Publications

Journal Articles

2025

  • J. P. Rojas, R. Almazyad, A. Al Hayyah, A. Alruhaiman, M. Almusharraf, S. Al-Dharrab, and H. Attia, Self-powered end-to-end wireless sensor network for geophysical explorations. IEEE Systems Journal, 19(1), 107–118 (2025).
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  • J. P. Rojas, Design and evaluation of LET-based soft hinges for stress mitigation in flexible copper interconnects. Flexible and Printed Electronics, 10(3), 035016 (2025).
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  • A. A. Alduais, A. B. Javaid, M. A. Syed, and J. P. Rojas, Analysis of electrodynamic screens with fractal designs for enhanced performance. Arabian Journal for Science and Engineering, 50(21), 17575–17585 (2025).
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2024

  • H. S. Daraghma, D. B. Ferry, S. G. Rao, M. A. Hawwa, M. A. Gondal, and J. P. Rojas, Materials & design approaches for enhanced performance of mechanically compliant thermoelectric generators (TEGs): a review. Smart Materials and Structures, 33(10), 103003 (2024).
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  • M. S. Kim, A. S. Almuslem, W. Babatain, R. R. Bahabry, U. K. Das, N. El-Atab, M. Ghoneim, A. M. Hussain, A. T. Kutbee, J. Nassar, N. Qaiser, J. P. Rojas, et al., Beyond Flexible: Unveiling the Next Era of Flexible Electronic Systems. Advanced Materials, 36(51), 2406424 (2024).
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2022

  • J. P. Rojas, M. U. Rehman, A. Hussein, A. E’mar, Y. AlRaei, H. AlZaher, and M. Mohandes, Kirigami-enabled wearable health and crowd monitoring system. Arabian Journal for Science and Engineering, 47(3), 3583–3595 (2022).
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2020

  • H. Attia, S. Gaya, A. Alamoudi, F. M. Alshehri, A. Al-Suhaimi, N. Alsulaim, A. M. Al Naser, M. A. J. Eddin, A. M. Alqahtani, J. P. Rojas, et al., Wireless geophone sensing system for real-time seismic data acquisition. IEEE Access, 8, 81116–81128 (2020).
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  • M. U. Rehman, W. Babatain, S. F. Shaikh, D. Conchouso, N. Qaiser, M. M. Hussain, and J. P. Rojas, Stress concentration analysis and fabrication of silicon (100) based ultra-stretchable structures with parylene coating. Extreme Mechanics Letters, 41, 101052 (2020).
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2019

  • A. M. Hussain, M. T. Ghoneim, J. P. Rojas, and H. Fahad, Flexible and/or stretchable sensor systems. Journal of Sensors, 2019, 1828394 (2019).
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2017

  • J. P. Rojas, D. Conchouso, A. Arevalo, D. Singh, I. G. Foulds, and M. M. Hussain, Paper-based origami flexible and foldable thermoelectric nanogenerator. Nano Energy, 31, 296–301 (2017).
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  • M. U. Rehman and J. P. Rojas, Optimization of compound serpentine–spiral structure for ultra-stretchable electronics. Extreme Mechanics Letters, 15, 44–50 (2017).
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  • N. Qaiser, S. M. Khan, M. Nour, M. U. Rehman, J. P. Rojas, and M. M. Hussain, Mechanical response of spiral interconnect arrays for highly stretchable electronics. Applied Physics Letters, 111(21), 214102 (2017).
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  • J. P. Rojas, D. Singh, S. B. Inayat, G. A. T. Sevilla, H. M. Fahad, and M. M. Hussain, Micro and nano-engineering enabled new generation of thermoelectric generator devices and applications. ECS Journal of Solid State Science and Technology, 6(3), N3036–N3044 (2017).
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2016

  • J. P. Rojas, D. Singh, D. Conchouso, A. Arevalo, I. G. Foulds, and M. M. Hussain, Stretchable helical architecture inorganic-organic hetero thermoelectric generator. Nano Energy, 30, 691–699 (2016).
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  • J. M. Nassar, J. P. Rojas, A. M. Hussain, and M. M. Hussain, From stretchable to reconfigurable inorganic electronics. Extreme Mechanics Letters, 9, 245–268 (2016).
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2015

  • J. P. Rojas, G. A. T. Sevilla, N. Alfaraj, M. T. Ghoneim, A. T. Kutbee, A. Sridharan, and M. M. Hussain, Nonplanar nanoscale fin field effect transistors on textile, paper, wood, stone, and vinyl via soft material-enabled double-transfer printing. ACS Nano, 9(5), 5255–5263 (2015).
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  • A. N. Hanna, A. M. Hussain, M. T. Ghoneim, J. P. Rojas, G. A. T. Sevilla, and M. M. Hussain, Wavy channel TFT architecture for high performance oxide based displays. ECS Transactions, 67(1), 191–198 (2015).
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  • N. Alfaraj, A. M. Hussain, G. A. T. Sevilla, M. T. Ghoneim, J. P. Rojas, A. B. Aljedaani, and M. M. Hussain, Functional integrity of flexible n-channel metal–oxide–semiconductor field-effect transistors on a reversibly bistable platform. Applied Physics Letters, 107(17), 174101 (2015).
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  • J. Prieto Rojas and M. M. Hussain, The role of microfabrication and nanotechnology in the development of microbial fuel cells. Energy Technology, 3(10), 996–1006 (2015).
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  • M. T. Ghoneim, H. M. Fahad, A. M. Hussain, J. P. Rojas, G. A. T. Sevilla, N. Alfaraj, E. B. Lizardo, and M. M. Hussain, Enhanced cooling in mono-crystalline ultra-thin silicon by embedded micro-air channels. AIP Advances, 5(12), 127115 (2015).
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2014

  • M. T. Ghoneim, J. P. Rojas, A. M. Hussain, and M. M. Hussain, Additive advantage in characteristics of MIMCAPs on flexible silicon (100) fabric with release-first process. physica status solidi (RRL) – Rapid Research Letters, 8(2), 163–166 (2014).
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  • J. P. Rojas, A. Arevalo, I. G. Foulds, and M. M. Hussain, Design and characterization of ultra-stretchable monolithic silicon fabric. Applied Physics Letters, 105(15), 154101 (2014).
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  • G. A. T. Sevilla, J. P. Rojas, H. M. Fahad, A. M. Hussain, R. Ghanem, C. E. Smith, and M. M. Hussain, Flexible and transparent silicon-on-polymer based sub-20 nm non-planar 3D FinFET for brain-architecture inspired computation. Advanced Materials, 26(18), 2794–2799 (2014).
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  • G. A. T. Sevilla, M. T. Ghoneim, H. M. Fahad, J. P. Rojas, A. M. Hussain, and M. M. Hussain, Flexible nanoscale high-performance FinFETs. ACS Nano, 8(10), 9850–9856 (2014).
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  • J. M. Nassar, A. M. Hussain, J. P. Rojas, and M. M. Hussain, Low-cost high-quality crystalline germanium based flexible devices. physica status solidi (RRL) – Rapid Research Letters, 8(9), 794–800 (2014).
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  • J. P. Rojas, G. A. T. Sevilla, M. T. Ghoneim, S. B. Inayat, S. M. Ahmed, A. M. Hussain, and M. M. Hussain, Transformational silicon electronics. ACS Nano, 8(2), 1468–1474 (2014).
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  • M. T. Ghoneim, J. P. Rojas, C. D. Young, G. Bersuker, and M. M. Hussain, Electrical analysis of high dielectric constant insulator and metal gate metal oxide semiconductor capacitors on flexible bulk mono-crystalline silicon. IEEE Transactions on Reliability, 64(2), 579–585 (2014).
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  • J. Prieto Rojas, W. Alqarni, and M. M. Hussain, Rapid Evaluation of Power Degradation in Series Connection of Single Feeding Microsized Microbial Fuel Cells. Energy Technology, 2(8), 673–676 (2014).
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  • J. Mink, J. Rojas, K. Rader, and M. M. Hussain, Role of metal/silicon semiconductor contact engineering for enhanced output current in micro-sized microbial fuel cells. physica status solidi (a), 211(3), 551–554 (2014).
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2013

  • J. Prieto Rojas, M. T. Ghoneim, C. D. Young, and M. M. Hussain, Flexible High-ΞΊ/Metal Gate Metal/Insulator/Metal Capacitors on Silicon (100) Fabric. IEEE Transactions on Electron Devices, 60(10), 3305–3309 (2013).
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  • J. P. Rojas, G. T. Sevilla, and M. M. Hussain, Structural and electrical characteristics of high-k/metal gate metal oxide semiconductor capacitors fabricated on flexible, semi-transparent silicon (100) fabric. Applied Physics Letters, 102(6), 064102 (2013).
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  • J. P. Rojas and M. M. Hussain, Flexible semi-transparent silicon (100) fabric with high-k/metal gate devices. physica status solidi (RRL) – Rapid Research Letters, 7(3), 187–191 (2013).
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  • G. A. T. Sevilla, S. B. Inayat, J. Prieto Rojas, A. M. Hussain, and M. M. Hussain, Flexible and semi-transparent thermoelectric energy harvesters from low cost bulk silicon (100). Small, 9(23), 3916–3921 (2013).
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  • J. P. Rojas, G. A. T. Sevilla, and M. M. Hussain, Can we build a truly high performance computer which is flexible and transparent?. Scientific Reports, 3(1), 2609 (2013).
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2012

  • J. E. Mink, J. P. Rojas, B. E. Logan, and M. M. Hussain, Vertically grown multiwalled carbon nanotube anode and nickel silicide integrated high performance microsized (1.25 Β΅L) microbial fuel cell. Nano Letters, 12(2), 791–795 (2012).
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Conferences & Proceedings

2021

  • J. P. Rojas, A. Hussein, H. AlZaher, and M. Mohandes, Stretchable wearable crowd monitoring system. In 2021 4th International Symposium on Advanced Electrical and Communication Technologies (ISAECT), pp. 1–4, IEEE (2021).
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2019

  • J. P. Rojas, Organic-inorganic heterostructures for stretchable electronics. In Micro-and Nanotechnology Sensors, Systems, and Applications XI, vol. 10982, pp. 161–168, SPIE (2019).
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2018

  • J. P. Rojas, M. U. Rehman, M. A. Albettar, D. Conchouso, A. Arevalo, D. Singh, I. Foulds, and M. M. Hussain, Folding and stretching a thermoelectric generator. In Micro-and Nanotechnology Sensors, Systems, and Applications X, vol. 10639, pp. 56–65, SPIE (2018).
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  • M. M. Hussain, S. F. Shaikh, G. A. T. Sevilla, J. M. Nassar, A. M. Hussain, R. R. Bahabry, S. M. Khan, A. T. Kutbee, J. P. Rojas, M. T. Ghoneim, et al., Manufacturable heterogeneous integration for flexible CMOS electronics. Proceedings of the IEEE, 106(6), 1042–1058 (2018).
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2017

  • M. M. Hussain, J. P. Rojas, D. N. Singh, G. A. T. Sevilla, H. M. Fahad, and S. B. Inayat, Flexible and Stretchable Thermoelectric Generators. In Electrochemical Society Meeting Abstracts 232, pp. 1172–1172, The Electrochemical Society, Inc. (2017).
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2015

  • J. P. Rojas, A. M. Hussain, A. Arevalo, I. G. Foulds, G. A. T. Sevilla, J. M. Nassar, and M. M. Hussain, Transformational electronics are now reconfiguring. In Micro-and Nanotechnology Sensors, Systems, and Applications VII, vol. 9467, pp. 30–36, SPIE (2015).
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  • J. P. Rojas, W. Alqarni, K. Kalantan, M. M. Hussain, and J. Mink, Nano-watt fueling from a micro-scale microbial fuel cell using black tea waste. In 2015 IEEE 15th International Conference on Nanotechnology (IEEE-NANO), pp. 955–958, IEEE (2015).
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  • M. M. Hussain, J. P. Rojas, G. A. T. Sevilla, A. M. Hussain, M. T. Ghoneim, A. N. Hanna, A. T. Kutbee, J. M. Nassar, and M. Cruz, Free form CMOS electronics: Physically flexible and stretchable. In 2015 IEEE International Electron Devices Meeting (IEDM), pp. 19-4, IEEE (2015).
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2014

  • J. M. Nassar, A. M. Hussain, J. P. Rojas, and M. M. Hussain, Transfer-less flexible and transparent high-ΞΊ/metal gate Germanium devices on bulk silicon (100). In 14th IEEE International Conference on Nanotechnology, pp. 176–179, IEEE (2014).
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  • G. A. T. Sevilla, J. P. Rojas, and M. M. Hussain, Brain inspired high performance electronics on flexible silicon. In 2014 10th Conference on Ph. D. Research in Microelectronics and Electronics (PRIME), pp. 1–4, IEEE (2014).
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  • M. Ghoneim, J. P. Rojas, A. Kutbee, A. Hanna, and M. Hussain, CMOS compatible generic batch process towards flexible memory on bulk monocrystalline silicon (100). In 8th International Conference on Electrical and Computer Engineering, pp. 655–658, IEEE (2014).
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  • J. P. Rojas, G. A. T. Sevilla, M. T. Ghoneim, A. M. Hussain, S. M. Ahmed, J. M. Nassar, R. R. Bahabry, M. Nour, A. T. Kutbee, E. Byas, et al., Transformational electronics: a powerful way to revolutionize our information world. In Micro-and Nanotechnology Sensors, Systems, and Applications VI, vol. 9083, pp. 317–324, SPIE (2014).
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  • S. M. Ahmed, A. M. Hussain, J. P. Rojas, and M. M. Hussain, Solid state MEMS devices on flexible and semi-transparent silicon (100) platform. In 2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS), pp. 548–551, IEEE (2014).
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2013

  • G. T. Sevilla, J. P. Rojas, S. Ahmed, A. Hussain, S. B. Inayat, and M. M. Hussain, Silicon fabric for multi-functional applications. In 2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII), pp. 2636–2639, IEEE (2013).
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2012

  • J. P. Rojas and M. M. Hussain, Sub-15 nm nano-pattern generation by spacer width control for high density precisely positioned self-assembled device nanomanufacturing. In 2012 12th IEEE International Conference on Nanotechnology (IEEE-NANO), pp. 1–5, IEEE (2012).
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  • J. P. Rojas, A. Syed, and M. M. Hussain, Mechanically flexible optically transparent porous mono-crystalline silicon substrate. In 2012 IEEE 25th International Conference on Micro Electro Mechanical Systems (MEMS), pp. 281–284, IEEE (2012).
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2010

  • M. M. Hussain, H. Fahad, J. P. Rojas, M. Hasan, A. Talukdar, J. Oommen, and J. Mink, Self-powered integrated systems-on-chip (energy chip). In Micro-and Nanotechnology Sensors, Systems, and Applications II, vol. 7679, pp. 321–327, SPIE (2010).
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Book Chapters

2019

  • J. P. Rojas, Reconfigurable electronics. In Handbook of Flexible and Stretchable Electronics, CRC Press, pp. 399–414 (2019).
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Patents & Dissertations

2016

  • M. M. Hussain, H. M. Fahad, and J. P. Rojas, Apparatus, system, and method for on-chip thermoelectricity generation. US Patent 9,515,245 (2016).
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2015

  • M. M. Hussain, H. M. Fahad, C. E. Smith, and J. P. Rojas, Cylindrical-shaped nanotube field effect transistor. US Patent 9,224,813 (2015).
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2014

  • M. M. Hussain and J. P. Rojas, Method for producing mechanically flexible silicon substrate. US Patent App. 14/238,526 (2014).
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2010

  • J. P. Rojas, Advanced Nanofabrication Process Development for Self-Powered System-on-Chip. PhD Dissertation, King Abdullah University of Science and Technology (KAUST) (2010).
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