1. Publication in International and National Refereed Journals
(a) Indexed ISI Journals:
- Ahmad M.H., Ahmad H., Bashir N., Arief Y.Z., Kurnianto R., Yusof F., Abdul-Malek Z., Darus A., ’A new statistical ranking of tree inception voltage distribution of silicone rubber and epoxy resin under AC voltage excitation’, International Review of Electrical Engineering (I.R.E.E.), Vol. 6, No.4, Jul-Aug 2011, pp1768-1774. (IF: 1.36)
- Ahmad M.H., Bashir N., Ahmad H., Piah M.A.M., Abdul-Malek, Z., Yusof, F., ‘Statistical analysis of electrical tree inception voltage, breakdown voltage and tree breakdown time data of unsaturated polyester resin’, Journal of Electrical Engineering and Technology, 8(4), pp. 840-849, 2013. (IF: 0.736, Q4)
- E. Akbari, Z. Buntat, M.H. Ahmad, A. Enzevaee, R. Yusof, S.M. Z. Iqbal, M.T. Ahmadi, and M.A.B. Sidik, “Analytical Calculation of Sensing Parameters on Carbon Nanotube Based Gas Sensors”, Sensors, Vol. 14. No. 3. pp. 5502-5515. 2014. (IF:2.02, Q2)
- F. N. Musa, N. Bashir, M. H. Ahmad, Z. Buntat, “Electrical treeing in high voltage insulations: a review on nanocomposite insulating materials and their processing techniques”, Journal of Optoelectronics and Advanced Materials, Vol 17, No. 3-4, pp. 462-476, 2015. (IF:0.631, Q4)
- M.H. Ahmad, N. Bashir, Z. Buntat, Y.Z. Arief, A.A. Abd Jamil, M.A. M.Piah, A.A. Suleiman, S. Dodd, N. Chalashkanov, “Temperature Effect on Electrical Treeing and Partial Discharge Characteristics of Silicone Rubber-Based Nanocomposites”, Journal of Nanomaterials, Vol. 2015, pp. 1-13. (IF:1.980, Q2)
- M.S. Ahmad Kamal, N. Bashir, M.H. Ahmad, Z. Bamalli, “Dielectric properties and oxidation stability assessment of vegetable-based oils as insulation for power transformers”, Journal of Optoelectronics and Advanced Materials, Vol 17, No. 9-10, pp. 1582-1588, 2015. (IF:0.631, Q4)
- Aulia, M.H. Ahmad, Z. Abdul-Malek, Y.Z. Arief, K. Y. Lau, Novizon, ” Partial Discharge Characteristics in LLDPE-Natural Rubber Blends:Correlating Electrical Quantities with Surface Degradation”, Journal of Electrical Engineering and Technology, Vol. 11, No. 3, pp. 699-706, 2016. (IF: 0.736, Q4)
- F. N. Musa, N. Bashir, M.H. Ahmad, Z. Buntat, “Investigating the Influence of Plasma-treated SiO2 Nanofillers on the Electrical Treeing Performance of Silicone-rubber-based Insulations”, Applied Sciences, Vol. 6, Issue 11, pp. 1-12, 2016. (IF: 1.689, Q3)
- PA Sharad, KS Kumar, MH Ahmad, MAM Piah, “Space charge and conductivity measurement of XLPE nanocomposites for HVDC insulation–permittivity as a nanofiller selection parameter”, IET Science, Measurement & Technology, Volume 12, Issue 8, November 2018, p. 1058 – 1065. (IF: 1.975, Q2)
- F Baharuddin, IH Zakaria, MH Ahmad, Z Nawawi, Aulia, MAB Sidik, MI Jambak, “Effect of Surfactant on Breakdown Strength Performance of Transformer Oil-Based Nanofluids”, Journal of Electrical Engineering and Technology, Vol. 14, No.1, pp. 395-405, 2019. (IF: 0.736, Q4)
- C L G Pavan Kumar, Mohd Hafizi Ahmad, M A M Piah, Muhammad Yusof, “Fiber Optic Acoustic Sensor Based on SMS Structure With Thin Polymer Diaphragm for Partial Discharge Detection”, IEEE Access ( Volume: 8), pages no: 188044 – 188055, 2020 (IF: 3.745, Q1)
- Rai Naveed Arshad, Zulkurnain Abdul-Malek, Abdullah Munir, Zolkafle Buntat, Mohd Hafizi Ahmad, Yanti MM Jusoh, Alaa El-Din Bekhit, Ume Roobab, Muhammad Faisal Manzoor, Rana Muhammad Aadil, “Electrical systems for pulsed electric field applications in the food industry: An engineering perspective”, Trends in Food Science & Technology, Volume 104, October 2020, Pages 1-13. (IF: 11.077, Q1)
- Rai Naveed Arshad, Zulkurnain Abdul‐Malek, Ume Roobab Muhammad Imran Qureshi, Nohman Khan, Mohd Hafizi Ahmad, Zhi‐Wei Liu, Rana Muhammad Aadil, “Effective valorization of food wastes and by‐products through pulsed electric field: A systematic review, Journal of Food Process Engineering, Volume 44, Issue 3, March 2021, pp. 1-14. (IF: 1.703, Q4)
- S. M. Saimon et al., “Simultaneous Measurement of High Refractive Index and Temperature Based on SSRS-FBG,” IEEE Photonics Technol. Lett., vol. 33, no. 14, pp. 715–718, 2021, (IF: 2.468, Q2)
- N. M. Saman, I. H. Zakaria, M. H. Ahmad, and Z. Abdul-Malek, “Effects of plasma treated alumina nanoparticles on breakdown strength, partial discharge resistance, and thermophysical properties of mineral oil-based nanofluids,” Materials (Basel)., vol. 14, no. 13, pp. 1–28, 2021. (IF: 3.623, Q1)
- N. M. Saman, M. H. Ahmad, and Z. Buntat, “Application of Cold Plasma in Nanofillers Surface Modification for Enhancement of Insulation Characteristics of Polymer Nanocomposites: A Review,” IEEE Access, vol. 9, pp. 80906–80930, 2021. (IF: 3.367, Q1)
- Saimon SM, Mohd Noor MY, Azmi AI, Abdullah AS, Ibrahim MH, Salim MR, MH Ahmad, et al. Single-Mode-Multimode Silica Rod-Single-Mode High Refractive Index Fiber Sensor. IEEE Sens J. 2022 Jun 1;22(11):10559–66. (Q2, IF: 4.325)
- Saimon SM, Mohd Noor MY, Azmi AI, Abdullah AS, Ibrahim MH, Ahmad MH, et al. A High Sensitivity Refractive Index Sensor Based on Leaky Mode Coupler of MMI. IEEE Photonics Technology Letters. 2022 Jan 1;34(1):63–6. (Q2, IF: 2.414)
- N. M. Saman, M. H. Ahmad, and Z. Buntat, “Experimental Analysis of Cold Plasma with Glow Discharge Mechanism Under a Variety of Input Parameters,” IEEE Transactions on Plasma Science, vol. 50, no. 7, pp. 2110–2125, Jul. 2022. (Q4, IF: 1.222).
- N. M. Saman, C. L. G. P. Kumar, M. H. Ahmad, Z. Nawawi, M. A. B. Sidik, and M. I. Jambak, “Barrier Effect on Electrical Tree Growth Characteristics in Silicone Rubber,” Journal of Electrostatics, vol. 115, p. 103682, Jan. 2022. (Q3, IF: 1.775).
- N. M. Saman, N. ‘A. Awang, M. H. Ahmad, M. U. Wahit, Z. Buntat, and N. Chalashkanov, “Plasma Treated Low-Density Polyethylene Nanocomposites: Investigation of Partial Discharge and Breakdown Strength,” IEEE Transactions on Nanotechnology, vol. 21, pp. 778-788, Dec. 2022. (Q2, IF: 2.570)
- N. M. Saman, M. H. Ahmad, Z. Buntat, and M. U. Wahit, “Enhancement of Partial Discharge Resistant Characteristics of XLPE Nanocomposites Using Plasma Treatment Technique,” IEEE Transactions on Dielectrics and Electrical Insulation, vol. 30, no. 01, pp. 336–344, Feb. 2023. (Q2, IF: 2.931)
- Nurul Iman Abdul Razak, Noor Izyan Syazana Mohd Yusoff, Mohd Hafizi Ahmad, Muzafar Zulkifli, Mat Uzir Wahit, “Dielectric, Mechanical, and Thermal Properties of Crosslinked Polyethylene Nanocomposite with Hybrid Nanofillers”, Polymers, Vol. 15, Issue No. 7, pp: 1-18, March 2023. (Q1, IF: 5.0)
- LG Pavan Kumar Chaganti, Norhafezaidi Mat Saman, Mohd Hafizi Ahmad, Muhammad Yusof Mohd Noor, Asrul Izam Azmi, “PVAc based SCMS optical fiber humidity sensor and its application in transformer oil”, Optical Fiber Technology, Vol. 80, pp. 103439. October 2023. (Q2, IF: 2.7)
- Zulbirri Faizol, Farid Zubir, Zubaida Yusoff, Norhafezaidi Mat Saman, Mohd Hafizi Ahmad, Mohamad Kamal A Rahim, Osman Ayop, Muzammil Jusoh, Huda A Majid, “Detection Method of Partial Discharge on Transformer and Gas Insulated Switchgear: A Review”, Applied Sciences, Vol. 13, pp. 1-28, 2023, (Q2, IF: 2.7)
(b) Indexed Scopus Journals:
- M.H. Ahmad, H. Ahmad, Y.Z. Arief, and R. Kurnianto, “Effects of Oil Palm Shell Filler on Inception and Propagation of Electrical Treeing in Silicone Rubber Composite Material Under AC Voltage” , International Review on Modelling and Simulations (IREMOS),Praise Worthy Prize, Vol 4 n.2, Part A, April 2011, pp. 653-660.
- Ahmad M.H., Ahmad H., Bashir N., Arief Y.Z., Abdul-Malek, Z.,Kurnianto R., Yusof F. ,’A new statistical approach for analysis of tree inception voltage of silicone rubber and epoxy resin under AC ramp voltage’, International Journal on Electrical Engineering and Informatics, 4(1) , pp. 27-39, 2012.
- A.A.A. Jamil, M.H. Ahmad, Y.Z. Arief, M. Kamarol, M. Mariatti, N. Bashir, and M.A.M. Piah,” Electrical Tree Growth in Silicone Rubber/Organo-Montmorillonite Nanocomposites under AC Voltage”, Jurnal Teknologi, Vol. 64, No. 4, pp. 23-26, 2013.
- M.H.I. Saad, M.H. Ahmad, Y.Z. Arief, M.A.M. Piah, and H. Ahmad, “Influence of Organo-Montmorillonite on Electrical Tree Parameters in Epoxy Resin under AC Ramp Voltage “, Jurnal Teknologi, Vol. 64, No. 4, pp. 103-107, 2013
- M.H. Ahmad, N. Bashir, H. Ahmad, A. A. A. Jamil, A. A. Suleiman “An Overview of Electrical Tree Growth in Solid Insulating Material with Emphasis of Influencing Factors Mathematical Models and Tree Suppression”, TELKOMNIKA, Vol. 12, No. 8, 5827-5846, 2014.
- H. M. Yusoff, Y. Z. Arief, Z. A. Noorden, Z. Adzis, N. Bashir, N. A. Muhamad, M. H. Ahmad, M. A. B. Sidik, “Development of A Remote Accessible Electrical Power Measuring System for Domestic Customer”, Jurnal Teknologi, Vol 77, No. 12, pp. 105-108, 2015.
- E. P. Waldi, A.Aulia, A. Hazmi, H. Abral, S. Arief, M.H. Ahmad, “An optimized method of partial discharge data retrieval technique for phase resolved pattern”,TELKOMNIKA Telecommunication, Computing, Electronics and Control, Vol. 14, No. 1, pp. 21-28, 2016.
- H. Ahmad, M.H. Ahmad, N.A. Awang, I.Z. Zakaria, ” Quantitative Analysis of Plant Growth Exposed to Electric Fields”, TELKOMNIKA Telecommunication, Computing, Electronics and Control, Vol. 14, No. 2, pp. 390-403, 2016. .
- Darwison, S. Arief, H. Abral, A. Hazmi, M. H. Ahmad, and Aulia, “Thermal image, partial discharge and leakage current correlation of ceramic insulator under different contamination level,” ARPN J. Eng. Appl. Sci., vol. 12, no. 18, pp. 5235–5240, 2017.
- E. P. Waldi, M. H. Ahmad et al., “Automatic threshold of standard deviation to reject noise in raw data of partial discharges,” ARPN J. Eng. Appl. Sci., vol. 12, no. 18, pp. 5319–5324, 2017.
- M. S. M. Fua’ad, M. H. Ahmad, Y. Z. Arief, and N. A. Ahmad, “Fractal Characteristic of Electrical Trees Grown in Silicone Rubber under Environmental Stress,” Int. J. Electr. Comput. Eng., vol. 7, no. 3, p. 1628-1632, 2017.
- H. Zakaria, M. H. Ahmad, Y. Z. Arief, N. A. Awang, and N. A. Ahmad, “Characteristics of mineral oil-based nanofluids for power transformer application,” Int. J. Electr. Comput. Eng., vol. 7, no. 3, pp. 1530–1537, 2017.
- N. ‘Aliaa Awang, M.H. Ahmad, et al., “Effect of Humidity on Partial Discharge Characteristics of Epoxy/Boron Nitride Nanocomposite under High Voltage Stress,” Int. J. Electr. Comput. Eng., vol. 7, no. 3, p. 1562-1567, 2017.
- Mohammad Syamim Mohammad Basri, Lailatul Akmal Abdul Rauf, Mohd Hafizi Ahmad, Noor Azlinda Ahmad, Yanuar Z. Arief, “Measurement of Dielectric Properties of Low-Density Polyethylene Nanocomposite Using ‘Sub-Hertz’ Dielectric Spectroscopy,” TELKOMNIKA, vol. 15, no. 2, pp. 971–976, 2017.
- Hazirah Zakaria, M. H. Ahmad, et al., “Self-Healing Properties of Silicone Rubber against Relative Humidity and Nanofiller,” Indones. J. Electr. Eng. Comput. Sci., vol. 6, no. 1, p. 166, 2017.
- N. A. Awang, M. H. Ahmad, Y. Z. Arief, I. H. Zakaria, and N. A. Ahmad, “The effect of plasma-treated boron nitride on partial discharge characteristics of LDPE,” Int. J. Electr. Comput. Eng., vol. 7, no. 2, pp. 568–575, 2017.
- S.S. A. Wahid, M.H. Ahmad, et.al., “Experimental Investigation on Vegetative Oils under Accelerated Thermal Ageing against Their Dielectric Strength”, International Journal of Electrical and Computer Engineering, Vol. 7, No. 3, pp. 1588-1593, 2017.
- R. F. Kurnia, N. M. Saman, M. H. Ahmad, Z. Nawawi, N. A. Azrin, and M. A. Talib, “Partial Discharge Study of Non-Woody Kenaf Based Pressboard Under Influence of Moisture,” Indonesian Journal of Electrical Engineering and Computer Science, vol. 28, no. 3, pp. 1309–1321, Dec. 2022. (Scopus).
- R. F. Kurnia, N. M. Saman, N. A. Awang, M. H. Ahmad, Z. Buntat, and Z. Adzis, “Enhancement of Partial Discharge Resistance and Breakdown Strength Characteristics of Low-Density Polyethylene Nanocomposites Using Plasma Treatment Method,” International Journal on Electrical Engineering and Informatics, vol. 14, no. 3, pp. 662–681, Sep. 2022. (Scopus)
- R. F. Kurnia, N. M. Saman, A. H. M. Nasib, M. H. Ahmad, Z. Buntat, and Z. Adzis, “Electrical Tree Endurance Correlated to the Partial Discharge Characteristics of Silicone Rubber Containing Silica Nanoparticles,” International Journal on Electrical Engineering and Informatics, vol. 14, no. 4, pp. 827–840, Dec. 2022. (Scopus).
(c) Non-indexed journals
- M.H. Ahmad, M.F. Dolmat, N. Bashir, H. Ahmad, and A.A.A. Jamil, “Effects of Oil Palm Empty Fruit Bunch Filler on the Electrical Tree Propagation in Silicone Rubber”, APBCEE Procedia, Elsevier, Vol. 1, No. 3, pp. 147 – 153, 2012.
- M.H.I. Saad, M.H. Ahmad, Y.Z. Arief, H. Ahmad, and M.A.M. Piah, “Electrical Treeing and Morphological Analysis of Epoxy Nanocomposites with Different Concentrations of Silica Nanofillers”, Advanced Materials Research (AMR), Vol. 832, pp. 567-572. 2014.
- A.A. Abd. Jamil, M.H. Ahmad, M. Kamarol, M. Mariatti, and M.A.M. Piah, “Short-term Breakdown in Silicone Rubber Based Nanocomposites Caused by Electrical Treeing”, Advanced Materials Research (AMR), Vol. 845, pp. 482-486, 2014
- C.N. Saniyyati, Y.Z. Arief, Z. Adzis, N.A. Muhamad, M.H. Ahmad, M.A.B. Sidik, K.Y. Lau, “Water Tree in Polymeric Cables: A Review”, Malaysian Journal of Fundamental and Applied Sciences, Vol. 11, No. 4, pp. 191-200, 2015.
- M. A. Kamaruddin, Y.Z. Arief, M.H. Ahmad, “Energy Analysis of Efficient Lighting System Design for Lecturing Room Using DIAlux Evo 3”, Vol. 818, pp. 174-178, 2016.
- Muhammad Abu Bakar Sidik, Djulil Amri, Muhammad Irfan Jambak, Dinda Sintia Dewi, Rizda Fitri Kurnia, Gina Rizky Lestari, Mohd Hafizi Ahmad “Comsol Multiphysics Application For Estimating Ozone Concentration In A Chamber With Plane Electrodes”, Vol. 3, No. 2, pp. 209-214, 2022.
- Norhafezaidi Mat Saman, Norzanah Rosmin, Mohd Hafizi Ahmad, Izzah Hazirah Zakaria, Zolkafle Buntat, Nurulaqilla Khamis, and Zulkurnain Abdul-Malek, “Surface Modification Of Nanoparticles Using Plasma Technology To Enhance The Insulation Properties And Stability Of Nanofluids: A Review”, Journal of Energy and Safety Technology, Vol. 6, No. 2, pp. 33 -48, 2023.
2. Conferences Papers (International and Local):
(a) Indexed Conferences:
- A.A. Abd Jamil, M.H. Ahmad, M. Kamarol, Y. Z. Arief, M. Mariatti, and M.U. Wahit, “Organo-Montmorillonite as an Electrical Treeing Retardant for Polymeric Insulating Materials”, 2012 IEEE International Conference on Condition Monitoring and Diagnosis (CMD2012), 23-27 September 2012, Bali, Indonesia, pp. 237-240.
- M.H. Ahmad, H. Ahmad, N. Bashir, A.A. Abd Jamil, M.A.M. Piah, Z.A. Malek, and S.J. Dodd, “Electrical Treeing in Silicone Rubber/Organo Montmorillonite”, IEEE International Conference On Electrical Insulation And Dielectric Phenomena, Montreal (CEIDP2012), Montreal, Canada, October 14-17, 2012, 898–901.
- A.A. Abd Jamil, M. Kamarol, M. Mariatti, N. Bashir, Y.Z. Arief, M.H. Ahmad, M.A.M. Piah, and M.U. Wahit, “Electrical Performance of Silicone Rubber/Organo-Montmorillonite Nanocomposites under High Voltage Application”, 2012 IEEE International Conference on Power and Energy, 2-5 December 2012 (PECON2012),Sabah, Malaysia. pp. 712-715.
- H. Ahmad, and M.H. Ahmad, “Effects of Acidic and Salinity Level to the Water Treeing in Cross linked Polyethylene Insulation Material”, the 9th International Power and Energy Conference (IPEC2010), Suntec City, Singapore, 27-29 October 2010, pp. 57-61.
- M.H. Ahmad, H. Ahmad, N. Bashir, Y.Z. Arief, R. Kurnianto, and Z. Abdul-Malek“, Statistical Study of Tree Inception Voltage of Silicone Rubber and Epoxy Resin”, The 3rd International Conference on Electrical Engineering and Informatics (ICEEI2011), 17-19 July, Bandung, Indonesia, pp. 1-6, 2011.
- M.H. Ahmad, M.F. Dolmat, H. Ahmad, N. Bashir, Y.Z. Arief, Z.A. Malek, and A.A.A. Jamil, “Effects of Oil Palm Empty Fruit Bunch Filler on Electrical Tree Propagation in Epoxy Resin”, IEEE International Conference on High Voltage Engineering and Application (ICHVE2012), Shanghai, China, September 17-20, pp. 243-246, 2012.
- M.H. Ahmad, N.M. Chalashkanov, S.J. Dodd, M.A.M. Piah, N. Bashir, and Y.Z. Arief, “Temperature Dependance of PD from Electrical Trees Grown in Silicone Rubber based Nanocomposites”, IEEE International Conference on Solid Dielectrics (ICSD2013), Bologna, Italy, June,30 – July,4, pp. 816-819, 2013.
- N.M. Chalashkanov, S.J. Dodd, L.M. Salvatiera, L.A. Dissado and M.H. Ahmad, “Pulse Sequence Analysis (PSA) on PD Data from Electrical Trees Grown in Various Materials”, IEEE International Conference On Electrical Insulation And Dielectric Phenomena (CEIDP2013), Shenzhen, China, October 20-23, pp. 813-816, 2013.
- A.A. Abd Jamil, N. Bashir, M.H. Ahmad, Y.Z. Arief, M. Kamarol, M. Mariatti, “Electrical Treeing Initiation and Propagation in Silicone Rubber Nanocomposites”, IEEE International Conference on Electrical Insulation And Dielectric Phenomena (CEIDP2013), Shenzhen, China, October 20-23, pp. 502-505, 2013.
- M. Musa, Y.Z. Arief, Z. Abdul-Malek, M.H. Ahmad, and A.A. Abd Jamil, “Influence of Nano-Titanium Dioxide (TiO2) on Electrical Tree Characteristics in Silicone Rubber Based Nanocomposite”, IEEE International Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2013), Shenzhen, China, October 20-23, pp. 498-501, 2013.
- C.N. Saniyyati, Y.Z. Arief, M.H. Ahmad, M.A.M. Piah, Z. Adzis, A.A. Suleiman, N.A. Muhammad, “Investigation on Propensity Difference of Water Tree Occurrences in Polymeric Insulating Materials”, 2014 IEEE 8th International Power Engineering and Optimization Techniques (PEOCO2014), 24-25 March 2014, Langkawi, Malaysia, 2014.
- Yanuar Z Arief, M. H. Ahmad, KY Lau, Nor Asiah Muhamad, Nouruddeen Bashir, Noor Khairin Mohd, Lim Wen Huey, Yeong Shoon Kiat, Shakira Azeehan Azli, “A comparative study on the effect of electrical ageing on electrical properties of palm fatty acid ester (PFAE) and FR3 as dielectric materials”, 2014 IEEE International Conference on Power and Energy (PECon), Kuching, Malaysia, December 1-3, 2014, pp. 128-133
- A Johari, AA Suleiman, N Bashir, NA Muhamad, M.H. Ahmad, IM Inuwa, “Performance of biodegradable insulating oil under accelerated thermal ageing”, 2014 IEEE International Conference on Power and Energy (PECon), Kuching, Malaysia, December 1-3, 2014, pp. 9-12.
- N. Awang, Y. Z Arief, S. Yahya, KY Lau, M. H. Ahmad, N. A. Muhamad, N. Bashir, S. H. Rhaif, A.Z. Abdulameer,”Experimental investigation on partial discharge characteristics of epoxy-nanocomposite as high voltage insulation material”, 2014 IEEE International Conference on Power and Energy (PECon), Kuching, Malaysia, December 1-3, 2014, pp. 146-149.
- A. Aulia, Y. Z. Arief, Z. Abdul-Malek, N. A. Muhamad, M. H. Ahmad, and M. Z. H. Makmud, “Partial discharge monitoring technique for research purpose on solid insulating material,” in 2015 IEEE Conference on Energy Conversion, CENCON 2015, 2016, pp. 106–111.
- H. Ahmad, M.H. Ahmad et al., “Evaluation of transmission line insulator for I-Type string insulator design,” in PECON 2016 – 2016 IEEE 6th International Conference on Power and Energy, Conference Proceeding, 2017, pp. 50–53.
- F. N. Musa, N. Bashir, and M. H. Ahmad, “Electrical treeing performance of plasma-treated silicone rubber-based nanocomposites,” in ICHVE 2016 – 2016 IEEE International Conference on High Voltage Engineering and Application, 2016.
- I. H. Zakaria, M. H. Ahmad, M. A. B. Sidik, Z. Nawawi, and M. I. Jambak, “AC Breakdown Strength Performance of Plasma Treated Mineral Oil-Based Nanofluids,” in International Conference on Electrical Engineering and Computer Science (ICECOS) 2017, 2017, pp. 333–337.
- N. A. Awang, M.H. Ahmad et al., “AC Breakdown Strength Enhancement of LDPE Nanocomposites Using Atmospheric Pressure Plasma,” in International Conference on Electrical Engineering and Computer Science (ICECOS) 2017, 2017, pp. 290–294.
- NA Azrin, MH Ahmad, MAM Piah, MA Talib, MAB Sidik, Z Nawawi, “Partial discharge characteristics of oil-impregnated Kenaf based pressboard”, Research and Development (SCOReD), 2017 IEEE 15th Student Conference on, 366-370.
- NA Azrin, MQ Safie, MH Ahmad, MAM Piah, MAB Sidik, Z Nawawi, “Partial discharge characteristics of aged oil-impregnated paper under high humidity level”, Research and Development (SCOReD), 2017 IEEE 15th Student Conference on, 398-401.
- CLG Pavan Kumar, NH Abdul Khalid, MH Ahmad, Z. Nawawi, MAB SIdik, MI Jambak, RF Kurnia, EP Waldi, Aulia, “Development and validation of rogowski coil with commercial high frequency current transformer for partial discharge detection” 2nd IEEE International Conference on Electrical Engineering and Computer Science (ICECOS), 02-04 October 2018, Bangka, Indonesia, pp. 1-5.
- CLG Pavan Kumar, I Arizu, MH Ahmad, Z. Nawawi, MAB SIdik, MI Jambak, RF Kurnia, MY Mohd Noor, AI Azmi, “Acoustic Partial Discharge Detection Using Low-cost Pre-amplified Piezoelectric Transducer and Coated Optical Fiber Sensor”, 2nd IEEE International Conference on Electrical Engineering and Computer Science (ICECOS), 02-04 October 2018, Bangka, Indonesia, pp. 1-4.
- AHM Nasib, MH Ahmad, ZNawawi, MAB Sidik, MI Jambak, RF Kurnia, “Silicone Rubber Nanocomposites filled with Silicone Nitride and Silicone Dioxide Nanofillers: Comparison of Electrical Treeing and Partial Discharge Characteristics”, 2018 IEEE 7th International Conference on Power and Energy (PECon), 3-4 December 2018, Kuala Lumpur, Malaysia, pp. 1-5, 2018.
- M.H. Ahmad, A.A. Abd Jamil, H. Ahmad, Y.Z. Arief, and A. Darus, “Experimental Investigation on Tree Inception Voltage of EFB/SIR Leaf-Like Specimen”, Proceedings of National Science Postgraduate Conference (NSPC2011), Johor Bahru, 15-17 November, pp. 625-630, 2011.
- M. H. Ahmad, A. A. A. Jamil, H. Ahmad, M. A. M. Piah, A. Darus, Y. Z. Arief, N. Bashir, “Oil Palm Empty Fruit Bunch as a New Organic Filler for Electrical Tree Inhibition”, Proceeding of World Academy of Science, Engineering and Technology, Vol. 62, pp. 335-340.2012.
- A.A. Abd Jamil, M. Kamarol, M. Mariatti, Y.Z. Arief, N. Bashir, M.H. Ahmad, “Studies of Electrical Treeing in Silicone Rubber/Silicone Dioxide Nanocomposites”, 4th Electrical and Electronics Postgraduate Colloquium, Perak, Malaysia, August 18-20, 2013.
- A.A. Abd Jamil, N. Bashir, M.H. Ahmad, Y.Z. Arief, M. Kamarol, M. Mariatti, “Electrical Treeing Initiation and Propagation in Silicone Rubber Nanocomposites”, The Regional Conference of Solid State Science and Technology (RCSSST2013), 20-22 December 2013, Sabah, Malaysia, 2013.
- M. A. Kamaruddin, Y. Z. Arief, M. H. Ahmad, “Energy Analysis of Efficient Lighting System Design For Lecturing Room Using DIALUX EVO 3”, 2014 International Conference on Energy and Thermal Sciences, October 1, 2014, pp. 1-5.
- F.N. Musa, N. Bashir, M.H. Ahmad, “Electrical Tree Growth Performances of Plasma Treated Silicone Rubber based Nanocomposites” 10th South East Asian Technical University Consortium Symposium SEATUC 2016, Tokyo, Japan, 23-24 February 2016. Pp. 1-4, 2016.
- Z. Adzis, M.T. Kamaruddin, Y.Z. Arief, M.H. Ahmad, I.H. Zakaria, “Effect of Humidity and Nanofiller On Self-Healing Properties Of Silicone Rubber”, 10th South East Asian Technical University Consortium Symposium SEATUC 2016, Tokyo, Japan, 23-24 February 2016. Pp. 1-4, 2016.
- Y.Z. Arief, M.H. Ahmad, N.A. Muhamad, R. Kurnianto, N. A. Awang, R. Patsch, “Partial Discharge Characteristics of Low-Density Polyethylene and Effect of Nanofiller Using Pulse Sequence Analysis “, 10th South East Asian Technical University Consortium Symposium SEATUC 2016, Tokyo, Japan, 23-24 February 2016. Pp. 1-4, 2016.
- N.A. Muhamad, M.F.H. Mohd Taib, A.A. Abdullahamed, Y.Z. Arief, M.H. Ahmad, Z. Adzis, “Effect of Accelerated Thermal Ageing On Electrical Properties of Vegetative Oil Under High Voltage Stress “, 10th South East Asian Technical University Consortium Symposium SEATUC 2016, Tokyo, Japan, 23-24 February 2016. Pp. 1-4, 2016.
- Z. Nawawi, MAB Sidik, MI Jambak, N Ahmad, MH Ahmad, CLG Pavan Kumar, EP Waldi, Aulia, “Design and Implementation of Microstrip Patch Ultra-wide Band Antenna for Detection of UHF Partial Discharge”, Conference on Innovation in technology and Engineering Science, 8-9 November 2018, Padang, Indonesia, pp. 1-9, 2018.
- E P Waldi, A Y Frenzi, R Fernandez, Darmawan, Darwison, H D Laksono, Aulia, Novizon, A Hazmi, H Abral, S Arief, Z Nawawi, M H Ahmad, N Hozumi, “Development of HFCT for Partial Discharge Sensor”, Conference on Innovation in technology and Engineering Science, 8-9 November 2018, Padang, Indonesia, pp. 1-10, 2018.
- Aulia, Eka Putra Waldi, Darwison, Novizon, M Heru Setiawan, Dwi Gustiono, Dody, Andi Winarto, Yoggi Nugraha, M H Ahmad, Zainuddin Nawawi, M Abubakar Sidik, “Partial Discharge Pulses Characteristics of LDPE-NR Bionanopolymer as The Electrical Insulation under AC Voltage” Conference on Innovation in technology and Engineering Science, 8-9 November 2018, Padang, Indonesia, pp. 1-6, 2018.
- Novizon, Z Abdul Malek, Syafii, M H Ahmad, Aulia, S Aliffianti Ulfiah, “Condition Based Monitoring of Gapless Surge Arrester Using Electrical and Thermal Parameters”, Conference on Innovation in technology and Engineering Science, 8-9 November 2018, Padang, Indonesia, pp. 1-8, 2018.
- Aulia, Eka Putra Waldi, M Heru Setiawan, Dwi Gustiono, Darwison, Novizon, Yoggi, Nugraha, Abdurrahman, M H Ahmad, Zainuddin Nawawi, “The Tensile Properties of Alumina dan Silica Bionanocomposite Material for High Voltage Insulation”, Conference on Innovation in technology and Engineering Science, 8-9 November 2018, Padang, Indonesia, pp. 1-7, 2018.
- Novizon, Z Abdul Malek, M H Ahmad, E P Waldi, H D Laksono, N Riska, “Power Loss Estimation of Polymeric Housing Surge Arrester using Leakage Current and Temperature Approach”, Conference on Innovation in technology and Engineering Science, 8-9 November 2018, Padang, Indonesia, pp. 1-9, 2018.
- Aulia, Eka Putra Waldi, Darwison, Mahendra Anggaravidya, Novizon, M Heru, Setiawan, Yoggi Nugraha, Abdurrahman, M H Ahmad, Irfan Jambak, “Partial Discharge Characteristics of Nanosilica Biopolymer under AC Voltage”, Conference on Innovation in technology and Engineering Science, 8-9 November 2018, Padang, Indonesia, pp. 1-6, 2018.
- E P Waldi, A Y Frenzi, R Fernandez, Darmawan, Darwison, H D Laksono, Aulia, A Hazmi, H Andre, H Abral, S Arief, Z Nawawi, M H Ahmad, N Hozumi, “Development of Rogowski Coil Sensor for Partial Discharge Detection”, Conference on Innovation in technology and Engineering Science, 8-9 November 2018, Padang, Indonesia, pp. 1-8, 2018.
- CLG Pavan Kumar, NH Abdul Khalid, MH Ahmad, Z. Nawawi, MAB SIdik, MI Jambak, RF Kurnia, EP Waldi, Aulia, “Development and validation of rogowski coil with commercial high frequency current transformer for partial discharge detection” 2nd IEEE International Conference on Electrical Engineering and Computer Science (ICECOS), 02-04 October 2018, Bangka, Indonesia, pp. 1-5.
- CLG Pavan Kumar, I Arizu, MH Ahmad, Z. Nawawi, MAB SIdik, MI Jambak, RF Kurnia, MY Mohd Noor, AI Azmi, “Acoustic Partial Discharge Detection Using Low-cost Pre-Amplified Piezoelectric Transducer and Coated Optical Fiber Sensor”, 2nd IEEE International Conference on Electrical Engineering, 02-04 October 2018, Bangka, Indonesia, pp. 1-5.
- AHM Nasib, MH Ahmad, ZNawawi, MAB Sidik, MI Jambak, RF Kurnia, “Silicone Rubber Nanocomposites filled with Silicone Nitride and Silicone Dioxide Nanofillers: Comparison of Electrical Treeing and Partial Discharge Characteristics”, 2018 IEEE 7th International Conference on Power and Energy (PECon), 3-4 December 2018, Kuala Lumpur, Malaysia, pp. 1-5, 2018.
- N. M. Saman, M. H. Ahmad, Z. Buntat, Z. Nawawi, M. A. B. Sidik, and M. I. Jambak, “Plasma Plasma Jet System with Glow Discharge Mechanism for Nanoparticle Surface Treatment: A Simulation Study,” ICECOS 2019 – 3rd Int. Conf. Electr. Eng. Comput. Sci. Proceeding, pp. 58–62, 2019.
- N. M. Saman, M. H. Ahmad, Z. Buntat, Z. Nawawi, M. A. B. Sidik, and M. I. Jambak, “Partial Discharge and Breakdown Strength Characteristics of Cross-Linked Polyethylene/SiO Nanocomposites,” Proc. IEEE Int. Conf. Prop. Appl. Dielectr. Mater., vol. 2021-July, no. Icpadm, pp. 370–373, 2021.
- N. M. Saman, M. H. Ahmad, Z. Buntat, Z. Nawawi, M. A. B. Sidik, M. I. Jambak, “Characterization of Cold Plasma with Glow Discharge Mechanism of Plasma Jet System,” Proc. IEEE Int. Conf. Prop. Appl. Dielectr. Mater., vol. 2021-July, no. Icpadm, pp. 60–63, 2021.
(b) Non-indexed conferences:
i. M.H. Ahmad, A.A. Abd Jamil, H. Ahmad, Y.Z. Arief, and A. Darus, “Experimental Investigation on Tree Inception Voltage of EFB/SIR Leaf-Like Specimen”, Proceedings of National Science Postgraduate Conference (NSPC2011), Johor Bahru, 15-17 November, pp. 625-630, 2011.
ii. M. H. Ahmad, A. A. A. Jamil, H. Ahmad, M. A. M. Piah, A. Darus, Y. Z. Arief, N. Bashir, “Oil Palm Empty Fruit Bunch as a New Organic Filler for Electrical Tree Inhibition”, Proceeding of World Academy of Science, Engineering and Technology, Vol. 62, pp. 335-340.2012.
iii. A.A. Abd Jamil, M. Kamarol, M. Mariatti, Y.Z. Arief, N. Bashir, M.H. Ahmad, “Studies of Electrical Treeing in Silicone Rubber/Silicone Dioxide Nanocomposites”, 4th Electrical and Electronics Postgraduate Colloquium, Perak, Malaysia, August 18-20, 2013.
iv. A.A. Abd Jamil, N. Bashir, M.H. Ahmad, Y.Z. Arief, M. Kamarol, M. Mariatti, “Electrical Treeing Initiation and Propagation in Silicone Rubber Nanocomposites”, The Regional Conference of Solid State Science and Technology (RCSSST2013), 20-22 December 2013, Sabah, Malaysia, 2013.
v. M. A. Kamaruddin, Y. Z. Arief, M. H. Ahmad, “Energy Analysis of Efficient Lighting System Design For Lecturing Room Using DIALUX EVO 3”, 2014 International Conference on Energy and Thermal Sciences, October 1, 2014, pp. 1-5.
vi. F.N. Musa, N. Bashir, M.H. Ahmad, “Electrical Tree Growth Performances of Plasma Treated Silicone Rubber based Nanocomposites” 10th South East Asian Technical University Consortium Symposium SEATUC 2016, Tokyo, Japan, 23-24 February 2016. Pp. 1-4, 2016.
vii. Z. Adzis, M.T. Kamaruddin, Y.Z. Arief, M.H. Ahmad, I.H. Zakaria, “Effect Of Humidity And Nanofiller On Self-Healing Properties Of Silicone Rubber”, 10th South East Asian Technical University Consortium Symposium SEATUC 2016, Tokyo, Japan, 23-24 February 2016. Pp. 1-4, 2016.
viii. Y.Z. Arief, M.H. Ahmad, N.A. Muhamad, R. Kurnianto, N. A. Awang, R. Patsch, “Partial Discharge Characteristics Of Low-Density Polyethylene And Effect Of Nanofiller Using Pulse Sequence Analysis “, 10th South East Asian Technical University Consortium Symposium SEATUC 2016, Tokyo, Japan, 23-24 February 2016. Pp. 1-4, 2016.
ix. N.A. Muhamad, M.F.H. Mohd Taib, A.A. Abdullahamed, Y.Z. Arief, M.H. Ahmad, Z. Adzis, “Effect Of Accelerated Thermal Ageing On Electrical Properties Of Vegetative Oil Under High Voltage Stress “, 10th South East Asian Technical University Consortium Symposium SEATUC 2016, Tokyo, Japan, 23-24 February 2016. Pp. 1-4, 2016.
3. Books, Book Chapters, Modules and Monograph:
i. N. Bashir, M. F. L. Dolmat, M. H. Ahmad, A. A. Abd Jamil (2013), “Oil Palm Empty Fruit Bunch as an Organic Filler for Inhibition of Electrical Treeing”, Chapter 4, pp. 41 – 59, in High Voltage Insulations Studies Series 1 edited by Nouruddeen Bashir, Penerbit UTM Press, Johor Bahru, Malaysia. ISBN: 978-983-52-0958-1.
ii. M. H. Ahmad, “Statistical Analysis of Partial Discharge during Electrical Tree in Silicone Rubber Nanocomposites under Elevated Temperature,” Chapter in Properties and Applications of Polymer Dielectrics, Intech Publication, 2017, pp. 101–126. ISBN: 978-953-51-3148-9.