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Physics



Ramesh Budhani

Dr. Ramesh C. Budhani

Professor of Physics & Engineering Physics, Physics

Office: Calloway Hall 119
Phone: (443) 885-1017
Ramesh.Budhani@morgan.edu

Education: Ph.D. in Physics, Indian Institute of Technology Delhi, Post-Doctoral Research - University of California Los Angeles. 

Current adjunct appointments: Adjunct Professor, Physics Department – Johns Hopkins University & Adjunct Professor, Physics Department – University of Maryland College Park.

Earlier Appointments: Staff Scientist - Brookhaven National Laboratory, Professor of Physics – IIT Kanpur, Director – National Physical Laboratory, India.

Research Interests:

Quantum phenomena in low dimensional systems: spin-orbit effects at heavy metal - ferromagnet and topological insulator - ferromagnet interfaces, interface magnetism, Magnetogalvanic and magnetocaloric effects in magnetic heterostructures, topological spin configurations in magnetic thin films, radio frequency magnetization dynamics at cryogenic temperatures, photogalvanic effects in two-dimensional (2D) semiconductors such as transition metal dichalcogenides and 2D ferroelectrics. Thin film epitaxy and synthesis of novel thin film heterostructures with physical and chemical vapor deposition techniques. Single crystal growth with chemical vapor transport. 

Selected Publications

    1. Rabindra Basnet and Ramesh C. Budhani, “Quenching the noncollinear spin order in high-Tc layered ferromagnet Fe5GeTe2”, Phys. Rev. Mater. 9, 124412 (2025).
    2. Tamal Kumar Dalui, John Derek Demaree, Thomas Parker, and Ramesh C. Budhani, “ Magnetic order in pulsed laser deposited films of van der Waals magnet (Fe,Ni)5GeTe2, Appl. Phys. Lett. 127, 182407 (2025).
    3. Abhishek Bajgain, Santu Prasad Jana, Subhashree Chatterjee, Alexander Samokhvalov, Thomas Parker, John Derek Demaree, Anjana Asthana, Cameron Shock, and Ramesh C. Budhani “Selenization of V2O5/WO3 Bilayers for Tuned Optoelectronic Response of WSe2 Films” Appl. Phys. Lett. 127, 083301 (2025).
    4. Rajeev Nepal, Vinay Sharma, Jerzy T. Sadowski, and Ramesh C. Budhani, Anomalous and planar Hall effects in Co1−xHox thin films across the magnetic sublattice compensation temperature J. Appl. Phys. 138, 043902 (2025).
    5. Tamal Kumar Dalui, Hari Paudyal, Durga Paudyal, and Ramesh C Budhani, “Intrinsic Berry phase contribution to Hall conductivity in CoS2”,  Phys. Rev. B 112, 094418 (2025).
    6. Rohit R Srivastava, Serene Kamal, Alexander Samokhvalov, Susanna Thon and Ramesh C Budhani, “Unveiling the photo-physical properties of NaCl promoted large area WS2 monolayers, J. Appl. Phys. 137, 204301 (2025).
    7. Rohit R Srivastava, Serene Kamal, Ravinder Kumar, Alexander Samokhvalov, David Shrekenhamer, Susanna Thon and Ramesh C Budhani, “Optoelectronic responses of large area WSe2 synthesized by chemical conversion of WO3”, Thin Solid Films 807, 140535 (2024).
    8. Vinay Sharma, Ezana Negusse, Ravinder Kumar, and Ramesh C. Budhani; “Ferromagnetic resonance measurement with frequency modulation down to 2 Kelvin”, Rev. Sci. Instr. 95, 063902 (2024), https://doi.org/10.1063/5.0190105https://doi.org/10.1063/5.0190105
    9. Rajeev Nepal, Prabesh Bajracharya, Ravinder Kumar, Rajeswari Kolagani, and Ramesh C. Budhani, Thermoelectric response of textured Sb2Te3–BiSb and Sb2Te3–Bi2Te3 thin film junctions, Appl. Phys. Lett. 124, 000000 (2024); doi: 10.1063/5.0187554.
    10. Ravinder Kumar, Prabesh Bajracharya, Paul Ashtiani, Ryan Paxton, Rajeswari Kolagani, and Ramesh C Budhani, Planar Hall effect and magnetoresistance of Sb2Te3 epitaxial films, PHYSICAL REVIEW B 00, 005400 (2024).
    11. Serene Kamal, Andrew Bennett-Jackson, Rohit Srivastava, Robert C Bruce, Ekin Gunes Ozaktas, Chris Khoury, Ramesh Budhani, David Shrekenhamer, Susanna M Thon, “Plasmonically enhancing 2D WSe2 light absorption for photodetection”, MRS Advances 9 (9), 628 (2024).
    12. Vinay Sharma, Rajeev Nepal and Ramesh C Budhani, Planar Hall effect and anisotropic magnetoresistance in thin films of the chiral antiferromagnet Mn3Sn, Phys. Rev. B 108, 144435 (2023).
    13. Vinay Sharma, Rajeev Nepal, Weipeng Wu, E. A. Pogue, Ravinder Kumar, Rajeswari Kologani, Lars Gundlach, M. B. Jungfleisch and Ramesh C Budhani, Comparing spin injection in Fe75Co25/Bi2Te3 at GHz and optical frequencies, Appl. Phys. Lett. 122, 072403 (2023).
    14. Vinay Sharma, Prabesh Bajracharya, Anthony Johnson and Ramesh C Budhani,Interface-driven spin pumping and inverse Rashba-Edelstein effect in FeGaB/Ag/BiSb Multilayers”, AIP Advances 12, 035028 (2022).

2D Quantum Materials Group

People
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Job Openings
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Facilities 
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Research
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Funding 
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Collaborations
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News

Job Openings

Post Doctoral Associates: We have several openings for accomplished, dynamic, forward looking and friendly fresh Ph.D's with experience in 2D materials growth, device fabrication, quantum transport and measurements.

Undergrad Research Assistants: Student of Morgan University pursing undergraduate degree in Physics, Chemistry and Electrical Engineering are encouraged to join the group as paid interns.

High School Juniors: As part of our outreach activities, we are encourage high school students of the city of Baltimore to gain hands-on research experince as paid summer and winters interns for their advancement as outstanding undergraduate students of stem.

Facilities

2D Materials Growth

UHV Sputter Deposition

APCVD

Pulsed Laser Ablation

Single Crystal Growth

Thermal Evaporation

Structure, Bonding & Imaging

Park Systems NX 10 AFM/MFM/PFM/C-AFM

School Facilities: Jeol Transmission Electron Miscope, Horiba Raman Spectrometer & Panalytical 4-circle diffractometer 

Magnectics, Optics and Transports (MOT) 

VSM - 9 tesla/ 2.0 K

Vector VSM - 2 tesla- high temperature ( 800k )

9 tesla cryogenic (1.3K)

FMR spectrometer 

1 tesla ambient FMR with rotor

Cryo-prob station for photo-galvantic 

measurements

Funding

                                                              

Research Collaborations

1.       Micheal Newburger & Team

AFRL- Wright Patterson AirForce Base ( Kerr & BLS microscopy of magnectic heterostructures)

2.      Durga Paudyal and Hari Paudyal ( Iowa State University)

Topology, Electronic structure and Berry Ohase ohtsics of 2D ferromagnets and ferroelectrics

3.      Jerzy Sadowski

Brookhaven National Laboratory - X-ray photoelectron microscopy and spectroscopy

4.       Benjamin Jungfleisch 

University of Delaware - Sprin pumping and terahertz emission in magnetic

5.     Peter Armitage 

John Hopkins University- Optical second harmonic generation & optical conductivity of correlated Electrons

6.       John Demaree

Army Research Laboratory- Rutherford Backscattering Spectrometry of thin film hetrostructures

7.     Liang Wu

Physics Department - U. Penn, Time resolve MOKE and terahertz spectroscopy magnectic hetrostructures

   

Training and Outreach

   High School Summer Interns Poster Session