Geeta Sharma

CONTACT

INFORMATION

RZ-**A, Kailashpuri extension street no.2

Palam colony

Palam, 110045, New Delhi, India

Mobile Number- 858-***-****

Email ID: ad5bfm@r.postjobfree.com

RESEARCH

INTERESTS

• Fabrication of 2-dimensional nanostructures (semiconductor thin films including MoS2, WS2, and ReS2 monolayer).

• Investigation of ultrafast dynamics of various atomic and molecular systems.

• Investigation of structural, morphological, electrical, and linear-and-nonlinear optical properties of nanostructures.

• Investigation of discrete density of states of a single nanostructure using near-field scan- ning optical microscopy (NSOM) and confocal microscopy.

• Modeling of optical processes in nanostructures.

• Manipulating light-matter interactions at nanoscale.

• Nanoplasmonics.

• Nanoelectronics.

• Biomedical optics.

WORK

EXPERIENCE

Journal of Visualized Experiments, 625 Massachusetts Ave., 2nd Floor, Cambridge, MA Science Writer Aug 2021-Nov 2022

Team Manager: Dr. Aditi Soni

• Based on the feedback from the customer success team and subject matter experts, conduct the literature review to form the table of content and formulate standardization for the entire unit.

• Creating and editing educational content at the undergraduate level for publications using Power point and MS-word. It includes writing scripts, storyboards, page texts, and quizzes for the Core Physics and engineering products.

• Conduct scientific reviews of the work of voiceover artists, illustrators, and animators. I also conduct peer reviews. Edit and proofread articles to ensure accuracy, clarity, and adherence to style guides.

• Coordinate with graphic designers (illustrators and animators) and production teams to en- sure timely content publication.

• Collaborate with editors to develop new editorial policies and procedures to improve work- flow and productivity.

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RESEARCH

EXPERIENCE

Carl Von Ossietzky University of Oldenburg, Oldenburg, Germany Postdoctoral fellow Jan 2024 - till today

Project Title: Spin coherences during radical pair formation in cryptochromes Principal Investigator : Prof. Dr. Christoph Lienau Indian Institute of Technology Gandhinagar, Gandhinagar, Gujrat, India Research associate Jan 2021 - July 2021

Project Title: Development of reusable plasmonic platforms for specific detection of Covid-19 RNA at ultralow concentrations using home built confocal microscope Principal Investigator: Dr. Saumyakanti Khatua

• Worked in the field of biophotonics involving synthesis of nanoparticles, handling of RNA and DNA and their selective binding with the metal nanoparticles.

• Analysing the binding of RNA with nanoparticles with home built confocal microscopy.

• Analysed and interpreted data using data analysis software Origin and Python.

• Prepared research reports and presentations using Power point for discussing the growth of project and further funding of the project.

• Collaborated and communicated with the other funding agency to provide training to work efficiently for the development of the project.

Indian Institute of Technology Bombay, Mumbai, Maharashtra, India Doctoral (Ph.D.) Student Dec 2015 - August 2020

Thesis Title: Investigations of material excitations of monolayer MoS2 and MoS2/gold hybrid nanostructures

Supervisor: Prof. Parinda Vasa

Junior Research Fellow, Indian Institute of Technology Bombay, Mumbai, Maharashtra, 31st December 2016 to 2nd January 2020

• Conducted research in nanophotonics, focusing on linear and non-linear characterization of monolayer MoS2 and its hybrid structures with different types of gold nanostructures.

• Significantly contributed to the development of Surface enhanced Raman spectroscopy based biosensor.

• Performed the experiments using different continuous wave and pulsed lasers to determine the inter-facial interaction of semiconducting material like MoS2 and gold nanostructures.

• In-depth study of Raman spectroscopy involving different types of commercial and home- grown samples.

• Collaborated with University of Oldenburg, Germany and National University of Korea to validate the experimental results with simulation.

• Communicated research findings to expert/non-expert audiences through Power point pre- sentations and publications.

Senior Research Fellow, Indian Institute of Technology Bombay, Mumbai, Maharashtra, 31st December 2016 to 2nd January 2020

• Utilized scanning electron microscopy (SEM) and transmission electron Microscopy (TEM) for surface characterization of various samples.

• Worked with ultrafast laser for lithographic purpose on gold film.

• Utilization of Raman spectroscopy, UV-Visible, Photoluminiscence, Pump-probe spectro- scopic tools for sample characterization.

• Communicated research findings to expert/non-expert audiences through Power point pre- sentations and publications.

EDUCATION Indian Institute of Technology Bombay, Mumbai, Maharashtra, India Ph.D., Physical Sciences 2015-2020

Banaras Hindu University, Varanasi, India

M.Sc., Physics 2012-2014 71%

University of Delhi, New Delhi, India

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B.Sc.(Hons.), Physics 2009-2012 70%

(XIIth) (CBSE), Science 2008-2009 83%

(Xth) (CBSE) 2008-2009 87%

INSTRUMENTAL &

COMPUTATIONAL

EXPERTISE

Computational Skills

Programming language

• Fortran90, Python and C programming

Softwares

• Proficient in Microsoft Office Suite mainly in Power Point and MS-office.

• Software: MATLAB, LABVIEW, LabSPEC6, GNUPLOT, ImageJ, XmGrace and Ori- gin.

Intrumental Skills

• Mass spectroscopy

• High performance liquid chromatography (HPLC)

• Surface Enhanced Raman Spectroscopy (SERS) (Horiba 800)

• Angle resolved reflectivity measurements

• Surface plasmon resonance measurements in KR geometry

• Mach Zender interferometer

• Atomic Force and Kelvin Probe Force Microscopy (AFM)

• Photoluminescence (PL) (Andor technology and Varian)

• UV visible spectrophotometer (Perklin and Elmer Lambda 950)

• Photoluminescence Mapping and Raman Mapping (Horiba 800)

• Cyclic Voltammetry (CV)

• Pump-probe with femtosecond laser

• High Resolution Transmission Electron Microscopy (HRTEM)

• Near-field Scanning Optical Microscopy (NSOM)

• Home-built optical set-up for understanding extraordinary transmission through nanoaper- tures. This set-up is also used for PL studies of hybrid system of semicondutor/nanoaperture.

• Confocal microscopy for single molecule detection AWARDS/

FELLOWSHIPS

Academics Awards

• Senior research fellowship by Ministry of human resources and development (MHRD), In- dia. Jan, 2017-2020

• Junior research fellowship by Ministry of human resources and development (MHRD), In- dia. Jan, 2016 - Jan, 2017

• Qualified Graduate Aptitude Test for Engineering (GATE 2015, 2016) in Physical Sciences.

• Best poster awardee in the international conference “6th MRS trilateral Symposium on Ad- vances in Nanomaterials: Energy, Water and Healthcare" held in Mohali. Travel Awards & fellowship

• DST-DAAD fellow for project “Strong light-matter interactions in active metallic nano- antennas" in University of Oldenburg, Germany (2018)

• International travel fellowship for “Summer School on Laser and Laser Applications (SSOLLA) in Gwangju Institute of Science and Technology (GIST), South Korea (2017). 3 of v

SCHOOLS AND

CONFERENCES Attended

• Ultrashort laser induced melting and fragmentation of colloidal gold nanoparticles, Geeta Sharma, Parinda Vasa and B. P. Singh, International workshop on Complex Photonics

(CP 2017), TIFR, Mumbai, January 22-24, 2017 (Poster Presentation).

• Surface plasmon polariton mediated light-matter interactions in monolayer molybdenum disulfide-nanoantenna hybrid structures, Geeta Sharma, Astha Singh, Parinda Vasa, 8th International Conference on Metamaterials, Photonics Crystals and Plasmonics (META 2017), South Korea, July 25-28, 2017.

• Surface plasmon polariton mediated light-matter interactions in monolayer molybdenum disulphide -nanoantenna hybrid structures, Geeta Sharma, Astha Singh, P. S. Aparna, B. P. Singh and Parinda Vasa, DAE – BRNS Theme Meeting on Ultrafast Science 2017

(UFS-2017), University of Hyderabad, Hyderabad, November 02-04, 2017.

• Laser written single crystalline and poly-crystalline gold substrates for surface enhanced Raman spectroscopy, Geeta Sharma, Astha Singh, P. S. Aparna, B. P. Singh and Parinda Vasa, DAE – BRNS Theme Meeting on Ultrafast Science 2016 (UFS-2016), Bhabha Atomic Research centre (BARC), Mumbai, November 24-26, 2016. Oral Presentation

• Raman spectroscopy of metal-MoS2 hybrid nanostructures, Geeta Sharma, Parinda Vasa and B. P. Singh, DFG-IIT Bombay Workshop on Nano-photonics, IIT Bombay, Mumbai, 20-21st November, 2017.

• Effect of surface plasmon resonances on phonon modes and exciton photoluminescence in monolayer MoS2, Geeta Sharma, Parinda Vasa and B. P. Singh, Powai Perspectives in Physics, IIT Bombay, Mumbai, October 12-13, 2018.

• Investigations of material excitations of monolayer MoS2 and MoS2/gold hybrid nanos- tructures, Geeta Sharma, Parinda Vasa and B. P. Singh, Invited talk, TIFR, Mumbai, February 5, 2020.

• Optically tunable charge carrier injection in monolayer MoS2, Geeta Sharma, Shraddha M Rao, Parinda Vasa and B. P. Singh, Invited talk, LITE (Light for Innovation, Thought, and Education ) IEEE OSA Student Chapter IIT Bombay, Mumbai, September 13, 2020. PUBLICATIONS [1] Geeta Sharma, Shraddha M Rao, Bhanu Pratap Singh, Parinda Vasa, “Optically tun- able charge carrier injection in Monolayer MoS2”.,Applied Physics A (2020) 126:663.

[2] Geeta Sharma, Astha Singh, Rahul Sharma, B. P. Singh, Parinda Vasa, “Strain and Plasmonic Field Induced Modifications of Material Excitation Response in Monolayer MoS2”., J. Appl. Phys. 125, 063101 (2019).

[3] Astha Singh, Geeta Sharma, Bhanu Pratap Singh, Parinda Vasa, “Charge-Induced Lattice Compression in Monolayer MoS2”. The Journal of Physical Chemistry C 123, 179**-***** (2019).

[4] Astha Singh, Geeta Sharma, R.Ghosh, Sukhendu Nath, Bhanu Pratap Singh Parinda Vasa. “Strong dipole interaction between chlorophyll-a molecules and surface plasmon polaritons”. The Journal of Physical Chemistry C 123, 169**-***** (2019).

[5] Astha Singh, Geeta Sharma, Neeraj Ranjan, Kshitij Mittholiya, Anuj Bhatnagar, B. P. Singh, Parinda Vasa, “Controlling material birefringence in sapphire via self-assembled, sub-wavelength defects,”. Applied Physics B 124(2), 20 (2018). 4 of v

[6] Astha Singh, Geeta Sharma, Neeraj Ranjan, Kshitij Mittholiya, Anuj Bhatnagar, B. P. Singh, Deepak Mathur, Parinda Vasa, “Laser writing of single-crystalline gold sub- strates for surface enhanced Raman spectroscopy”., Materials Research Express 4(7), 075027 (2017).

TEACHING

EXPERIENCE

Teaching Assistance

• Modern physics lab for teaching experimental and theoretical aspects of optical set-ups like Mach Zender interferometry, surface plasmon resonance and spatial filtering. REFERENCES Parinda Vasa e-mail:ad5bfm@r.postjobfree.com

Professor

Department of Physics

IIT Bombay, India.

B. P. Singh e-mail:ad5bfm@r.postjobfree.com

Professor

Department of Physics

IIT Bombay, India.

Tapanendu Kundu e-mail:ad5bfm@r.postjobfree.com

Professor

Department of Physics

IIT Bombay, India.

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