Bettiol Group

Department of Physics, National University of Singapore

2005

A. A. Bettiol, C. N. B. . Udalagama, J. A. Van Kan and F. Watt, Ionscan: Scanning and control software for proton beam writing, Nuclear Instruments & Methods in Physics Research B 231 (2005) 400-406

A. A. Bettiol, T. C. Sum, F. C. Cheong, C.H. Sow, S. Venugopal Rao, J. A. van Kan, E. J. Teo, K. Ansari and F. Watt, A progress review of proton beam writing applications in microphotonics, Nuclear Instruments & Methods in Physics Research B 231 (2005) 364-371

I. Rajta, E. Baradács, A. A. Bettiol, I. Csige, K. T
őkési, L. Budai, Á. Z. Kiss, Optimization of particle fluence in micromachining of CR-39, Nuclear Instruments & Methods in Physics Research B 231 (2005) 384-388

C. N. B. Udalagama, A. A. Bettiol, J. A. van Kan, E. J. Teo, M. B. H. Breese, T. Osipowicz, F. Watt, An automatic beam focusing system for MeV protons, Nuclear Instruments & Methods in Physics Research B 231 (2005) 389-393

T. C. Sum, A. A. Bettiol, K. Liu, M. Q. Ren, E. Y. B. Pun, S. Venugopal Rao, J. A. van Kan and F. Watt, Proton beam writing of erbium-doped waveguide amplifiers, Nuclear Instruments & Methods in Physics Research B 231 (2005) 394-399

M. B. H. Breese, E. J. Teo, D. Mangaiyarkarasi, F. Champeaux, A. A. Bettiol and D. Blackwood, Proton beam writing of microstructures in silicon, Nuclear Instruments & Methods in Physics Research B 231 (2005) 357-363

J. A. van Kan, P. G. Shao, P. Molter, M. Saumer, A. A. Bettiol, T. Osipowicz and F. Watt, Fabrication of a free standing resolution standard for focusing MeV ion beams to sub 30 nm dimensions, Nuclear Instruments & Methods in Physics Research B 231 (2005) 170-175

K. Ansari , P. G. Shao, J. A. van Kan, A. A. Bettiol, F. Watt, Proton beam fabrication of nickel stamps for nanoimprint lithography, Nuclear Instruments & Methods in Physics Research B 231 (2005) 407-412

X. N. Xianning , Hong J. Chung, Chorng Haur Sow, Andrew A. Bettiol and Andrew T. S. Wee, Water-Bridge-Assisted Ionic Conduction in Probe-Induced Conical Polymer Pattern Formation, Advanced Materials 17 (2005) 1386-1390

F. Watt, A. A. Bettiol, J. A. van Kan, E. J. Teo and M. B. H. Breese, Ion Beam Lithography and Nano-Fabrication: A Review, International Journal of Nanoscience 4 (2005) 269-286

T. C. Sum, A A. Bettiol, J. A. van Kan, S. Venugopal Rao, F. Watt, K. Liu and E. Y. B. Pun, Direct imaging of the end-of-range and surface profiles of proton-beam written erbium-doped waveguide amplifiers by atomic force microscopy, Journal of Applied Physics 98 (2005) 033533

D. Mangaiyarkarasi, E. J. Teo, M. B. H. Breese, A. A. Bettiol, and D. J. Blackwood, Controlled Shift in Emission Wavelength from Patterned Porous Silicon Using Focused Ion Beam Irradiation, Journal of The Electrochemical Society, 152 (2005) D173-D176

P. Mistry, I. Gomez-Morilla, G. W. Grime, R. P. Webb, R. Gwilliam, A. Cansell, M. Merchant, K. J. Kirkby, E. J. Teo, M. B. H. Breese, A. A. Bettiol, D. J. Blackwood and F. Watt, New developments in the applications of proton beam writing, Nuclear Instruments & Methods in Physics Research B237 (2005) 188-192

2004

Harry J Whitlow, May Ling Ng, Vaida Auˇzelyt´e, Ivan Maximov, Lars Montelius, Jeroen A van Kan, Andrew A Bettiol and Frank Watt, Lithography of high spatial density biosensor structures with sub-100 nm spacing by mega electronvolt proton beam writing with minimal proximity effect, Nanotechnology 15 (2004) 223-226

K. Liu, E. Y. B. Pun, T. C. Sum, A. A. Bettiol, J. A. van Kan and F. Watt, Erbium doped waveguide amplifiers fabricated using focused proton beam direct-writing, Applied Physics Letters 84 (2004) 684-686

E. J. Teo, M. B. H. Breese, A A. Bettiol, F. Watt L. C. Alves, High quality ion-induced secondary electron imaging for MeV nuclear microprobe applications, Journal of Vacuum Science and Technology B 22 (2004) 560-564

E. J. Teo, M. B. H Breese, E. P. Tavernier, A. A. Bettiol, F. Watt, M. H. Liu and D. J. Blackwood, Three-dimensional microfabrication in bulk silicon using high-energy protons, Applied Physics Letters 84 (2004) 3202-3204

C. H. Sow, A. A. Bettiol, Y. Y. G. Lee, F. C. Cheong, C. T. Lim and F. Watt, Multiple spots optical tweezers created with microlens array fabricated by proton beam writing, Applied Physics B: Lasers and Optics 78 (2004) 705-709

E. J. Teo, A. A. Bettiol, T. Osipowicz, M. Hao, S. J. Chua and Y. Y. Liu, Depth-resolved luminescence imaging of epitaxial lateral overgrown GaN using ionoluminescence, Journal of Crystal Growth 268 (2004) 494-498

E. J. Teo, E. P. Tavernier, M. B. H. Breese, A. A. Bettiol, F. Watt, M.H. Liu, D.J. Blackwood, Three-dimensional micromachining of silicon using a nuclear microprobe, Nuclear Instruments & Methods in Physics Research B 222 (2004) 513-517

K. Ansari, J. A. van Kan, A. A. Bettiol, and Frank Watt, Fabrication of high aspect ratio 100nm metallic stamps for nanoimprint lithography using Proton Beam Writing, Applied Physics Letters 85 (2004) 476-478

T. C. Sum, A. A. Bettiol, H. L. Seng, J. A. van Kan, F. Watt, Direct measurement of proton beam written polymer optical waveguide sidewall morphorlogy using an atomic force microscope, Applied Physics Letters 85 (2004) 1398-1400

E. J. Teo, D. Mangaiyarkarasi, M. B. H. Breese, A. A. Bettiol, D. J. Blackwood, Controlled Intensity Emission from Patterned Porous Silicon Using Focused Proton, Applied Physics Letters 85 (2004) 4370-4372

J. A. Van Kan, A. A. Bettiol, K. Ansari, E. J. Teo, T. C. Sum and F. Watt, Proton beam writing: a progress review, International Journal of Nanotechnology 4 (2004) 464-479

S. G. Wang, Q. Zhang and A. A. Bettiol, Structural imperfection distributions and alpha particle detection properties of CVD diamond film, Physics Letters A 332 (2004) 475–480

2003

T. Osipowicz, E. J. Teo , A. A. Bettiol , F. Watt , M.S. Hao , S. J. Chua, 2 MeV proton channeling contrast microscopy of LEO GaN thin film structures, Thin Solid Films 424 (2003) 139-142

A. A. Bettiol, T. C. Sum, J. A. van Kan and F. Watt, Fabrication of micro-optical components in polymer using proton beam Micromachining and modification, Nuclear Instruments & Methods in Physics Research B 210 (2003) 250-255

F. Watt, J. A. van Kan, I. Rajta, A. A. Bettiol, T. F. Choo, M. B. H. Breese, T. Osipowicz, The National University of Singapore high energy ion nano-probe facility: Performance tests, Nuclear Instruments & Methods in Physics Research B 210 (2003) 14-20

C. N. B Udalagama, A. A Bettiol, J. A. van Kan, and F. Watt, Dose Normalization for SU-8 in Proton Beam Micromachining using Ionoluminescence Detection, Nuclear Instruments & Methods in Physics Research B 210 (2003) 256-259

T. C. Sum, A. A. Bettiol, H. L. Seng, I. Rajta, J. A. van Kan and F. Watt, Proton Beam Writing of Passive Waveguides in PMMA, Nuclear Instruments & Methods in Physics Research B 210 (2003) 266-271

E. J. Teo, A. A. Bettiol, C. N. B. Udalagama, K. P. Loh, F. Watt, Ionoluminescence and ion beam induced secondary electron imaging of cubic boron nitride, Nuclear Instruments & Methods in Physics Research B 210 (2003) 501-506

J. A. van Kan, A. A. Bettiol and F. Watt, Three dimensional nanolithography using proton beam writing, Applied Physics Letters 83 (2003) 1629-1631

T. C. Sum, A. A. Bettiol, J. A. van Kan, F. Watt, E. Y. B. Pun and K. K. Tung, Proton beam writing of low loss polymer optical waveguides, Applied Physics Letters 83 (2003) 1707-1709


2002

E. J. Teo, M. Alkaisi, A. A. Bettiol, T. Osipowicz, J. A. van Kan, F. Watt and A. Markwitz, Sub-micron channeling contrast microscopy on reactive ion etched deep Si microstructures, Nuclear Instruments & Methods in Physics Research B 190 (2002) 339-334

F. Watt, I. Rajta, J. A. van Kan, A. A. Bettiol and T. Osipowicz, Proton beam micromachined resolution standards for nuclear microprobes, Nuclear Instruments & Methods in Physics Research B 190 (2002) 306-311

A. A. Bettiol, J. A. van Kan and F. Watt, Proton Beam Micromachining: electron emission from SU-8 resist during ion beam irradiation, Nuclear Instruments & Methods in Physics Research B 190 (2002) 154-159

J. Ahn, B. Gan, Q. Zhang, Rusli, S. F. Yoon, V. Ligatchev, S. G. Wang, Q. F. Huang, K. Chew, A. C. Patran, A. Serban, M. H. Liu, S. Lee, A. A. Bettiol, T. Osipowicz and F. Watt, Characteristics of CVD Diamond Films in Detecting UV, X-Ray and Alpha Particle, International Journal of Modern Physics B: 16 (2002) 1018-1023

J. A. van kan, I. Rajta, K. Ansari, A. A. Bettiol, and F.Watt, Nickel and Copper electroplating of proton beam micromachined SU-8 resist, Microsystem Technologies 8 (2002) 383-386


2001

David N. Jamieson, Andrew Bettiol, Changyi Yang, Focused microprobes of high energy ions - versatile analytical probes for surfaces, interfaces and devices, Applied Surface Science169-170 (2001) 131-141

E. J. Teo, T. Osipowicz, A. A. Bettiol, J. van Kan, F. Watt, M. S. Hao, S. J. Chua, Channeling Contrast Microscopy on Lateral Epitaxial Overgrown GaN film, Nuclear Instruments & Methods in Physics Research B 181 (2001) 231-237

J. A. van Kan, A. A. Bettiol and F. Watt, High Precision 3D Metallic Microstructures Produced using Proton Beam Micromachining, Nuclear Instruments & Methods in Physics Research B 181 (2001) 258-262

J. A. van Kan, A. A. Bettiol, B. S. Wee, T. C. Sum, S. M. Tang and F. Watt, Proton Beam Micromachining: A new Tool for Precision 3D Microstructures, Sensors and Actuators A 92 (2001) 370-374

A. A. Bettiol, C. G. Ryan, D. N. Jamieson and S. Prawer, Imaging Ni Segregation in Synthetic Diamond using Ionoluminescence (IL) and Particle Induced X-ray Emission (PIXE), Nuclear Instruments & Methods in Physics Research B 181 (2001) 225-230

A. A. Bettiol, J. A. van Kan, T. C. Sum and F. Watt, A LabVIEW Based Scanning and Control System for Proton Beam Micromachining, Nuclear Instruments & Methods in Physics Research B 181 (2001) 49-53

M. Zmeck, J. Phang, A. Bettiol, T. Osipowicz, F. Watt, L. Balk, F. J. Niedemostheide, H. J. Schulzed, E. Falck, R. Barthelmess, Analysis of high-power devices using proton beam induced charge microscopy, Microelectronics Reliability 41 (2001) 1519-1524