Reply]. Phys. Rev. Lett., vol. 89, no. 23, 2 Dec. 2002, pp. 239601-1-2-1.

48. Komrowski AJ, Ternow H, Razaznejad B, Berenbak B, Sexton, JZ, Zoric I, Kasemo B, Lundqvist BI, Stolte S, Kleyn AW, Kummel AC. Dissociative adsorption of NO upon Al(111): Orientation dependent charge transfer and chemisorption reaction dynamics. J. Chem. Phys., vol. 117, no. 18, Nov. 2002, pp. 8185-9.

47. Passlack M, Abrokwah JK, Droopad R, Yu Z, Overgaard C, Yi SI, Hale MJ, Sexton JZ, Kummel AC. Self-aligned GaAs p-channel enhancement mode MOS heterostructure field-effect transistor. IEEE Elec. Dev. Lett., vol. 23, no. 9, Sept. 2002, pp. 508-10.

46. Komrowski AJ, Sexton JZ, Kummel AC, Binetti M, Weisse O, Hasselbrink E. Oxygen abstraction from dioxygen on the Al(111) surface. Phys. Rev. Lett., vol. 87, no. 24, 10 Dec. 2001, pp. 246103/1-4.

45. Yi SI, Kruse P, Hale M, Kummel AC. Adsorption of atomic oxygen on GaAs(001)-(2*4) and the resulting surface structures. J. Chem. Phys., vol. 114, no. 7, 15 Feb. 2001, pp. 3215-23.

44. Kruse P, McLean JG, Kummel AC. Chemically selective adsorption of molecular oxygen on GaAs(100)c(2*8). J. Chem. Phys., vol. 113, no. 20, 22 Nov. 2000, pp. 9224-32.

43. Kruse P, McLean JG, Kummel AC. Realative reactivity of arsenic and gallium dimers and backbonds during the adsorption of molecular oxygen on GaAs(100)(6*6). J. Chem. Phys., vol. 113, no. 20, 22 Nov. 2000, pp. 9217-23.

42. McLean JG, Kruse P, Jiang Guo-Ping, Ruda HE, Kummel AC. Anomalous mobility of strongly bound surface species: Cl on GaAs(001)-c(8*2). Phys. Rev. Lett., vol. 85, no. 4, 14 Aug. 2000, pp. 1488-91.

41. Kruse P, McLean JG, Kummel AC. Localized excess negative charges in surface states of the clean Ga-rich GaAs(100)c(8*2)/(4*2) reconstruction as imaged by scanning tunneling microscopy. J. Chem. Phys., vol. 113, no. 6, 8 Aug. 2000, pp. 2060-3.

 

Prior 2000

40. McLean JG, Kruse P, Guo-Ping Jiang, Ruda HE, Kummel AC. Clustering of charged adsorbates: scanning tunneling microscopy observations of chlorine on gallium-rich GaAs(001)-c(8*2). J. Phys. Chem. A, vol. 103, no. 49, 9 Dec. 1999, pp. 10364-8.

39. Liu Y, Komrowski AJ, Kummel AC. Scanning tunneling microscopy identification of surface species on the As-rich GaAs(001)-2*4:Br surface. Surf. Sci., vol. 436, no. 1-3, 10 Aug. 1999, pp. 29-37.

38. McLean JG, Kruse P, Kummel AC. Atomic structure determination for GaAs(001)-(6*6) by STM. Surf. Sci., vol. 424, no. 2-3, 1 April 1999, pp. 206-18.

37. Yong Liu, Komrowski AJ, Kummel AC. Reaction dynamics of the As-rich GaAs(001)-2*4 surface with monoenergetic Br2 molecules: A scanning tunneling microscopy study. J. Chem. Phys., vol. 110, no. 9, 1 March 1999, pp. 4608-15.

36. Pettus KA, Ahmadi TS, Lanzendorf EJ, Kummel AC. Comparison of chemical selectivity and kinetic energy release in Si(s) + ICl(g) and H(g) + ICl(g). J. Chem. Phys., vol. 110, no. 9, 1 March 1999, pp. 4641-6.

1. Hanisco TF, Kummel AC. Resonantly Enhanced Multiphoton Ionization of N2 a"1Σg+ (ν' = ν") ← X1Σg+ (ν" = 0-2). 1. Determination of Rotational Populations and Virtual State Character. J. Phys. Chem., vol. 95, no. 22, 31 Oct. 1991, pp. 8565-74.

 

Patents

2. A.C. Kummel, J. Shen, D.L. Winn and T. Song "Group III Rich Surface for Formation of Unpinned Oxide/Compound Semiconductor Interfaces" provisional patent filed (Feb. 2008).

1. A.C. Kummel, R.D. Yang, W.C. Trogler and T. Gredig "Ultra-thin organic TFT chemical sensor, making thereof, and sensing method", provisional patent filed (May 2007).

 

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Last updated: 05/28/09