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touhid.eee@ru.ac.bd

1st Science Building, East Block, Room No: 232, University of Rajshahi


Dr. Abu Zafor Muhammad Touhidul Islam
PROFESSOR
Electrical & Electronic Engineering

Education Summary  
PhD (JAIST, Japan), M.Sc. & B.Sc. (RU, Bangladesh)
Research Interest  
Optoelecteonics, Luminescence of Solids, Antenna Design
Level Institution Year
Doctoral
(Doctor of Philosophy)		 Japan Advanced institute of Science and Technology 2009
Masters
(Master of Science)		 Rajshahi University 1998
Bachelor/Honors
(Bachelor of Science)		 Rajshahi University 1997
Higher Secondary
(Higher Secondary Certificate)		 Pangsa College 1993
Secondary
(Secondary School Certificate)		 Pangsa George High School 1991

Experience in Rajshahi University

Duration Organization/Institute Position
2016-04-28 to Electrical & Electronic Engineering Professor
2016-04-28 to 2019-04-27 Electrical & Electronic Engineering Chairman
2015-01-05 to 2016-04-27 Information & Communication Engineering CHAIRMAN
2014-08-15 to 2016-04-27 Information & Communication Engineering Professor
2009-09-28 to 2014-08-14 Information & Communication Engineering ASSOCIATE PROFESSOR
2004-06-25 to 2009-09-27 Information & Communication Engineering ASSISTANT PROFESSOR
2001-06-25 to 2004-06-24 Information & Communication Engineering LECTURER

Experience in other Organization/Institute

Duration Organization/Institute Position
2011-12-30 to 2014-03-30 Graduate School of Science & Engineering, Saitama University, Japan Postdoctoral Research Fellow
2008-02-20 to 2009-06-30 School of Materials Science, National University Corporation, JAIST, Japan Research Assistant
2007-06-20 to 2009-06-30 School of Materials Science, National University Corporation, JAIST, Japan Teaching Assistant

Book

1. A. Z. M. Touhidul Islam and Md. Firoz Ahmed "Information and Communication Technology (তথ্য ও যোগাযোগ প্রযুক্তি)" Written for Higher Secondary Level (Class XI-XII), Approved by National Curriculum and Textbook Board (NCTB), Bangladesh, Published by R.C. Paul, Grantha Kutir, 26 Bangla Bazar, Dhaka.

Published: March 2017

Book Chapter

1. Md. Khalid Mahbub Khan, Muhammad Sajjadur Rahim and Abu Zafor Md. Touhidul Islam "Investigating the Performance of Delay-Tolerant Routing Protocols Using Trace-Based Mobility Models" Part of the Lecture Notes in Electrical Engineering book series (LNEE,volume 980), pp. 319-334

Published: June 2023
2. Afroza Sharmin Urmi, Md. Tofael Ahmed, Maqsudur Rahman, AZM Touhidul Islam "A Proposal of Systematic SMS Spam Detection Model Using Supervised Machine Learning Classifiers" Computer Vision and Robotics, Proceedings of CVR 2021, August 07-08, 2021, Part of the Algorithms for Intelligent Systems book series (AIS), Springer, Singapore, pp. 459-471, March 15, 2022

Published: March 2022
3. Md. Tofael Ahmed, Maqsudur Rahman, Shafayet Nur, AZM Touhidul Islam, Dipankar Das "Introduction of PMI-SO Integrated with Predictive and Lexicon Based Features to Detect Cyberbullying in Bangla Text Using Machine Learning" Proceedings of 2nd International Conference on Artificial Intelligence: Advances and Applications(ICAIAA 2021), March 27-28, 2022, Part of the Algorithms for Intelligent Systems book series (AIS), Publisher Name: Springer, Singapore, pp 685–697

Published: February 2022
4. Md. Khalid Mahbub Khan, Muhammad Sajjadur Rahim, and Abu Zafor Md. Touhidul Islam "Evaluation of Energy Efficiency of Opportunistic Network Routing Protocols" Opportunistic Networks: Fundamentals, Applications and Emerging Trends, CRC Press, Taylor & Francis Group, Edition: 1st, Chapter: 11, 17 Pages

Published: August 2021
5. Md. Khalid Mahbub Khan, Muhammad Sajjadur Rahim, and Abu Zafor Md. Touhidul Islam "Evaluating Energy Efficiency and Performance of Social-Based Routing Protocols in Delay-Tolerant Networks" Advances in Intelligent Systems and Computing, Springer, vol. 1309, pp. 513-523 (Scopus)

Published: December 2020
6. Md. Khalid Mahbub Khan, Sujan Chandra Roy, Muhammad Sajjadur Rahim, and Abu Zafor Md. Touhidul Islam "On the Energy Efficiency and Performance of Delay-Tolerant Routing Protocols" Cyber Security and Computer Science (Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering), Springer, vol. 325, pp. 553-565 (Scopus)

Published: July 2020

Journal

1. Tasnimul Islam Taseen, M. Julkarnain and Abu Zafor Md Touhidul Islam "Design and simulation of nitrogenated holey graphene (C2N) based heterostructure solar cell by SCAPS-1D" Heliyon, Volume 10, Issue 1, e23197, Elsevier Publishing

Published: January 2024
2. Md. Samiul Islam, Md. Akramul Alim and Abu Zafor Md. Touhidul Islam "A 5GHz Flexible Compact Microstrip Patch Antenna for WBAN Applications: Design, Simulation and Performance Analysis" International Journal of Ambient Systems and Applications (IJASA), Volume 11, Number 1/2/3/4, pp. 1-14

Published: December 2023
3. Md Islahur Rahman Ebon, Md Hasan Ali, Md Dulal Haque and Abu Zafor Md Touhidul Islam "Computational investigation towards highly efficient Sb2Se3 based solar cell with a thin WSe2 BSF layer" Engineering Research Express, Volume 5, Number 4, 045072, IOP Publishing

Published: November 2023
4. Md. Hasan Ali, Md. Dulal Haque, Md. Mahabub Hossain and·Abu Zafor Md. Touhidul Islam "Improving the efficiency of ZnTe based heterojunction solar cell with In2Te3 BSF layer" Journal of Applied Electrochemistry,https://doi.org/10.1007/s10800-023-02013-8, Sringer

Published: November 2023
5. Md. Firoz Ahmed, M. Hasnat Kabir and Abu Zafor Md. Touhidul Islam "Impact of Feed Point Position on Patch Antenna’s Return Loss and Bandwidth for UWB Applications" Journal of Multidisciplinary Applied Natural Science, Vol. 3(2)

Published: June 2023
6. Md. Firoz Ahmed, M. Hasnat Kabir and Abu Zafor Md. Touhidul Islam "Design of a compact patch antenna with bandwidth and efficiency improvement for UWB applications" Multidisciplinary Science Journal, 5(4), pp.2023030-2023030

Published: May 2023
7. Md. Hasan Ali, A.T.M. Saiful Islam, Md Dulal Haque, Md. Ferdous Rahman, M. Khalid Hossain, Nasrin Sultana, and A.Z.M. Touhidul Islam "Numerical analysis of FeSi2 based solar cell with PEDOT:PSS hole transport layer" Published by Elsevier Ltd.; Materials Today Communications, Vol. 34, pp.105387

Published: March 2023
8. Md. Hasan Ali, Md. Abdullah Al Mamun, Md. Dulal Haque, Md. Ferdous Rahman, M. Khalid Hossain, and Abu Zafor Md. Touhidul Islam "Performance Enhancement of an MoS2 Based Heterojunction Solar Cell with an In2Te3 Back Surface Field: A Numerical Simulation Approach" ACS Omega, Vol. 8, pp. 7017-7029

Published: February 2023
9. Md. Hasan Ali, Md. Abdullah Al Mamun, Md. Dulal Haque, Md. Ferdous Rahman, M. Khalid Hossain, and Abu Zafor Md. Touhidul Islam "Performance Enhancement of an MoS2 Based Heterojunction Solar Cell with an In2Te3 Back Surface Field: A Numerical Simulation Approach" ACS Omega, Vol. 8, pp. 7017-7029

Published: February 2023
10. Md Dulal Haque, Md Hasan Ali, Md Ferdous Rahman, Abu Zafor Md Touhidul Islam "Numerical analysis for the efficiency enhancement of MoS2 solar cell: A simulation approach by SCAPS-1D" Optical Materials, Volume 131, September 2022, 112678, https://doi.org/10.1016/j.optmat.2022.112678

Published: September 2022
11. Md Firoz Ahmed, Abu Zafor Muhammad Touhidul Islam, Md Hasnat Kabir "Rectangular microstrip antenna design with multi-slotted patch and partial grounding for performance enhancement" International Journal of Electrical and Computer Engineering (IJECE), Vol. 12, No. 4, pp. 3859~3868

Published: August 2022
12. Maqsudur Rahman, Md. Tofael Ahmed, Shafayet Nur, Abu Zafor Muhammad Touhidul Islam "The prediction of coronavirus disease 2019 outbreak on Bangladesh perspective using machine learning: a comparative study" International Journal of Electrical and Computer Engineering (IJECE) Vol. 12, No. 4, pp. 4276~4287

Published: August 2022
13. Md Firoz Ahmed, Abu Zafor Muhammad Touhidul Islam, and Md Hasnat Kabir "Rectangular microstrip antenna design with multi-slotted patch and partial grounding for performance enhancement" International Journal of Electrical and Computer Engineering (IJECE), vo.12 (4), pp.2088-8708

Published: August 2022
14. Md Dulal Haque, Md Hasan Ali, Md Mahabub Hossain, Md Selim Hossain, M Ismail Hossain, Md Abdul Halim and A Z M Touhidul Islam "Design and analysis of GaAsN based solar cell for harvesting visible to near-infrared light" Physica Scripta, Volume 97, Number 8, pp. 085006, Published 14 July 2022, https://doi.org/10.1088/1402-4896/ac7d79

Published: July 2022
15. Md. Tofael Ahmed , Maqsudur Rahman , Shafayet Nur , Abu Zafor Muhammad Touhidul Islam , Dipankar Das "Natural language processing and machine learning based cyberbullying detection for Bangla and Romanized Bangla texts" TELKOMNIKA (Telecommunication, Computing, Electronics and Control), Vol. 20, No.1, pp. 89-97, February 2022, DOI: http://doi.org/10.12928/telkomnika.v20i1.18630.

Published: February 2022
16. Md. Dulal Haque, Md. Hasan Ali, Abu Zafor Md. Touhidul Islam "Efficiency enhancement of WSe2 heterojunction solar cell with CuSCN as a hole transport layer: A numerical simulation approach" Solar Energy, Vol. 230, pp. 528–537

Published: December 2021
17. M. Firoz Ahmed, Abu Zafor Md. Touhidul Islam, M. Hasnat Kabir "Design of a Ultra-Wideband Rectangular Patch Microstrip Antenna with Improved Bandwidth" International Journal of Recent Engineering Science (IJRES), Vol. 8, Issue 5, pp. 6-12

Published: September 2021
18. M. Firoz Ahmed, M. Hasnat Kabir and Abu Zafor Md. Touhidul Islam "Effect of the substrate material and thickness on the performance of the Rectangular Patch Microstrip UWB Antenna" International Journal of Recent Engineering Science (IJRES), Vol. 8 Issue 4, pp. 15-18

Published: August 2021
19. M. Firoz Ahmed, Abu Zafor Md. Touhidul Islam, M. Hasnat Kabir "Improvement of Bandwidth and Gain of a Rectangular Patch Antenna for UWB Applications" International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering (IJAREEIE), Volume 10, Issue 7, pp. 2101-2109

Published: July 2021
20. Chaitali Mukta, Mahfujur Rahman and Abu Zafor Md. Touhidul Islam "Design of a Compact Circular Microstrip Patch Antenna for WLAN Applications" International Journal on AdHoc Networking Systems (IJANS)

Published: July 2021
21. M. Firoz Ahmed, M. Hasnat Kabir, and Abu Zafor Md. Touhidul Islam "Patch and Ground Plane Slots Effect on the Rectangular Patch Microstrip UWB Antenna Bandwidth Performance" International Journal of Engineering Applied Sciences and Technology (IJEST), vol. 6(3)

Published: July 2021
22. Md. Firoz Ahmed, Md. Tahidul Islam and Abu Zafor Md. Touhidul Islam "Performance of Convolution and CRC Channel Encoded V-BLAST 4×4 MIMO MC- CDMA Wireless Communication System" International Journal of Ambient Systems and Applications (IJASA) Vol.09, No.1/2, pp. 1-6

Published: June 2021
23. Md. Firoz Ahmed, Md. Faysal Ahmed and Abu Zafor Md. Touhidul Islam "Comparison of Bit Error Rate Performance of Various Digital Modulation Schemes over AWGN and Rayleigh Fading Channels using Simulink" International Journal of Ambient Systems and Applications (IJASA) Vol.9, No.1/2, pp. 7-16

Published: June 2021
24. Nazmul Hassan, Sheikh Hasib Cheragee, Sakil Ahammed and Abu Zafor Md. Touhidul Islam "Sensor Based Smart Irrigation System with Monitoring and Controlling using Internet of Things" International Journal of Ambient Systems and Applications (IJASA), Vol.09, No.1/2, pp. 17-26

Published: June 2021
25. Sheikh Hasib Cheragee, Nazmul Hassan, Sakil Ahammed and Abu Zafor Md. Touhidul Islam "A Study of IOT Based Real-Time Solar Power Remote Monitoring System" International Journal of Ambient Systems and Applications (IJASA) Vol.09, No.1/2, pp. 27-36

Published: June 2021
26. Md. Firoz Ahmed, Md. Rimon Islam and Abu Zafor Md. Touhidul Islam "Secured Text Message Transmission in a Wireless Communication System with the Implementation of Vigenere Cipher and RSA Cryptographic Algorithms" Computer Applications: An International Journal (CAIJ), Vol.8, No.2, pp. 1-7

Published: May 2021
27. Rubaya Khatun, Mahfujur Rahman and Abu Zafor Md. Touhidul Islam "Design of a Compact Rectangular Microstrip Patch Antenna for 2.45 GHz ISM Band" International Journal of Recent Engineering Science (IJRES), Volume 8 Issue 3, May-June, 2021, pp. 30-35

Published: May 2021
28. Sakil Ahammed, Nazmul Hassan, Sheikh Hasib Cheragee and Abu Zafor Md. Touhidul Islam "An IoT-based Real-Time Remote Health Monitoring System" International Journal of Recent Engineering Science (IJRES), Volume 8 Issue 3, pp. 23-29

Published: May 2021
29. Md. Firoz Ahmed, Md. Sofiqul Islam and Abu Zafor Md. Touhidul Islam "Comparative Performance Assessment of V-BLAST Encoded 8×8 MIMO MC-CDMA Wireless Ssystem" International Journal on AdHoc Networking Systems (IJANS) Vol. 11, No. 2, pp. 1-7

Published: April 2021
30. Md. Tofael Ahmed, Bipasa Sharmin Setu, Maqsudur Rahman and A. Z. M. Touhidul Islam "DEVELOPMENT OF SOM NEURAL NETWORK BASED ENERGY EFFICIENT CLUSTERING HIERARCHICAL PROTOCOL FOR WIRELESS SENSOR NETWORK" International Journal of Advanced Smart Sensor Network Systems (IJASSN), Vol 10, No.1/2/3, pp. 1-14

Published: July 2020
31. A.Z.M. Touhidul Islam and Md. Firoz Ahmed "STUDY OF ATTENUATION AND BENDING LOSSES IN SIGNAL TRANSMISSION OVER STEP INDEX MULTIMODE PMMA FIBERS" International Journal of Ambient Systems and Applications (IJASA) Vol.8, No.1/2, pp. 1-10

Published: June 2020
32. Maqsudur Rahman, Md. Tofael Ahmed, and A. Z. M. Touhidul Islam "ON DETECTION AND TRACKING OF THE VEHICLES FROM THE REAL TIME VIDEO STREAM USING BACKGROUND SUBTRACTION PROCESS WITH BLOB TRACKER ALGORITHM" International Journal of Ambient Systems and Applications (IJASA) Vol.8, No.1/2, pp. 21-30

Published: June 2020
33. Md. Juwel Sheikh, Md. Firoz Ahmed and A. Z. M. Touhidul Islam "VIDEO TRANSMISSION IN V-BLAST ENCODED MIMO MC-CDMA WIRELESS SYSTEM: PERFORMANCE STUDY" International Journal of Ambient Systems and Applications (IJASA) Vol.8, No.1/2, pp. 11-19

Published: June 2020
34. Md. Nawaj Sharif, Md. Firoz Ahmed, Mahfujur Rahman, A. Z. M. Touhidul Islam "Design and Simulation of a Circular Microstrip Patch Antenna for Breast Cancer Diagnosis" International Journal of Recent Engineering Science (IJRES), Volume 7 Issue 3, pp. 64-67

Published: June 2020
35. Md. Sofiqul Islam, Md. Firoz Ahmed and A. Z. M. Touhidul Islam "Performance Analysis of V-Blast Encoded MIMO MC-CDMA Wireless Communication System in Encrypted Color Image Transmission" International Journal of Recent Engineering Science (IJRES), Volume 7 Issue 3, pp. 59-63

Published: May 2020
36. Maqsudur Rahman, Md. Tofael Ahmed, A. Z. M. Touhidul Islam and Muhammad Irfan Uddin "Investigation of the Performance of Content-Based Opportunistic Routing Protocol in DTN: A Comparative Study" International Journal of Advanced Smart Sensor Network Systems (IJASSN),Vol 9, No.4, pp. 1-9

Published: October 2019
37. Md. Tofael Ahmed and A. Z. M. Touhidul Islam "Twitter Cyberbullying Detection using Content-Based Feature Selection Approach" Rajshahi University Journal of Science and Engineering, Vol. 45, 2017, pp. 23-37

Published: October 2019
38. Md. Dulal Haque, Norihiko Kamata, A.Z.M.Touhidul Islam, Zentaro Honda, Shuhei Yagi and Hiroyuki Yaguchia "Photoluminescence characterization of nonradiative recombination centers in MOVPE grown GaAs:N δ-doped superlattice structure" Optical Materials, 89, 2019, pp. 521-527

Published: January 2019
39. M. D. Haque, M. Julkarnain, A. Z. M. Touhidul Islam and N. Kamata "Study of Nonradiative Recombination Centers in n-GaN Grown on LT-GaN and AlN Buffer Layer by Below-Gap Excitation"  Advances in Materials Physics and Chemistry, Vol.8, No.3, pp. 143-155

Published: March 2018
40. M. Julkarnain, N. Murakoshi, A. Z. M. Touhidul Islam, T. Fukuda, N. Kamata and Y. Arakawa "Dominant nonradiative centers in InGaN single quantum well by time-resolved and two-wavelength excited photoluminescence" Physica Status Solidi B 252, No. 5, pp. 952-955.

Published: July 2015
41. N. Kamata, A. Z. M. Touhidul Islam, M. Julkarnain, N. Murakoshi , T. Fukuda , and H. Hirayama "Nonradiative centers in deep-UV AlGaN-based quantum wells revealed by two-wavelength excited photoluminescence" Phys. Status Solidi B 252, No. 5, 2015, pp. 936-939.

Published: July 2015
42. Norihiko Kamata and Abu Zafor Md. Touhidul Islam "Photoluminescence Characterization of Nonradiative Recombination Centers in Light Emitting Materials by Utilizing Below-Gap Excitation: A Mini Review of Two-Wavelength Excited Photoluminescence" Rajshahi University Journal of Science and Engineering, Vol. 43, pp. 1-9.

Published: January 2015
43. M. A. Bashar, M. T. Ahmed, Md. Sydujjaman, P. J. Ray, and A. Z. M. Touhidul Islam "Text-Independent Speaker Identification System using Average Pitch and Formant Analysis" International Journal on Information Theory (IJIT), Vol. 3, No. 3, pp. 23-30.

Published: July 2014
44. Md. Ashraful Islam and A. Z. M. Touhidul Islam "Secure Wireless Text Message Transmission with the Implementation of RSA Cryptographic Algorithm" International Journal of Computer Networks and Communications Security (IJCNCS), Vol. 2, No. 5, pp. 146-151.

Published: May 2014
45. Md. Ashraful Islam, Dipankar Das, Halida Homyara, and A. Z. M. Touhidul Islam "BER Performance of CRC Coded LTE System for Various Modulation Schemes and Channel Conditions" Scientific Research Journal (SCIRJ), Vol. 2, Issue 5, pp. 6-10.

Published: May 2014
46. A. Z. M. Touhidul Islam, N. Murakoshi, T. Fukuda, H. Hirayama and N. Kamata "Optical detection of nonradiative recombination centers in AlGaN quantum wells for deep UV region" Physica Status Solidi C, Vol. 11, No. 3-4, pp. 832-835.

Published: January 2014
47. A. Z. M. Touhidul Islam "A Comparative Performance Study of OFDM system with the Implementation of Comb Pilot-based MMSE Channel Estimation" International Journal on Computational Sciences & Applications (IJCSA), Vol.3, No.6, pp. 45-53.

Published: December 2013
48. A. Z. M. Touhidul Islam, K. Hatta, N. Murakoshi, T. Fukuda, T. Takada, T. Itatani and N. Kamata "Detection of NRR Centers in InGaAs/AlGaAs HEMTs: Two-Wavelength Excited Photoluminescence Studies" Global Science and Technology Journal, Vol. 1, No. 1, pp.1-11.

Published: July 2013
49. Abu Zafor Muhammad Touhidul Islam, Tsukasa Hanaoka, Kentaro Onabe, Shuhei Yagi, Norihiko Kamata, and Hiroyuki Yaguchi "Direct Evidence of Carrier Excitation from Intermediate Band States in GaPN by Two-Wavelength Excited Photoluminescence" Applied Physics Express, 6, pp. 092401-1 to 3.

Published: June 2013
50. A. Z. M. Touhidul Islam and Indraneel Misra "Performance of Wireless OFDM System with LS-Interpolation-Based Channel Estimation in Multi-Path Fading Channel" International Journal on Computational Sciences & Applications (IJCSA), Vol. 2, No.5, pp. 1-10.

Published: October 2012
51. Nuzhat Tasneem Awon, Md. Ashraful Islam, Md. Mizanur Rahman, and A. Z. M. Touhidul Islam "Effect of AWGN & Fading (Raleigh & Rician) Channels on BER Performance of a WiMAX Communication System" International Journal of Computer Science and Information Security (IJCSIS), Vol. 10, No. 8, pp. 11-17.

Published: August 2012
52. Md. Ashraful Islam and A. Z. M. Touhidul Islam "Performance of WiMAX Physical Layer with Variations in Channel Coding and Digital Modulation under Realistic Channel Conditions" International Journal of Information Sciences and Techniques (IJIST), Vol. 2, No. 4, pp. 39-47.

Published: July 2012
53. S. K. Debnath and A. Z. M. Touhidul Islam "Analysis of Neighbor Knowledge based BCAST Protocol performance for Multihop Wireless Ad Hoc Networks" International Journal on AdHoc Networking Systems (IJANS) Vol. 1, No. 2, pp. 1-12.

Published: October 2011
54. A. Z. M. Touhidul Islam, Md. Shohidul Islam, M. Mesbahul Alam and S. Enayet Ullah "Performance of Iterative LDPC-based Space-Time Trellis Coded MIMO-OFDM System over AWGN and Fading Channels" International Journal of Computer Science, Engineering and Information Technology (IJCSEIT), Vol.1, No.4, pp. 1-13.

Published: October 2011
55. M. Mesbahul Alam, A. Z. M. Touhidul Islam and S. Enayet Ullah "Performance of a Concatenated LDPC Encoded OFDM System on Text Message Transmission" International Journal of Research and Reviews in Computer Science (IJRRCS), Vol. 2, No 3, pp. 788-792.

Published: June 2011
56. M. Mesbahul Alam, A. Z. M. Touhidul Islam and S. Enayet Ullah "Performance Analysis of a Concatenated LDPC Coded Alamouti-based STBC-OFDM System on Text Message Transmission" International Journal of Computer Science, Engineering and Applications (IJCSEA), Vol.1, No.3, pp. 1-9.

Published: June 2011
57. A. Z. M. Touhidul Islam, D.W. Jung, J. P. Noh, and N. Otsuka "Photoluminescence Study on Heavily Donor and Acceptor Impurity Doped GaAs Layers Grown by Molecular-Beam Epitaxy" Journal of Applied Physics 105, pp. 093507-1 to 6.

Published: June 2009
58. Dae Won Jung, Jung Pil Noh, Abu Zafor Muhammad Touhidul Islam, and Nobuo Otsuka "Enhanced Electron-Electron Interactions in GaAs Layers Doped with High Concentrations of Donor and Acceptor Impurities" Journal of the Physical Society of Japan, 77, 2008, pp. 074721-1 to 7.

Published: August 2008
59. J.P. Noh, D.W. Jung, A. Z. M. Touhidul Islam, and N. Otsuka "Possible Anomalous Hall Effect of Be/Si Pair Delta-Doped GaAs Structures" Physica Status Solidi (C) 5, No. 9, pp. 2896-2900

Published: June 2008
60. D.W. Jung, J.P. Noh, A. Z. M. Touhidul Islam, and N. Otsuka "Large Anomalous Hall Resistance of Pair Delta-Doped GaAs Structures Grown by Molecular-Beam Epitaxy" Journal of Applied Physics 103, 2008, pp. 043703-1 to 8.

Published: July 2007
61. J.P. Noh, S. Iwasaki, D.W. Jung, A. Z. M. Touhidul Islam, and N. Otsuka "Anomalous Hall Effect of Metallic Be/Si Pair delta-doped GaAs Structures" Physical Review B 75, 2007, pp. 195307-1 to 7

Published: January 2007
62. J.P. Noh, S. Iwasaki, D.W. Jung, A. Z. M. Touhidul Islam, and N. Otsuka "Direct Correlation of Negative Magnetoresistance with Concentrations of Localized Holes in Be Delta-Doped GaAs Structures" Journal of Vacuum Science and Technology B 24, pp. 2560-2565.

Published: December 2006
63. R. Yasmin, M. M. Hossain, A. Z. M. T. Islam and D. Das "Estimation of Correlation Constant between Medium Wave and short Wave Free-Space Communication Systems" Asian Journal of Information Technology (AJIT), Vol. 5, No. 7, pp. 725-728.

Published: November 2006
64. Md. Sazzad Hossain, A. Z. M. Touhidul Islam and Md. Rezaul Islam "A PC Based Temperature Controller" Rajshahi University Studies, Part B, Journal of Science, Vol. 33, 2005, pp. 1-9

Published: October 2005
65. A. Z. M. Touhidul Islam, Md. Rezaul Islam and Rubaiyat Yasmin "Properties of Vacuum-Deposited Indium Tin Oxide Thin Films" Rajshahi University Studies, Part B, Journal of Science, Vol. 32, pp. 63-71

Published: December 2004
66. A. Z. M. Touhidul Islam, Syed Sayeeduzzaman and Md. Rezaul Islam "Effect of Tin Oxide Concentration on the Properties of Vacuum Evaporated ITO Thin Films" Journal of the Bangladesh Electronics Society, Vol. 4, No.2, 2004, pp. 16-20

Published: August 2004

Conference

1. Sheikh Hasib Cheragee, Abu Zafor Md. Touhidul Islam, Mohammad Jahangir Alam "2-T Non-Toxic Multijunction solar cell with Diverse ETL materials" 2022 International Conference on Recent Progresses in Science, Engineering and Technology (ICRPSET), Rajshahi, Bangladesh, 2022, pp. 1-4, Date Added to IEEE Xplore: 25 July 2023, Publisher: IEEE, doi: 10.1109/ICRPSET57982.2022.10188555.

Published: July 2023
2. Masrik Hasnat, Md. Ariful Islam, Md. Hasan Ali, Md. Dulal Haque, Md. Ferdous ahman;,Abu Zafor Md. Touhidul Islam "Numerical investigation of WSe2 based heterojunction solar cell with ZnSe2 BSF layer" 2022 International Conference on Recent Progresses in Science, Engineering and Technology (ICRPSET), Rajshahi, Bangladesh, 2022, pp. 1-6, doi: 10.1109/ICRPSET57982.2022.10188568, Publisher: IEEE, Date Added to IEEE Xplore: 25 July 2023

Published: July 2023
3. Md. Nazmul Sarder, Md. Abdullah Al Mamun, Md. Hasan Ali, Md. Dulal Haque, Md. Ferdous Rahman, Abu Zafor Md. Touhidul Islam "Numerical simulation of MoSe2 based solar cell by SCAPS-1D" 2022 International Conference on Recent Progresses in Science, Engineering and Technology (ICRPSET), Rajshahi, Bangladesh, 2022, pp. 1-5, Date Added to IEEE Xplore: 25 July 2023, Publisher: IEEE, doi: 10.1109/ICRPSET57982.2022.10188504,

Published: July 2023
4. Maqsudur Rahman, Shafayet Nur, Md. Tofael Ahmed, Dipankar Das, AZM Touhidul Islam "A Feature Engineering Approach for Detecting Cyberbullying in Bangla Text Using Machine Learning" 2022 International Conference on Recent Progresses in Science, Engineering and Technology (ICRPSET), Rajshahi, Bangladesh, 2022, pp. 1-5, Date Added to IEEE Xplore: 25 July 2023, Publisher: IEEE, doi: 10.1109/ICRPSET57982.2022.10188573.

Published: July 2023
5. Md. Maherab Hasan, Minhaj Ul Islam Chowdhury, Taofica Amrine, Shafayet Nur, Maqsudur Rahman, Dipankar Das, AZM Touhidul Islam "Bully Spotter: Online Bullying Detection In Bengali Text Using Transform Learning" 2022 International Conference on Recent Progresses in Science, Engineering and Technology (ICRPSET), Rajshahi, Bangladesh, 2022, pp. 1-5, Date Added to IEEE Xplore: 25 July 2023, Publisher: IEEE, doi: 10.1109/ICRPSET57982.2022.10188530.

Published: July 2023
6. Md. Iqbal Hossain; Maqsudur Rahman; Md. Tofael Ahmed; Md. Saifur Rahman; A Z M Touhidul Islam "Rating Prediction of Product Reviews of Bangla Language using Machine Learning Algorithms" Published in: 2021 International Conference on Artificial Intelligence and Mechatronics Systems (AIMS), Date of Conference: 28-30 April 2021, Date Added to IEEE Xplore: 30 June 2021 Publisher: IEEE, Conference Location: Bandung, Indonesia, pp. 1-6, doi: 1

Published: June 2022
7. M. Firoz Ahmed, M. Hasnat Kabir and Abu Zafor Md. Touhidul Islam "Design of Rectangular Patch Microstrip Antenna with Bandwidth and Gain Enhancement for UWB Applications" Proceedings of the 2021 International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2), 26-27 December 2021, Faculty of Engineering, University of Rajshahi, Rajshahi, Bangladesh, published from IEEE Xplore.

Published: December 2021
8. M. Firoz Ahmed, M. Hasnat Kabir and Abu Zafor Md. Touhidul Islam "Effect of Feed Point Position on the Bandwidth, Centre Frequency and Return Loss of Rectangular Patch Microstrip UWB Antenna" Proceedings of the International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2), 26-27 December 2021, published from IEEE Xplore

Published: December 2021
9. Md. Iqbal Hossain, Maqsudur Rahman, Tofael Ahmed and A. Z. M. Touhidul Islam "Forecast the Rating of Online Products from Customer Text Review based on Machine Learning Algorithms" Proceedings of the 2021 International Conference on Information and Communication Technology for Sustainable Development (ICICT4SD), 27-28 Feb. 2021, Dhaka, Bangladesh, published by IEEE, pp. 6-10.

Published: February 2021
10. Md. Tofael Ahmed, Maqsudur Rahman, Shafayet Nur, Azm Islam and Dipankar Das "Deployment of Machine Learning and Deep Learning Algorithms in Detecting Cyberbullying in Bangla and Romanized Bangla text: A Comparative Study" 2021 International Conference on Advances in Electrical, Computing, Communication and Sustainable Technologies (ICAECT), 19-20 Feb. 2021, Bhilai, India, published by IEEE, pp. 1-10

Published: February 2021
11. Md. Khalid Mahbub Khan, Muhammad Sajjadur Rahim, and Abu Zafor Md. Touhidul Islam "Evaluating Energy Efficiency and Performance of Social-Based Routing Protocols in Delay-Tolerant Networks" Proceedings of International Conference on Trends in Computational and Cognitive Engineering, Proceedings of TCCE 2020, Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1309), published by Springer, pp. 513-523

Published: December 2020
12. Md. Khalid Mahbub Khan, Sujan Chandra Roy, Muhammad Sajjadur Rahim, and Abu Zafor Md. Touhidul Islam "On the Energy Efficiency and Performance of Delay-Tolerant Routing Protocols" proceedings of the 2nd EAI International Conference on Computer Science and Cyber Security (ICONCS 2020), Dhaka, Bangladesh, February 15–16, 2020, Published by Springer Nature Switzerland AG as Lecture Notes of LNICST 325

Published: June 2020
13. Md. Dulal Haque, Norihiko Kamata, A. Z. M. Touhidul Islam, Md. Julkarnain, Shuhei Yagi, Hiroyuki Yaguchi, and Yoshitaka Okada "Study of nonradiative recombination centers in GaAs:N delta-doped superlattices structures revealed by below-gap excitation light" International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2), 11-12 July, 2019, 978-1-7281-3060-6/19/@ IEEE

Published: July 2019
14. Norihiko Kamata and A. Z. M. Touhidul Islam "Photoluminescence Characterization of Nonradiative Recombination Centers in Light Emitting Materials by Utilizing Below-Gap Excitation" 1st International Conference on Materials, Electronics and Information Engineering (ICMEIE-2015), University of Rajshahi, Bangladesh, K4.

Published: June 2015
15. M. Julkarnain, N. Murakoshi, A.Z.M.T. Islam, T. Fukuda, N. Kamata, Y. Arakawa "Dominant Nonradiative Centers in InGaN Single Quantum Well by Time-Resolved and Two-Wavelegnth Excited Photoluminescence" The International Workshop on Nitride Semiconductors, Wrocław, Poland, TuBP55.

Published: August 2014
16. N. Kamata, A. Z. M. T. Islam, M. Julkarnain, N. Murakoshi, T. Fukuda, H. Hirayama, "Nonradiative Centers in deep-UV AlGaN-based Quantum Wells revealed by Two-Wavelength Excited Photoluminescence" The International Workshop on Nitride Semiconductors, Wrocław, Poland, WeBO16.

Published: August 2014
17. M. Julkarnain, A. Z. M. Touhidul Islam, Takeshi Fukuda, Norihiko Kamata, Hirayama Hideki "Nonradiative Recombination Process in AlGaN Quantum Well and its Excitation Density Dependence" 14th International Symposium on the Science and Technology of Lighting (LS14), Como, Italy, CP17.

Published: June 2014
18. Makiko Suetsugu, A. Z. M. Touhidul Islam, T. Hanaoka, Takeshi Fukuda, Norihiko Kamata, Shuhei Yagi, and Hiroyuki Yaguchi "Luminescence and Quenching Properties in GaPN revealed by Below-Gap Excitation" 14th International Symposium on the Science and Technology of Lighting (LS14), Como, Italy, CP16.

Published: June 2014
19. Makiko Suetsugu, A. Z. M. Touhidul Islam, N. Murakoshi, T. Hanaoka, Norihiko Kamata, and Hiroyuki Yaguchi "Observation of the Intermediate Band in GaPN alloys by Two-Wavelength Excited Photoluminescence" The 61st Japan Society of Applied Physics Spring Annual Conference Proceedings, Aoyama Gakuin University, Japan, 18p-E11-2.

Published: March 2014
20. A. Z. M. Touhidul Islam, Naoki Murakoshi, Takeshi Fukuda, Hideki Hirayama, and Norihiko Kamata "Optical Detection of Nonradiative Recombination Centers in AlGaN Quantum Wells for Deep UV Region" Proceedings of the 10th Internatinal Conference on Nitride Semiconductors, Washington, DC, USA, CP3.13, pp. 237.

Published: August 2013
21. A. Z. M. Touhidul Islam, N. Murakoshi, T. Fukuda, H. Hirayama and Norihiko Kamata "Optical Detection of Non-Radiative Recombination Centers in InGaAs and AlGaAs Quantum Wells by Below-Gap Excitation" Proceedings of the Frontier Photonics Project Forum, Saitama University, Japan, pp. 36-37.

Published: March 2013
22. Naoki Murakoshi, A. Z. M. Touhidul Islam, Takeshi Fukuda, Norihiko Kamata , Yasuhiko Arakawa, "Characterization of InGaN Quantum Well by Two-Wavelength Excited Photoluminescence" Technical Report of the Conference of the Institute of Electronics, Information and Communication Engineers (IEICE), Vol. 112, No. 409, EID2012-21, pp. 49-52.

Published: January 2013
23. A. Z. M. Touhidul Islam, K. Hatta, N. Murakoshi, T. Fukuda, T. Takada, T. Itatani and N. Kamata "Detection of NRR Centers in InGaAs/AlGaAs HEMTs: Two-Wavelength Excited Photoluminescence Studies" Proceedings of Global Engineering, Science and Technology Conference, Dhaka, Bnagladesh, ID-214.

Published: December 2012
24. N. Kamata, A. Z. M. Touhidul Islam, M. Akiba, K. Igarashi, N. Murakoshi, T. Fukuda and H. Hirayama "Optical Characterization of Nonradiative Centers and Improvement in Light Extraction Efficiency of Deep UV LED" Proceedings of the 5th Lighting Conference of China, Japan and Korea (CJK), Tokyo, Japan, pp. 1-4.

Published: August 2012
25. A. Z. M. Touhidul Islam, K. Hatta, N. Murakoshi, T. Fukuda, T. Takada, T. Itatani and N. Kamata "Optical Characterization of Non-Radiative Recombination Centers in InGaAs/AlGaAs Quantum Wells by Below-Gap Excitation" Proceedings of the 13th International Symposium on the Science and Technology of Lighting (LS13), Troy, New York, pp. 249-250.

Published: June 2012
26. J.P. Noh, D.W. Jung, A. Z. M. Touhidul Islam and N. Otauka "Study of Localized Spins in Be Delta-Doped GaAs Structure" Technical Report of the Conference of the Institute of Electronics, Information and Communication Engineers (IEICE) , Toyama University, Toyama, Japan, Vol. 107, No. 95, ED2007-33, pp. 13-16.

Published: June 2007
27. Kazi Jahidur Rahman , Md. Altab Hossain, Dipankar Das, A. Z. M. Touhidul Islam, and Dr. M. Ganjer Ali "Continuous Bangla Speech Recognition System" Proceedings of the 6th International Conference on Computer and Information Technology (ICCIT), Jahangirnagar University, Savar, Dhaka, Bangladesh, Vol. I, pp 303-307.

Published: December 2003
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