Cardiff University | Prifysgol Caerdydd ORCA
Online Research @ Cardiff 
WelshClear Cookie - decide language by browser settings

Browse by Current Cardiff authors

Up a level
Export as [feed] Atom [feed] RSS 1.0 [feed] RSS 2.0
Number of items: 30.

Alt, Alexander, Hirshy, Hassan, Jiang, Sheng, Lee, Kean Boon, Casbon, Michael, Chen, Peng, Houston, Peter, Tasker, Paul and Lees, Jonathan 2019. Analysis of gain variation with changing supply voltages in GaN HEMTs for envelope tracking power amplifiers. IEEE Transactions on Microwave Theory and Techniques 67 (7) , pp. 2495-2504. 10.1109/TMTT.2019.2916404
file

Chandrasekar, Hareesh, Uren, Michael J., Casbon, Michael A., Hirshy, Hassan, Eblabla, Abdalla, Elgaid, Khaled, Pomeroy, James W., Tasker, Paul J. and Kuball, Martin 2019. Quantifying temperature-dependent substrate loss in GaN-on-Si RF technology. IEEE Transactions on Electron Devices 66 (4) , pp. 1681-1687. 10.1109/TED.2019.2896156
file

Hirshy, Hassan, Singh, Manikant, Casbon, Michael A., Perks, Richard M., Uren, Michael J., Martin, Trevor, Kuball, Martin and Tasker, Paul J. 2018. Evaluation of pulsed I-V analysis as validation tool of nonlinear RF models of GaN-based HFETs. IEEE Transactions on Electron Devices 65 (12) , pp. 5307-5313. 10.1109/TED.2018.2872513
file

Chandrasekar, Hareesh, Uren, Michael J., Eblabla, Abdalla, Hirshy, Hassan, Casbon, Michael A., Tasker, Paul J., Elgaid, Khaled and Kuball, Martin 2018. Buffer-induced current collapse in GaN HEMTs on highly resistive Si substrates. IEEE Electron Device Letters 39 (10) , pp. 1556-1559. 10.1109/LED.2018.2864562
file

Pooth, A., Bergsten, J., Rorsman, N., Hirshy, Hassan, Perks, Richard, Tasker, Paul, Martin, T., Webster, R., Cherns, D., Uren, M. and Kuball, M. 2017. Morphological and electrical comparison of Ti and Ta based ohmic contacts for AlGaN/GaN-on-SiC HFETs. Microelectronics Reliability 68 , pp. 2-4. 10.1016/j.microrel.2016.11.002
file

Gold, H., Haase, A., Fian, A., Prietl, C., Striedinger, B., Zanella, F., Marjanović, N., Ferrini, R., Ring, J., Lee, K.-D., Jiawook, R., Drost, A., König, M., Müller, R., Myny, K., Genoe, J., Kleb, U., Hirshy, Hassan, Prétôt, R., Kraxner, J., Schmied, R. and Stadlober, B. 2015. Self-aligned flexible organic thin-film transistors with gates patterned by nano-imprint lithography. Organic Electronics 22 , pp. 140-146. 10.1016/j.orgel.2015.03.047

Ulmeanu, Magdalena, Petkov, Petko Vladev, Hirshy, Hassan and Brousseau, Emmanuel Bruno Jean Paul 2014. Formation of ordered arrays of Si and GaAs nanostructures by single-shot laser irradiation in near-field at the solid/liquid interface. Materials Research Express 1 (1) , 015030. 10.1088/2053-1591/1/1/015030

Bigot, Samuel, Lacan, Franck Andre, Hirshy, Hassan, Petkov, Petko Vladev, Babenko, M., Castro, G. G., Sweeney, J., Ugail, H. and Whiteside, B. 2014. Micro and nano structuring of sapphire for Micro Injection process investigation. Presented at: 9th International Conference on Micromanufacturing, Singapore, China, 25-28 March 2014.

Hirshy, Hassan, Scholz, Steffen G., Jourlin, Y., Tonchev, S., Reynaud, S., Boukenter, A. and Parriaux, O. 2014. 2N Period submicron grating at the inner wall of a metal cylinder. Microsystem Technologies 20 (10-11) , pp. 1833-1837. 10.1007/s00542-013-1949-y

Griffiths, C. A., Dimov, S. S., Rees, A., Dellea, O., Gavillet, J., Lacan, Franck Andre and Hirshy, Hassan 2013. A novel texturing of micro injection moulding tools by applying an amorphous hydrogenated carbon coating. Surface and Coatings Technology 235 , pp. 1-9. 10.1016/j.surfcoat.2013.07.006

Zanella, F., Marjanović, N., Ferrini, R., Gold, H., Haase, A., Fian, A., Stadlober, B., Müller, R., Genoe, J., Hirshy, Hassan, Drost, A., König, M., Lee, K.-D., Ring, J., Prétôt, R., Enz, C. C. and Sallese, J.-M. 2013. Design and modeling of self-aligned nano-imprinted sub-micrometer pentacene-based organic thin-film transistors. Organic Electronics 14 (11) , pp. 2756-2761. 10.1016/j.orgel.2013.07.035

Hashoosh, Ahmed, Hirshy, Hassan, Brousseau, Emmanuel Bruno Jean Paul and Moosa, Ahmed 2013. Fabrication of aluminium nanowires by differential pressure injection. ISRN Nanomaterials 2013 , 132798. 10.1155/2013/132798

Omar, Fuad, Kolew, Alexander, Brousseau, Emmanuel Bruno Jean Paul and Hirshy, Hassan 2013. Simulation and experimental study of the effects of process factors on the uniformity of the residual layer thickness in hot embossing. Journal of Micro and Nano-Manufacturing 1 (2) , 021002. 10.1115/1.4024097

Omar, Fuad, Kolew, Alexander, Brousseau, Emmanuel Bruno Jean Paul and Hirshy, Hassan 2012. Process factors influence on residual layer uniformity in hot embossing. Presented at: 9th International Conference on Multi-Material Micro Manufacture, Vienna, Austria, 9-11 October 2012. Published in: Noll, Humbert, Adamovic, Nadja and Dimov, Stefan eds. Multi-Material Micro Manufacture Proceedings of the 9th International Conference on. Singapore: Research Publishing, pp. 81-84. 10.3850/978-981-07-3353-7_302

Popov, Krastimir Borisov, Hirshy, Hassan and Petkov, Petko Vladev 2012. A Novel Approach for Size Up-Scaling of Nickel Master for the Replication of Micro and Nano Features. Presented at: 4M 2012 - 9th International Conference on Multi-Material Micro Manufacture, Vienna, Austria, 9–11 October 2012. Published in: Noll, H., Adamovic, N. and Dimov, Stefan Simeonov eds. Proceedings of the 9th International Conference on Multi-Material Micro Manufacture. Singapore: Research Publishing, p. 73. 10.3850/978-981-07-3353-7_280

Vella, Pierre C., Dimov, Stefan Simeonov, Kolew, Alexander, Minev, Ekaterin, Popov, Krastimir Borisov, Lacan, Franck Andre, Griffiths, Christian Andrew, Hirshy, Hassan and Scholz, Steffen Gerhard 2012. Bulk Metallic Glass based Tool-Making Process Chain for Micro- and Nano- Replication. Presented at: 4M 2012 - 9th International Conference on Multi-Material Micro Manufacture, Vienna, Austria, 9–11 October 2012. Published in: Noll, H., Adamovic, N. and Dimov, Stefan Simeonov eds. Proceedings of the 9th International Conference on Multi-Material Micro Manufacture. Singapore: Research Publishing, p. 309. 10.3850/978-981-07-3353-7_300

Hirshy, Hassan, Lalev, Georgi Maximov, Velkova, Valentina, Popov, Krastimir Borisov, Scholz, Steffen Gerhard and Dimov, Stefan Simeonov 2011. Master tool fabrication for the replication of micro and nano features. Presented at: 8th International Conference on Multi-Material Micro Manufacture, Suttgart, Germany, 8–10 November 2011. Published in: Kück, Heinz, Reinecke, Holger and Dimov, Stefan Simeonov eds. Proceedings of the 8th International Conference on Multi-Material Micro Manufacture, Suttgart, Germany, 8–10 November 2011. Singapore: Research Publishing, pp. 317-320. 10.3850/978-981-07-0319-6_215

Griffiths, Christian Andrew, Dimov, Stefan Simeonov, Scholz, Steffen Gerhard, Hirshy, Hassan and Tosello, G. 2011. Process factors influence on cavity pressure behavior in microinjection moulding. Journal of Manufacturing Science and Engineering 133 (3) , 031007. 10.1115/1.4003953

Griffiths, Christian Andrew, Dimov, Stefan, Hirshy, Hassan, Scholz, Steffen Gerhard, Fischer, S. and Spitzbart, M. 2011. Rapid tooling for microfluidic prototypes. Presented at: 6th International Conference on Manufacturing (ICOMM), Tokyo, Japan, 7-10 March 2011.

Velkova, Valentina, Lalev, Georgi M., Hirshy, Hassan, Omar, Fuad, Scholz, Steffen Gerhard, Minev, Ekaterin and Dimov, Stefan Simeonov 2011. Process chain for serial manufacture of 3D micro- and nano-scale structures. CIRP Journal of Manufacturing Science and Technology 4 (4) , pp. 340-346. 10.1016/j.cirpj.2011.03.005

Griffiths, Christian Andrew, Dimov, Stefan Simeonov, Hirshy, Hassan, Scholz, Steffen Gerhard, Fischer, S. and Spitzbart, M. 2011. Prototype tooling for producing small series of polymer microparts. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 225 (12) , pp. 2189-2205. 10.1177/2041297510393799

Griffiths, Christian Andrew, Dimov, Stefan Simeonov, Scholz, Steffen Gerhard, Hirshy, Hassan, Tosello, G., Hansen, H. N. and Williams, Eleri 2011. Cavity pressure behavior in micro injection moulding. Presented at: 4M2010: 7th International Conference on Multi-Material Micro Manufacture, Oyonnax, France, 17-19 November 2010. Published in: Fillon, B., Khan-Malek, C. and Dimov, Stefan Simeonov eds. Proceedings of the 7th International Conference on Multi-Material Micro Manufacture. Singapore: Research Publishing, 10.3850/978-981-08-6555-9_164

Velkova, V., Lalev, G., Hirshy, Hassan, Scholz, Steffen Gerhard, Hiitola-Keinänen, J., Gold, H., Haase, A., Hast, J., Stadlober, B. and Dimov, Stefan Simeonov 2010. Design and validation of a novel master-making process chain for organic and large area electronics on flexible substrates. Microelectronic Engineering 87 (11) , pp. 2139-2145. 10.1016/j.mee.2010.01.015

Velkova, Valentina, Lalev, Georgi Maximov, Hirshy, Hassan, Scholz, Steffen Gerhard and Dimov, Stefan Simeonov 2009. Novel process chain for fabrication of Ni shims. Presented at: 4M 2009: 6th International Conference on Multi-Material Micro Manufacture, Karlsruhe, Germany, 23-25 September 2009. Published in: Saile, V., Ehmann, K. and Dimov, Stefan Simeonov eds. Proceedings of 4M 2009: 6th International Conference on Multi-Material Micro Manufacture. Singapore: Research Publishing, pp. 411-414. 10.3850/4M2009RP001_9087

Lalev, G., Petkov, Petko Vladev, Sykes, N., Hirshy, Hassan, Velkova, V., Dimov, Stefan Simeonov and Barrow, David Anthony 2009. Fabrication and validation of fused silica NIL templates incorporating different length scale features. Microelectronic Engineering 86 (4-6) , pp. 705-708. 10.1016/j.mee.2009.01.074

Svintsov, A., Zaitsev, S., G., Lalev, Dimov, Stefan Simeonov, Velkova, V. and Hirshy, Hassan 2009. FIB sputtering optimization using Ion Reverse Software. Microelectronic Engineering 86 (4-6) , pp. 544-547. 10.1016/j.mee.2009.01.073

Scholz, Steffen Gerhard, Petkov, Petko Vladev, Brousseau, Emmanuel Bruno Jean Paul, Griffiths, Christian Andrew, Hirshy, Hassan and Dimov, Stefan Simeonov 2009. Process chain for replicating bio inspired micro structured surfaces. Presented at: 4M 2009: 6th International Conference on Multi-Material Micro Manufacture, Karlsruhe, Germany, 23-25 September 2009. Published in: Saile, V. and Ehmann, K. eds. Proceedings of 4M 2009: 6th International Conference on Multi-Material Micro Manufacture. Singapore: Research Publishing, pp. 271-274. 10.3850/4M2009RP001_9054

Hirshy, Hassan Ali 2008. Growth and characterisation of indium nitride. PhD Thesis, Cardiff University.
file

Butcher, K S A, Fernandes, A J, Chen, P P T, Wintrebert -Fouquet, M, Timmers, H, Shrestha, S K, Hirshy, Hassan and Perks, Richard Marc 2007. The nature of nitrogen related point defects in common forms of InN. Journal of Applied Physics 101 (12) , 123702. 10.1063/1.2736654
file

Butcher, K. S. A., Hirshy, Hassan, Perks, Richard Marc, Wintrebert-Fouquet, M. and Chen, P. P.-T. 2006. Stoichiometry effects and the Moss-Burstein effect for InN. Physica status solidi (a) 203 (1) , pp. 66-74. 10.1002/pssa.200563504

This list was generated on Mon Oct 26 04:13:14 2020 GMT.


Maintained by Cardiff University Information Services