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B.Sc.: physical science, Laser sciences and Technology Branch , Department of Applied sciences / University of Technology/ Iraq/ 1991.

M.Sc: Laser and Optoelectronics, Laser sciences and Technology Branch , Department of Applied sciences / University of Technology/ Iraq/ 1996.

Ph.D: Laser and Optoelectronics , Laser sciences and Technology Branch , Department of Applied sciences / University of Technology/ Iraq/ 2006.

Nanotechnology, Optoelectronics, Porous silicon, SERS, Gas sensor.

A. Ahmmed, A. Alwan, N. Ahmed, Electrical Properties of Porous Silicon Prepared by Photochemical Etching, Solid State Science and T echnology, 14 (2006) 160-165.

A.M. Alwan, A. Ahmed, Light-Induced Etching of Silicon, Engineering and Technology Journal, 25 (2007) 467-474.

O.A. Abass, A.M. Alwan, S.M. Ali, Influence of Laser Irradiation Times on Properties of Porous Silicon, Baghdad Science Journal, 4 (2007) 640-646.

A.M. Alwan, Organic vapors sensor based on dangling bonds of porous silicon, Engineering and Technology Journal, 25 (2007) 1023-1027.

A.M. Alwan, Calculation of energy band gap of porous silicon based on the carrier transport mechanisms, Engineering and Technology Journal, 25 (2007) 1143-1148.

A.M. Alwan, A Study On the Structure and Electrical Properties of Pbo. 9Sn0. 1Se/Si Heterojunction, Engineering and Technology Journal, 25 (2007) 1149-1153.

A.M. Alwan, O.A. Abdulrazaq, Aging effect on the photosynthesized porous silicon, International Journal of Modern Physics B, 22 (2008) 417-422.

A.M. Alwan, D.S.A. Uday, N. Saleman, I.S. Ahmed, EFFECT OF THE PEAK PHASE DELAY ON AN ACOUSTO–OPTIC INTERACTIONS, Journal of Al-Nahrain University- Science, 11 (2008) 89-97.

A.M. ALwan, DESIGN AND ANALYSIS OF SOME PARAMETERS FOR CO2 LASER BEAM EXPANDER, Journal of Al-Nahrain University-Science, 11 (2008) 68-73.

A.M. Alwan, N.Z. Abdulzahra, N. Ahmed, N. Halim, Influence of rapid thermal oxidation process on the optoelectronic characteristics of PSI devices, Int. J. Nanoelectronics and Materials, 2 (2009) 157-161.

A.M. Alwan, The Effect Of Thermal Oxidation Time On The Structure And Influence On Optical Properties For Porous Silicon Prepared By Photo Electrochemical Etching, Engineering and Technology Journal, 27 (2009) 727-735.

A.M. Alwan, THE INFLUENCE OF HEATING TREATMENT ON PHYSICALPROPERTIES OF POROUS SILICON, Journal of Al-Nahrain University-Science, 12 (2009) 76-81.

N.Z. Abdulzahra, W.K. Khalaf, A.M. Alwan, Physical Properties of MOS Porous Silicon Detector Fabricated under RTO Method, Engineering and Technology Journal, 27 (2009) 2286- 2291.

A. Ali, S.A. Zahr'aa, A.M. Alwan, Morphological Aspects of Oxidized Porous Silicon Prepared by Photo Electrochemical Etching, Engineering and Technology Journal, 28 (2010) 314- 321.

A.M. Alwan, A.A. Jabbar, Design and fabrication of nanostructures silicon photodiode, Modern Applied Science, 5 (2011) 106.

A.H. Al-Batat, A.M. Alwan, A.K. Al-Kadumi, The effect of the etching time on the electrical properties of nano structure silicon, Iraqi Journal of Physics, 10 (2012) 1-4.

A.M. Alwan, M.Q. Zayer, The Effects of Rapid Thermal Annealing on Photoluminescence Properties of Nanostructures Silicon, Al-Nahrain Journal of Science, 15 (2012) 88-92.

N.M. Ahmed, Y. Al-Douri, A.M. Alwan, A.A. Jabbar, G.E. Arif, Characteristics of nanostructure silicon photodiode using laser assisted etching, Procedia Engineering, 53 (2013) 393-399.

A.M. Alwan, M.S. Jawad, The Photoluminescence Characteristics of Partially and Fully (PN) Porous Silicon, Engineering and Technology Journal, 31 (2013) 391-399.

M.S.M. Jawad, A.M. Alwan, An Investigation of Electrical Properties of (pn) Porous Silicon Layer, Engineering and Technology Journal, 31 (2013) 867-878.

A.M. Alwan, An Investigation of Multi-Porous Silicon Gas Sensor, Engineering and Technology Journal, 32 (2014) 183-190.

A.M. Alwan, The Opto-Electronic Characteristics of Multi-Porosity Silicon System, Engineering and Technology Journal, 32 (2014) 191-197.

E. Abdelrazek, A.M. Alwan, M. Kamal, W.H. Ali, Spectroscopic Aspects of Gradient- Porosity System, INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY , 3 (2014) 298-306 .

A.M. Alwan, M. Kamal, W.H. Ali, Investigation of Structural Properties of Gradient-Porosity Porous Silicon Layer Produced by Laser-Assisted Etching, INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY, 3 (2014) 307-314.

A.M. Alwan, Preparation and Characterization of Nano Porous Silicon for Chemical Detection Applications, Engineering and Technology Journal, 33 (2015) 318-325.

A.M. Alwan, Characterization of (Nanostructures Silver/Silicon Nano Porous) Active Substrates for Surface Enhanced Raman Scattering (SERS) as a Function to Porous Silicon Parameters, Engineering and Technology Journal, 33 (2015) 556-563.

A.M. Alwan, A.J. Hayder, A.A. Jabbar, Study on morphological and structural properties of silver plating on laser etched silicon, Surface and Coatings Technology, 283 (2015) 22-28.

A.M. Alwan, S.M. Ali, Gradient-Porosity Porous Silicon (GPSi) as Anti-reflection Coating in Solar Cells Applications, Engineering and Technology Journal, 33 (2015) 152-159.

H. Waila, M. Kamala, M. Alwanb, E. Abdelrazeka, Synthesis and Characterization of Nanostructured Silicon as Anti-Reflection Layers for Optoelectronic Applications,The Journal of Materials Science, Photon 121 (2015) 214-220.

J.H. Adawyia, M.A. Alwan, A.J. Allaa, Optimizing of porous silicon morphology for synthesis of silver nanoparticles, Microporous and Mesoporous Materials, 227 (2016) 152-160.

] R.A. Ismail, K.S. Khashan, A.M. Alwan, Study of the effect of incorporation of CdS nanoparticles on the porous silicon photodetector, Silicon, 9 (2017) 321-326.

A.M. Alwan, I.A. Naseef, Optimization of photoluminescence properties of Porous silicon by adding gold nanoparticles, Iraqi Journal of Science, 58 (2017) 53-62.

R.A. Ismail, A.M. Alwan, A.S. Ahmed, Preparation and characteristics study of nano-porous silicon UV photodetector, Applied Nanoscience, 7 (2017) 9-15.

A.M. Alwan, A.A. Yousif, L.A. Wali, The growth of the silver nanoparticles on the mesoporous silicon and macroporous silicon: a comparative study, Indian Journal of Pure & Applied Physics (IJPAP), 55 (2017) 813-820.

A.M. Alwan, A.B. Dheyab, Room temperature CO 2 gas sensors of AuNPs/mesoPSi hybrid structures, Applied Nanoscience, 7 (2017) 335-341.

A.M. Alwan, A. Dheyab, A. Allaa, Study of the influence of incorporation of gold nanoparticles on the modified porous silicon sensor for petroleum gas detection, Engineering and Technology Journal, 35 (2017) 811-815.

A. Alwan, R. Abbas, Effects of the porous silicon morphology on the gas sensor performance, International Journal of Engineering Sciences & Research Technology, 6 (2017) 204-217.

A.M. Alwan, A.A. Yousif, L.A. Wali, A study on the morphology of the silver nanoparticles deposited on the n-Type porous silicon prepared under different illumination types, Plasmonics, 13 (2018) 1191-1199.

A.A. Jabbar, A.M. Alwan, A.J. Haider, Modifying and fine controlling of silver nanoparticle nucleation sites and SERS performance by double silicon etching process, Plasmonics, 13 (2018) 1171-1182.

D.A. Hashim, A.M. Alwan, M.F. Jawad, An investigation of Structural Properties of Monometallic (Ag, Pd) and Bimetallic (Ag@ Pd) Nanoparticles Growth on Macro Porous Silicon, International Journal of Nanoelectronics & Materials, 11 (2018).

A.M. Alwan, I.A. Naseef, A.B. Dheyab, Well controlling of plasmonic features of gold nanoparticles on macro porous silicon substrate by HF acid concentration, Plasmonics, 13 (2018) 2037-2045.

A.M. Alwan, R.A. Abbas, A.B. Dheyab, Study the characteristic of planer and sandwich PSi gas sensor (Comparative Study), Silicon, 10 (2018) 2527-2534.

A.M. Alwan, R.B. Rashid, A.B. Dheyab, Morphological and Electrical Properties of gold nanoparticles/macroPorous Silicon for CO2 Gas, Iraqi Journal of Science, 59 (2018) 57-66.

A.M. Alwan, Z.T. Abdulhamied, Synthesis and characterization of porous silicon gas sensors, in: Journal of Physics: Conference Series, IOP Publishing, 2018, pp. 012087.

W.H. Ali, A.B. Dheyab, A.M. Alwan, Optimization and synthesis of gold nanoparticles on N-type porous silicon substrates as highly-gas sensitive, Int. J. Mech. Eng. Technol, 9 (2018).

A.M. Alwan, D.A. Hashim, M.F. Jawad, Optimizing of porous silicon alloying process with bimetallic nanoparticles, Gold Bulletin, 51 (2018) 175-184.

D.A. Hashim, A.M. Alwan, M.F. Jawad, Influence of Ag NPs on Silicon Nanocolumns NH3 Gas Sensors, Journal of The Electrochemical Society, 165 (2018) B773-B778.

A.M. Alwan, L.A. Wali, A.A. Yousif, Optimization of AgNPs/mesoPS active substrates for ultra–low molecule detection process, Silicon, 10 (2018) 2241-2251.

L.A. Wali, K.K. Hasan, A.M. Alwan, Rapid and highly efficient detection of ultra-low concentration of penicillin G by gold nanoparticles/porous silicon SERS active substrate, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 206 (2019) 31-36.

A.B. Dheyab, A.M. Alwan, M.Q. Zayer, Optimizing of gold nanoparticles on porous silicon morphologies for a sensitive carbon monoxide gas sensor device, Plasmonics, 14 (2019) 501-509.

L.A. Wali, A.M. Alwan, A.B. Dheyab, D.A. Hashim, Excellent fabrication of Pd-Ag NPs/PSi photocatalyst based on bimetallic nanoparticles for improving methylene blue photocatalytic degradation, Optik, 179 (2019) 708-717.

Q. Mehdi, M. Alwan, Active control of silver nanostructure aggregates for ultrahigh sensitive SERS detection of organic molecules: single molecule approach, Int J Anoelectron Mater, 12 (2019) 55-66.

A.M. Alwan, D.A. Hashim, M.F. Jawad, CO 2 gas sensor based on macro porous silicon modified with trimetallic nanoparticles, Journal of Materials Science: Materials in Electronics, 30 (2019) 7301-7313.

A.M. Alwan, M.F. Jawad, D.A. Hashim, Enhanced Morphological Properties of Macroporous Silicon with the Incorporation of Au-Ag Bimetallic Nanoparticles for Improved CO 2 Gas Sensing, Plasmonics, (2019) 1-11.

S.M. Abdallah, A.M. Alwan, R.A. Khamis, Effect of discharge time on the size control of AgNPs prepared by non-thermal atmospheric plasma discharge, Journal of Materials Science: Materials in Electronics, (2019) 1-9.

M.Q. Zayer, A.M. Alwan, A.S. Ahmed, A.B. Dheyab, Accurate controlled deposition of silver nanoparticles on porous silicon by drifted ions in electrolytic solution, Current Applied Physics, (2019).

A.A. Jabbar, A.M. Alwan, Efficient detecting of TNT molecules using Palladium nanoparticles/cross shape pores like structure porous silicon, Vibrational Spectroscopy, (2019) 102933.

A.M. Alwan, R.A. Khamis, S.M. Abdallah, Well-Controlled Generation Process of Bimetallic Ag//Au Colloidal Nanoparticles by Non-Thermal Plasma DC Glow Discharge, Iraqi Journal of Science, 60 (2019) 1274-1285.

A.B. Dheyab, L.A. Wali, A.M. Alwan, I.A. Naseef, Perfect incorporation of AuNPs on the p- n+ porous silicon for highly-efficient solar cells, Optik, 198 (2019) 163317.

H.R. Abed, A.M. Alwan, A.A. Yousif, N.F. Habubi, Efficient SnO 2/CuO/porous silicon nanocomposites structure for NH 3 gas sensing by incorporating CuO nanoparticles, Optical and Quantum Electronics, 51 (2019) 333.

A.M. Alwan, D.A. Hashim, M.F. Jawad, Efficient bimetallic nanoparticles embedded-porous silicon CO gas sensor, Solid-State Electronics, 153 (2019) 37-45.

A.M. Alwan, M.F. Jawad, D.A. Hashim, Comparative Study: CO2 Sensing of Palladium Nanoparticles Grown on Normal and Grown Porous Silicon, Journal of Engineering and Applied Sciences, 14 (2019) 5420-5428.

Shahad M. Abdallah, Alwan M. Alwan,Raad A. Khamis, Effect of discharge time on the size control of AgNPs prepared by non‑thermal atmospheric plasma discharge, Journal of Materials Science: Materials in Electronics,(2019).

M.Q. Zayer, A.M. Alwan, A.S. Ahmed, A.B. Dheyab, Accurate controlled deposition of silver nanoparticles on porous silicon by drifted ions in electrolytic solution, Current Applied Physics, (2019).

A.A. Jabbar, A.M. Alwan, Efficient detecting of TNT molecules using Palladium nanoparticles/cross shape pores like structure porous silicon, Vibrational Spectroscopy, (2019) 102933.

A.M. Alwan, R.A. Khamis, S.M. Abdallah, Well-Controlled Generation Process of Bimetallic Ag//Au Colloidal Nanoparticles by Non-Thermal Plasma DC Glow Discharge, Iraqi Journal of Science, 60 (2019) 1274-1285.

Abed HR, Alwan AM, Yousif AA, Habubi NF (2019) Efficient SnO 2/CuO/porous silicon nanocomposites structure for NH 3 gas sensing by incorporating CuO nanoparticles. Optical and Quantum Electronics 51 (10):333.

Dheyab AB, Wali LA, Alwan AM, Naseef IA (2019) Perfect incorporation of AuNPs on the p-n+ porous silicon for highly-efficient solar cells. Optik 198:163317.

Alwan AM, Yousif AA, Abed HR High sensitivity and fast response at the room temperature of SnO2: CuO/PSi nanostructures sandwich configuration NH3 gas sensor. In: AIP Conference Proceedings, 2019. vol 1. AIP Publishing, p 020086.

Jabbar AA, Alwan AM, Zayer MQ, Bohan AJ (2020) Efficient single cell monitoring of pathogenic bacteria using bimetallic nanostructures embedded in gradient porous silicon. Materials Chemistry and Physics 241:122359.

Wali, L.A., Hasan, K.K., Alwan, A.M.: An Investigation of Efficient Detection of Ultra-Low Concentration of Penicillins in Milk Using AuNPs/PSi Hybrid Structure. Plasmonics, 1-9 (2020)

Yousif AA, Alwan AM, Abed HR Optimizing of macro porous silicon morphology for creation of SnO2/CuO nanoparticles. In: AIP Conference Proceedings, 2020. vol 1. AIP Publishing LLC, p 020004

Alwan MA, Mohammed SM, Russul MS (2020) Optimizing plasmonic characteristics of Ag- AuNPs/Nanohillocks Si Heterostructures for efficient SERS performance. International Journal of Nanoelectronics and Materials, Volume 13, No. 2, Apr 2020 [323-340]

Alwan AM, Wali LA, Hasan KK (2020) A new route for developing highly efficient nano biochemical sensors for detecting ultra-low concentrations of tetracycline antibiotic residue in water. Gold Bulletin:1- 8

Alwan AM, Wali LA, Zayer MQ (2020) A new approach of pH‑IEGFET sensor based on the surface modification of macro porous silicon with palladium nanoparticles. OPTICAL AND QUANTUM ELECTRONICS 52 (4)

Alwan AM, Mahmood MJ Using Laser Duty Cycles for Modifying the Performance of Au-NPs/Si Nano Column Hot Spot SERS Sensors, Plasmonics (2020).

Hamoudi WK, Alwan AM, Sulaiman D (2020) Controllable formation of plasmonic gold nanoparticles by pulsed laser–induced etching. Optical and Quantum Electronics 52 (7):1-17

Alwan AM, Mohammed MS, Shehab RM (2020) The Performance of Plasmonic Gold and Silver Nanoparticle-Based SERS Sensors. Iraqi Journal of Science:1320-1327

Optimizing of macro porous silicon morphology for creation of SnO2/CuO nanoparticles ,AIP Conference Proceedings 2213, 020004 (2020); https://doi.org/10.1063/5.0000150

Hamoudi, W.K., Alwan, A.M. & Sulaiman, D. Controllable formation of plasmonic gold nanoparticles by pulsed laser–induced etching. Opt Quant Electron 52, 351 (2020). https://doi.org/10.1007/s11082- 020-02466-7

Abed, H.R., Yousif, A.A., Alwan, A.M. et al. Efficient, fast response, and low cost sensor for NH3 gas molecules based on SnO2: CuO/macroPSi nanocomposites. Appl. Phys. A 126, 917 (2020). https://doi.org/10.1007/s00339-020-04106-z

D. S. Jubaier, W. K. Hamoudi and A. M. Alwan, Laser synthesis of Si nanopillars-based SERS for efficient chlorpyrifos detection, 2nd International Conference on Materials, Laser science and Applied physics (ICMLAP) 2020 9-11 November 2020, Baghdad, Iraq

Mahmood, M. J., & Alwan, A. M. (2021). The Effects of Psi Morphology on the Detection Efficiency of the Au-Nps Hot Spot SERS Sensors. Iraqi Journal of Science, 62(1), 157-166. https://doi.org/10.24996/ijs.2021.62.1.15

Alwan M. Alwan, Mohammed S. Mohammed, and Russul M. Shehab, Optimization of an ultra- sensitive Ag core-Au shell nanoparticle/Si Surface-enhanced Raman scattering (SERS) sensor,AIP Conference Proceedings 2307, 020005 (2020); https://doi.org/10.1063/5.0032762

Alwan, A.M., Zayer, M.Q., Jabbar, A.A. et al. Optimizing the performance of extended-gate field-effect transistor (EGFET) pH sensor by regulating the structural properties of the nanostructured porous silicon layer. J Theor Appl Phys 14, 61–70 (2020). https://doi.org/10.1007/s40094-020-00403-3

Alwan, A.M., Zayer, M.Q., Jabbar, A.A. et al. Optimizing the performance of extended-gate field-effect transistor (EGFET) pH sensor by regulating the structural properties of the nanostructured porous silicon layer. J Theor Appl Phys 14, 61–70 (2020). https://doi.org/10.1007/s40094-020-00403-3

Alwan, A.M., Mohammed, M.S. & Shehab, R.M. Modified laser-etched silicon covered with bimetallic Ag–Au Alloy nanoparticles for high-performance SERS: laser wavelength dependence. Indian J Phys (2020). https://doi.org/10.1007/s12648-020-01845-w

Alwan, A.M., Abed, H.R. & Yousif, A.A. Effect of the Deposition Temperature on Ammonia Gas Sensing Based on SnO2/Porous Silicon. Plasmonics 16, 501–509 (2021). https://doi.org/10.1007/s11468-020- 01300-w

Alwan M.Alwan, Husam R.Abed, Rasha BasharRashi, Enhancing the temporal response of modified porous silicon-based CO gas sensor, Solid-State Electronics, Volumes 181–182, August 2021, 108019

Yousif, A.A., Abed, H.R. & Alwan, A.M. Different Electrode Configurations for NH3 Gas Sensing Based on Macro Porous Silicon Layer. Silicon (2021). https://doi.org/10.1007/s12633-021-01058-8

Raad A.Khamis , Alwan M.Alwan , Amer B.Dheyab Shahad M.Abdallah, Optimization of accurate controlled formation of Au MNPs via non-thermal microplasma continuous glow discharge within aqueous electrochemical (GDE) method, Current Applied Physics, Volume 24, April 2021, Pages 46-53.

Sulaiman, D., Alwan, A.M. & Hamoudi, W.K. Enhanced pesticides’ limit of detection using bimetallic alloys nanoparticles. J Mater Sci: Mater Electron 32, 18689–18698 (2021). https://doi.org/10.1007/s10854-021-06381-9

Alwan M.Alwan , Ali A.Youssef and Aseel A.Chasb, Controllable synthesization of Au nanoparticles by laser enhanced wet KOH etching process, Journal of Physics: Conference Series 1963 (2021) 012009 , doi:10.1088/1742-6596/1963/1/012009.

Akram A. Khalaf , Ali H. Attallah , Amer B. Dheyab , Alwan M. Alwan, Influence of magnetic field on the characteristics of n-type PSi prepared by photo-electro-chemical etching process, Journal of Physics: Conference Series 1963 (2021) 012015, doi:10.1088/1742-6596/1963/1/012015.

Books Author:

Investigations of Porous Silicon Photodetector, Publisher: Allaa Abdul-Jabbar Hussain, Alwan Mohamed Alwan, Naser Mahmoud Ahmed, LAMBERT, Academic publishing,(2011).

Porous silicon fabrication based optoelectronic deevics"Publisher: Mehdi Qasin, Alwan M. Alwan in / LAMBERT, Academic publishing, (2013).

Preparation and Characterization of Hybrid Laser Synthesized Psi, Publisher: Alwan M. Alwan Amer Badr. Dheyab, Academic publishing, (2018).

Investigations of electrical properties of (p-n) junction porous silicon, Publisher:Muna Salih, Alwan Mohamed Alwan, Naser Mahmoud Ahmed, LAMBERT, Academic pu Patents:

Novel Sensor to detect a little Percentage of the chemical contamination by HPSi.

Manufacture of Rare of Very Efficient Chemical Sensors for The Detection of Single Molecules of High Toxicity of Cyanine Dye Employing Porous Silicon of mud – like Structure.

Rare Manufacturing of Very Efficient Gas Sensors Working at Room Temperature by Employing Hybrid Structures of Gold Nanoparticles on Porous Silicon.

Courses:

(Nanostructures materials and their applications) College of Engineering. University of Engineering Missouri, U.S.A., 2013.

(Diagnostics of Nanostructures materials), College of Science. University of Yannenah . Greek. 2014

Undergraduate :-

Mechanics (1st class).

Analysis of Electrical Circuits (2nd class).

Thermodynamics (2nd class).

Electronics (3rd class).

Physics of semiconductor (3rd class).

Projects in Physics (4th class).

Laser systems design (4th class).

Postgraduates Courses :-

Laser sciences. M.SC

Nanotechnology ana Nano photonics. M.SC

Light measurement. P.hD

I got the honors degree because I got first place on the graduates of the Department of Applied Science / University of Technology for the academic year 1990/1991.

I was awarded the golden hour award by the Minister of Higher Education and Scientific Research because I got the first place in the graduates of the Department of Applied Sciences / University of Technology for the academic year 1990/1991.

I was awarded the gold award for Patent-tagged "Manufacture of Rare of Very Efficient Chemical Sensors for The Detection of Single Molecules of High Toxicity of Cyanine Dye Employing Porous Silicon of mud – like Structure." at the First Scientific Conference of Applied Research and Patent. The invention for the period from 17 to 18 April 2018.

I got a grant by the College of Engineering, University of Engineering Missouri, U.S.A., 2013.

I got a grant by the College of Science. University of Yannenah, Greek, 2014.

Wining the second-best researcher award at the University of the Technology, by publishing papers in the Clarivate.