ensaf mohammed alkhalqi, muhammad azmi abdul hamid, naif h. alhardan, lim kar keng, azman jalar.  (2022).  magnesium doped zno nanorod electrolyte-insulator-semiconductor (eis) sensor for detecting organic solvents..  - ieee sensors journal.  11783-11790. 

anas a. ahmed, talal f. qahtan, m.r. hashim, ahlaam t. nomaan, naif h al-hardan, marzaini rashid.  (2022).  eco-friendly ultrafast self-powered p-si/n-zno photodetector enhanced by photovoltaic-pyroelectric coupling effect.  - ceramics international.  16142-16155. 

naif h. al-hardan, muhammad azmi abdul hamid, lim kar keng, ensaf mohammed al-khalqi, azman jalar, wee siong chiu.  (2021).  low-cost fabrication of a ph sensor based on writing directly over parchment-type paper with pencil.  - journal of materials science: materials in electronics.  9431-9439. 

ensaf mohammed al-khalqi, muhammad azmi abdul hamid, naif h. al-hardan, lim kar keng.  (2021).  highly sensitive magnesium-doped zno nanorod ph sensors based on electrolyte-insulator-semiconductor (eis) sensors.  - sensors.  1-16. 

naser m. ahmed, fayroz a. sabah, naif h. al-hardan, munirah a. almessiere , way foong lim, sabah m. mohammed, maadh jumaah, a.k.m. shafiqul islam, z. hassan, hock jin quah, naveed afzal.  (2021).  development of egfet-based ito ph sensors using epoxy free membrane.  - semiconductor science and technology.  45027-45037. 

naif h. al-hardan, muhammad azmi abdul hamid, mohd firdaus-raih, lim kar keng, ensaf mohammed al-khalqi, azman jalar.  (2021).  calcium ion-selective electrode based on the facile synthesis of cuo over cu wires.  - journal of materials science: materials in electronics.  1-12. 

ensaf mohammed. al-khalqi, muhammad azmi abdul hamid, roslinda shamsudin, naif h. al-hardan, lim kar keng, azman jalar.  (2021).  zinc oxide nanorods electrolyte insulator semiconductor sensors for enhanced 2-methoxythanol selectivity.  - ieee sensors journal.  6234-6240.