Collaborative Advanced Spectroscopy Facility for Materials and Devices

Illuminating the biochemical interaction of antimicrobial few-layer black phosphorus with microbial cells using synchrotron macro-ATR-FTIR

ZL Shaw, S Cheeseman, LZY Huang, R Penman, T Ahmed, SJ Bryant, G Bryant, AJ Christofferson, R Orrell-Trigg, C Dekiwadia, VK Truong, JP Vongsvivut, S Walia, A Elbourne

2021-12-20

In the fight against drug-resistant pathogenic bacterial and fungal cells, low-dimensional materials are emerging as a promising a..

Mixed Ionic-Electronic Charge Transport in Layered Black-Phosphorus for Low-Power Memory

Taimur Ahmed, Sruthi Kuriakose, Sherif Abdulkader Tawfik, Edwin LH Mayes, Aishani Mazumder, Sivacarendran Balendhran, Michelle JS Spencer, Deji Akinwande, Madhu Bhaskaran, Sharath Sriram, Sumeet Walia

2021-11-23

Availability of computing will be strongly limited by global energy production in 1–2 decades. Computing consumes 4–5% of global e..

Broad-Spectrum Solvent-free Layered Black Phosphorus as a Rapid Action Antimicrobial

ZL Shaw, S Kuriakose, S Cheeseman, ELH Mayes, A Murali, ZY Oo, T Ahmed, N Tran, K Boyce, J Chapman, CF McConville, RJ Crawford, PD Taylor, AJ Christofferson, VK Truong, MJS Spencer, A Elbourne, S Walia

2021-04-21

Antimicrobial resistance has rendered many conventional therapeutic measures, such as antibiotics, ineffective. This makes the tre..

Monocrystalline Antimonene Nanosheets via Physical Vapor Deposition

Sruthi Kuriakose, Shubhendra Kumar Jain, Sherif A Tawfik, Michelle JS Spencer, Billy J Murdoch, Mandeep Singh, Fahmida Rahman, Edwin LH Mayes, Mohammad Yousef Taha, Rajour Tanyi Ako, Vipul Bansal, Taimur Ahmed, Sharath Sriram, Madhu Bhaskaran, Sivacarendran Balendhran, Sumeet Walia

2020-12-17

Among the family of elemental 2D materials, antimonene is predicted to have a desirable combination of bandgap tunability and exce..

Artificial Somatosensors: Feedback Receptors for Electronic Skins

Md Ataur Rahman, Sumeet Walia, Sumaiya Naznee, Mohammad Taha, Shruti Nirantar, Fahmida Rahman, Madhu Bhaskaran, Sharath Sriram

2020-11-01

<jats:sec><jats:label/><jats:p>The human skin is the largest sensory organ, made up of complex sensors that detect noxious stimuli..

Electrically Activated UV-A Filters Based on Electrochromic MoO3- x

A Arash, SA Tawfik, MJS Spencer, S Kumar Jain, S Arash, A Mazumder, E Mayes, F Rahman, M Singh, V Bansal, S Sriram, S Walia, M Bhaskaran, S Balendhran

2020-04-08

Chromism-based optical filters is a niche field of research, due to there being only a handful of electrochromic materials. Typica..

Charge injection in vertically stacked multi-layer black phosphorus

Sruthi Kuriakose, Rama Vasudevan, Taimur Ahmed, Chenglong Xu, Sharath Sriram, Madhu Bhaskaran, Sivacarendran Balendhran, Sumeet Walia

2020-03-01

The efficiency of any electronic device is highly reliant on the charge-injection efficiency at the electrical contact and semicon..

Dual Selective Gas Sensing Characteristics of 2D alpha-MoO3-x via a Facile Transfer Process

Fahmida Rahman, Ali Zavabeti, Md Ataur Rahman, Aram Arash, Aishani Mazumder, Sumeet Walia, Sharath Sriram, Madhu Bhaskaran, Sivacarendran Balendhran

2019-10-30

Metal oxide-based gas sensor technology is promising due to their practical applications in toxic and hazardous gas detection. Ort..

Large-area synthesis of 2D MoO3-x for enhanced optoelectronic applications

Aram Arash, Taimur Ahmed, Ananth Govind Rajan, Sumeet Walia, Fahmid A Rahman, Aishani Mazumder, Rajesh Ramanathan, Sharath Sriram, Madhu Bhaskaran, Edwin Mayes, Michael S Strano, Sivacarendran Balendhran

2019-07-01

Two-dimensional (2D) molybdenum trioxide has been attracting research interest due to its bandgap tunability and a wide variety of..

Generating strong room-temperature photoluminescence in black phosphorus using organic molecules

Sruthi Kuriakose, Taimur Ahmed, Patrick Taylor, Yi Zhu, Michelle JS Spencer, Sivacarendran Balendhran, Yuerui Lu, Vipul Bansal, Sharath Sriram, Madhu Bhaskaran, Sumeet Walia

2019-01-01

Black phosphorus (BP) exhibits fascinating thickness dependent optical and electronic characteristics. However, photoluminescence ..

Reversible resistive switching behaviour CVD grown, large area MoOx

Fahmida Rahman, Taimur Ahmed, Sumeet Walia, Edwin Mayes, Sharath Sriram, Madhu Bhaskaran, Sivacarendran Balendhran

2018-11-14

Non-volatile resistive memory devices are theorized to be the most promising pathway towards analog memory and neuromorphic comput..

Effects of plasma-treatment on the electrical and optoelectronic properties of layered black phosphorus

Sruthi Kuriakose, Taimur Ahmed, Sivacarendran Balendhran, Gavin E Collis, Vipul Bansal, Igor Aharonovich, Sharath Sriram, Madhu Bhaskaran, Sumeet Walia

2018-09-01

Exfoliated few-layer black-phosphorus (BP) has been explored for a variety of electrical and optoelectronic applications. Plasma-a..

Insulator-metal transition in substrate-independent VO2 thin film for phase-change devices

Mohammad Taha, Sumeet Walia, Taimur Ahmed, Daniel Headland, Withawat Withayachumnankul, Sharath Sriram, Madhu Bhaskaran

2017-12-20

Vanadium has 11 oxide phases, with the binary VO2 presenting stimuli-dependent phase transitions that manifest as switchable elect..

Degradation of black phosphorus is contingent on UV–blue light exposure

T Ahmed, S Balendhran, MN Karim, ELH Mayes, MR Field, R Ramanathan, M Singh, V Bansal, S Sriram, M Bhaskaran, S Walia

2017-12-01

Layered black phosphorous has recently emerged as a promising candidate for next generation nanoelectronic devices. However, the r..

Two-dimensional MoO3 via a top-down chemical thinning route

F Rahman, T Ahmed, S Walia, E Mayes, S Sriram, M Bhaskaran, S Balendhran

2017-09-01

Two-dimensional MoO<inf>3</inf> is a versatile planar material, whose properties can be readily tuned, rendering it anywhere from ..

Ambient Protection of Few-Layer Black Phosphorus via Sequestration of Reactive Oxygen Species

S Walia, S Balendhran, T Ahmed, M Singh, C El-Badawi, MD Brennan, P Weerathunge, MN Karim, F Rahman, A Rassell, J Duckworth, R Ramanathan, GE Collis, CJ Lobo, M Toth, JC Kotsakidis, B Weber, M Fuhrer, JM Dominguez-Vera, MJS Spencer

2017-07-19

Few-layer black phosphorous (BP) has emerged as a promising candidate for next-generation nanophotonic and nanoelectronic devices...

Defining the role of humidity in the ambient degradation of few-layer black phosphorus

S Walia, Y Sabri, T Ahmed, MR Field, R Ramanathan, A Arash, SK Bhargava, S Sriram, M Bhaskaran, V Bansal, S Balendhran

2017-03-01

Few-layer black phosphorus (BP) is an emerging material of interest for applications in electronics. However, lack of ambient stab..