Ms. Madhuri Mishra Profile

Madhuri Mishra

Research Scholar at Indian Institute of Technology Bombay

SPIE Involvement:

Author | Career Lab Editorial Board

Area of Expertise:

Wide Band Gap Semiconductor , Photo-detector , Nanofabrication , Optoelectronics , Thin Film Growth and Characterisation

Websites:

Personal Website

Madhuri Mishra is a research scholar at the Centre for Research in Nanotechnology & Science at the Indian Institute of Technology Bombay. Her research interests include the deposition, characterization, and fabrication of wide-bandgap thin films/nanostructures for deep UV detector applications. Also, she is interested in working with semiconductor devices like detectors, LEDs, sensors, etc. She has obtained an MTech degree in Electronics & Communication Engineering from Harcourt Butler Technical University Kanpur. After completing her MTech, she worked as a Sr. Project Technical Assistant at the Indian Institute of Technology Bombay. She has served as president of the SPIE IIT Bombay student chapter during 2020-21 and as a Secretary of the SPIE IIT Bombay student chapter during 2021-22. She was also a member of the Editorial Board of SPIE Career Lab 2020-2021. She was a member of the Early Career and Student Subcommittee (ECS) 2020-2022.

Proceedings Article | 15 March 2024 Poster + Paper

Comparative study of ZnO and WO3 thin films grown by pulsed laser deposition at similar substrate temperatures

Amitabha Nath, Madhuri Mishra, Subhananda Chakrabarti

Proceedings Volume 12887, 128870O (2024) https://doi.org/10.1117/12.3013057

KEYWORDS: Zinc oxide, Thin films, Ultraviolet radiation, Crystals, Light emitting diodes, Silicon, Diffraction, Pulsed laser deposition, Thin film growth, Semiconductors

Read Abstract +

Proceedings Article | 5 October 2023 Poster + Paper

Validation of stable p-type phosphorus (P) doped ZnO thin films formation by investigating the photoresponse properties of P: ZnO/Ga2O3 heterojunctions

Archishman Saha, Madhuri Mishra, Rajib Saha, Avijit Dalal, Ankita Sengupta, Aniruddha Mondal, Sanatan Chattopadhyay, Subhananda Chakrabarti

Proceedings Volume 12651, 1265109 (2023) https://doi.org/10.1117/12.2677483

KEYWORDS: Zinc oxide, Heterojunctions, Thin films, Switching, Gallium, Photodetectors, Silicon, Phosphorus, Optoelectronic devices, Electrical conductivity

Read Abstract +

Proceedings Article | 3 October 2023 Poster + Paper

Impact of UV-ozone (UVO) treatment on optical and electrical properties of RF sputtered Ga2O3 thin films for opto-electronic application

Madhuri Mishra, Rajib Saha, Sangita Bhowmick, Subhananda Chakrabarti

Proceedings Volume 12653, 126530K (2023) https://doi.org/10.1117/12.2679102

KEYWORDS: Ultraviolet radiation, Gallium, Ozone, Thin films, Annealing, UV optics, Dark current, Atomic layer deposition, Surface roughness, Electrical properties

Read Abstract +

Proceedings Article | 16 March 2023 Poster + Paper

Temperature induced conductivity reversal in ZnO thin films

Madhuri Mishra, Sangita Bhowmick, Rajib Saha, Sushil Kumar Pandey, Subhananda Chakrabarti

Proceedings Volume 12422, 124220S (2023) https://doi.org/10.1117/12.2650315

KEYWORDS: Zinc oxide, Annealing, Oxygen, Electrical conductivity, Zinc, X-ray photoelectron spectroscopy, Thin films, Temperature metrology, Doping, Photoluminescence

Read Abstract +

Proceedings Article | 16 March 2023 Presentation + Paper

Investigation of structural, optical, and photo responsive properties of erbium (Er) doped ZnO nanowire/p-Si heterojunction nanodevices for developing self-powered UV-detectors

Rajib Saha, Madhuri Mishra, Subhananda Chakraborti

Proceedings Volume 12422, 124220A (2023) https://doi.org/10.1117/12.2650556

KEYWORDS: Erbium, Zinc oxide, Heterojunctions, UV optics, Nanowires, Nanostructures, Ultraviolet radiation, Zinc, Ultraviolet detectors, Silicon

Read Abstract +

Ultraviolet (UV) photodetectors have gained vast technological interest over the past few years due to its wide band of applications in the emerging areas of intersatellite communications, astronomical studies, and biological applications. The present challenge in UV-detector development is to improve its photosensitivity, selectivity and response time with low power consumption, which create motivation to design and fabricate the self-powered heterojunctions devices. In this work, ntype Er-doped ZnO nanowires are grown on p-type Si to make a heterojunction device by using double-step chemical bath deposition (CBD) process. The crystalline nature, morphology, optical parameters are studied in detail by using SEM, XRD, CL and UV-Vis, respectively. The XRD results confirm the growth of vertical nanowires with (002) dominant planes and such peak shifts with the increasing Er-doping, which indicates the structural modifications and strain generation due to the substitutions of Er in ZnO lattice. The optical bandgaps of the Er-doped and undoped ZnO nanowires are estimated from UV-Vis absorbance, and corresponding change in optical properties with increasing doping concentrations are studied in detail. Room temperature CL spectra confirms the reduction of oxygen vacancy related surface defects in the nanowires with increasing Er doping concentrations due to the higher bond-dissociation energy between Er-O than Zn-O. The electrical properties of the undoped and Er-doped ZnO nanowires/Si heterojunctions are investigated by measuring I-V and such results exhibit superior heterojunction properties in terms of rectification ratio, ideality factor and barrier height. Finally, selective Er-doped ZnO nanowires heterojunction shows best self-powered photoresponse under relatively low power UV illumination and such improvement in responsivity, photo-to-dark current ratio and response speed of heterojunctions is attributed to the reduction of oxygen vacancy related defects due to Er-incorporation. Therefore, current work provides an insight into the development of self-powered UV detectors by employing a cost-effective doing technique.

Proceedings Article | 3 October 2022 Paper

Reduction of oxygen vacancy related defects in RF sputtered deposited ZnO films by impurity (phosphorus) incorporation

Madhuri Mishra, Rajib Saha, Sangita Bhowmick, Sushil Kumar Pandey, Kantimay Das Gupta, Subhananda Chakrabarti

Proceedings Volume 12202, 1220205 (2022) https://doi.org/10.1117/12.2633292

KEYWORDS: Zinc oxide, Oxygen, Phosphorus, Doping, Luminescence, Zinc, Ultraviolet radiation, Sensors, Semiconductors, Optical properties

Read Abstract +

Proceedings Article | 3 October 2022 Presentation + Paper

Oxygen mediated optical and electrical property modification of RF sputtered Ga2O3 thin films for photodetector application

Sangita Bhowmick, Rajib Saha, Madhuri Mishra, Arnab Mandal, Ankita Sengupta, Ankush Bag, Sanatan Chattopadhyay, Subhananda Chakrabarti

Proceedings Volume 12202, 1220204 (2022) https://doi.org/10.1117/12.2633278

KEYWORDS: Oxygen, Gallium, Thin films, Luminescence, Crystals, Photodetectors, Ultraviolet radiation, Heterojunctions, Deep ultraviolet, Argon

Read Abstract +

Proceedings Article | 3 October 2022 Paper

Impact of erbium (Er) doping in structural, optical and electrical properties of Ga2O3 nanostructures/Si heterojunction

Rajib Saha, Sangita Bhowmick, Madhuri Mishra, Ankita Sengupta, Sanatan Chattopadhyay, Subhananda Chakrabarti

Proceedings Volume 12201, 1220105 (2022) https://doi.org/10.1117/12.2633319

KEYWORDS: Nanostructures, Heterojunctions, Erbium, Silicon, Luminescence, Doping, Sputter deposition, Absorbance, UV optics, Oxygen

Read Abstract +

Proceedings Article | 3 October 2022 Presentation + Paper

Effect of post-deposition annealing ambient on gallium oxide (Ga2O3) films

Madhuri Mishra, Rajib Saha, Sangita Bhowmick, Sushil Kumar Pandey, Subhananda Chakrabarti

Proceedings Volume 12201, 1220108 (2022) https://doi.org/10.1117/12.2633307

KEYWORDS: Annealing, Gallium, Oxygen, Luminescence, Oxides, Thin films, Optical properties, Crystals, Atomic force microscopy, X-ray diffraction

Read Abstract +

Proceedings Article | 3 October 2022 Poster + Presentation + Paper

Investigation of selective rare-earth dopant (yttrium) incorporation on structural, optical, and unusual blue luminescence properties of ZnO nanowires

Rajib Saha, Madhuri Mishra, Sanatan Chattopadhyay, Subhananda Chakraborti

Proceedings Volume 12200, 122000D (2022) https://doi.org/10.1117/12.2633302

KEYWORDS: Zinc oxide, Nanowires, Zinc, Luminescence, Doping, Silicon, Absorption, Oxygen, Crystals, Yttrium

Read Abstract +

Proceedings Article | 1 August 2021 Poster + Paper

Doping of ZnMgO with phosphorus by spin‐on dopant technique

Madhuri Mishra, Sushama Sushama, Sushil Pandey, Subhananda Chakrabarti

Proceedings Volume 11800, 118001B (2021) https://doi.org/10.1117/12.2594820

KEYWORDS: Phosphorus, Magnesium, Doping, Zinc oxide, Oxygen, Excitons, Annealing, Zinc, Statistical analysis, Luminescence

Read Abstract +

Proceedings Article | 1 August 2021 Poster + Paper

Improvement in optical and elemental properties of spin-on phosphorus doped ZnO film

Madhuri Mishra, Sushama Sushama, Sushil Kumar Pandey, Subhananda Chakrabarti

Proceedings Volume 11800, 118001A (2021) https://doi.org/10.1117/12.2594808

KEYWORDS: Zinc oxide, Phosphorus, Zinc, Chemical species, Doping, Oxygen, Chemical elements, Annealing, Luminescence, Ions

Read Abstract +

Proceedings Article | 21 August 2020 Poster + Presentation + Paper

Effect of UV-Ozone annealing on the transient characteristics of ZnMgO thin film UV-Vis photodetector

Md Jawaid Alam, Madhuri Mishra, Punam Murkute, Sushama Sushama, Hemant Ghadi, Subhananda Chakrabarti

Proceedings Volume 11465, 114651G (2020) https://doi.org/10.1117/12.2569020

KEYWORDS: Photodetectors, Annealing, Oxygen, Thin films, Sensors, Ultraviolet radiation, Switching, Silicon

Read Abstract +

Proceedings Article | 21 August 2020 Poster + Paper

Effect of seed layer thickness on the growth of ZnO nanorods

Madhuri Mishra, Md Jawaid Alam, Subhananda Chakrabarti

Proceedings Volume 11465, 114651F (2020) https://doi.org/10.1117/12.2569017

KEYWORDS: Nanorods, Zinc oxide, Oxygen, Annealing, Scanning electron microscopy, Luminescence, X-ray diffraction, Sputter deposition, Crystals

Read Abstract +

Showing 5 of 14 publications

Keywords/Phrases

Search In:

Publication Years