• 1213 Citations
  • 18 h-Index
20042020
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Research Output 2004 2018

2018

Effect of plastic anisotropy on the deformation behavior of bicrystalline aluminum films – Experiments and modeling

Izadi, E., Opie, S., Lim, H., Peralta, P. & Rajagopalan, J., Jan 1 2018, In : Acta Materialia. 142, p. 58-70 13 p.

Research output: Contribution to journalArticle

Aluminum
Anisotropy
Plastics
Experiments
Textures

Synthesis of thin films with highly tailored microstructures

Sarkar, R. & Rajagopalan, J., Jul 3 2018, In : Materials Research Letters. 6, 7, p. 398-405 8 p.

Research output: Contribution to journalArticle

Thin films
Microstructure
Nanocrystals
Annealing
Amorphous films
2017
6 Citations

Grain rotations in ultrafine-grained aluminum films studied using in situ TEM straining with automated crystal orientation mapping

Izadi, E., Darbal, A., Sarkar, R. & Rajagopalan, J., Jan 5 2017, In : Materials and Design. 113, p. 186-194 9 p.

Research output: Contribution to journalArticle

Aluminum
Crystal orientation
Transmission electron microscopy
Unloading
Film thickness
1 Citations

In situ tensile testing of tin (Sn) whiskers in a focused ion beam (FIB)/scanning electron microscope (SEM)

Vallabhaneni, R., Izadi, E., Mayer, C. R., Kaira, C. S., Singh, S. S., Rajagopalan, J. & Chawla, N., 2017, (Accepted/In press) In : Microelectronics Reliability.

Research output: Contribution to journalArticle

Tin
Focused ion beams
Tensile testing
tin
Electron microscopes
2016
5 Citations

Capillary driven flow of polydimethylsiloxane in open rectangular microchannels

Sowers, T. W., Sarkar, R., Eswarappa Prameela, S., Izadi, E. & Rajagopalan, J., 2016, In : Soft Matter. 12, 26, p. 5818-5823 6 p.

Research output: Contribution to journalArticle

Capillary flow
microchannels
Microchannels
flow velocity
Flow rate
3 Citations

Local, atomic-level elastic strain measurements of metallic glass thin films by electron diffraction

Ebner, C., Sarkar, R., Rajagopalan, J. & Rentenberger, C., Jun 1 2016, In : Ultramicroscopy. 165, p. 51-58 8 p.

Research output: Contribution to journalArticle

strain measurement
Strain measurement
Metallic glass
metallic glasses
Electron diffraction
2 Citations

Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction

Sarkar, R., Ebner, C., Izadi, E., Rentenberger, C. & Rajagopalan, J., Sep 22 2016, (Accepted/In press) In : Materials Research Letters. p. 1-9 9 p.

Research output: Contribution to journalArticle

Metallic glass
Diffraction
Transmission electron microscopy
Strain measurement
Amorphous films
8 Citations

Texture dependent strain rate sensitivity of ultrafine-grained aluminum films

Izadi, E. & Rajagopalan, J., Mar 15 2016, In : Scripta Materialia. 114, p. 65-69 5 p.

Research output: Contribution to journalArticle

Aluminum
strain rate
Strain rate
textures
Textures
2015
12 Citations

Electron beam induced artifacts during in situ TEM deformation of nanostructured metals

Sarkar, R., Rentenberger, C. & Rajagopalan, J., Nov 10 2015, In : Scientific Reports. 5, 16345

Research output: Contribution to journalArticle

artifacts
electron beams
stress relaxation
transmission electron microscopy
metals
2014
2 Citations

A microfabricated, biohybrid, soft robotics flagellum

Williams, B. J., Anand, S. V., Rajagopalan, J. & Saif, M. T. A., 2014, Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). Institute of Electrical and Electronics Engineers Inc., p. 192-195 4 p. 6765607

Research output: Chapter in Book/Report/Conference proceedingConference contribution

propulsion
robotics
Propulsion
filaments
Robotics
107 Citations

A self-propelled biohybrid swimmer at low Reynolds number

Williams, B. J., Anand, S. A., Rajagopalan, J. & Saif, M. T. A., 2014, In : Nature Communications. 5, p. 3081

Research output: Contribution to journalArticle

107 Citations

A self-propelled biohybrid swimmer at low Reynolds number

Williams, B. J., Anand, S. V., Rajagopalan, J. & Saif, M. T. A., Jan 17 2014, In : Nature Communications. 5, 3081

Research output: Contribution to journalArticle

Flagella
low Reynolds number
Cardiac Myocytes
filaments
Reynolds number
nucleation
engineering
microstructure
electrodeposition
grain boundaries
2 Citations

Tensile behavior of single crystal tin whiskers

Singh, S., Sarkar, R., Xie, H. X., Mayer, C., Rajagopalan, J. & Chawla, N., 2014, In : Journal of Electronic Materials.

Research output: Contribution to journalArticle

2 Citations

Tensile behavior of single-crystal tin whiskers

Singh, S. S., Sarkar, R., Xie, H. X., Mayer, C., Rajagopalan, J. & Chawla, N., 2014, In : Journal of Electronic Materials. 43, 4, p. 978-982 5 p.

Research output: Contribution to journalArticle

Crystal whiskers
Tin
Focused ion beams
tin
Electron microscopes
2013

Artificial swimmer powered by cardiomyocytes

Williams, B., Anand, S., Rajagopalan, J. & Saif, T., 2013, ASME 2013 Summer Bioengineering Conference, SBC 2013. Vol. 1 A

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cardiac Myocytes
12 Citations

Fabrication of freestanding 1-D PDMS microstructures using capillary micromolding

Rajagopalan, J. & Saif, M. T. A., 2013, In : Journal of Microelectromechanical Systems. 22, p. 992-994

Research output: Contribution to journalArticle

12 Citations

Fabrication of freestanding 1-D PDMS microstructures using capillary micromolding

Rajagopalan, J. & Saif, M. T. A., 2013, In : Journal of Microelectromechanical Systems. 22, 5, p. 992-994 3 p., 6541951

Research output: Contribution to journalArticle

Polydimethylsiloxane
Fabrication
Microstructure
Cytology
Capillary flow

In vivo mechanical behavior of Drosophila Neurons

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2013

Research output: Contribution to conferencePaper

Neuromechanics: The role of tension in neuronal growth and memory

Ahmed, W. W., Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2013, Nano and Cell Mechanics. Espinosa, H. & Bao, G. (eds.). John Wiley and Sons

Research output: Chapter in Book/Report/Conference proceedingChapter

2012
5 Citations

Neuromechanics: The Role of Tension in Neuronal Growth and Memory

Ahmed, W. W., Rajagopalan, J., Tofangchi, A. & Saif, T. A., Dec 11 2012, Nano and Cell Mechanics: Fundamentals and Frontiers. John Wiley and Sons, p. 35-61 27 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Neurons
Data storage equipment
Mechanics
2011
12 Citations

Eect of microstructural heterogeneity on the mechanical behavior of nanocrystalline metal lms

Rajagopalan, J. & Saif, M. T. A., 2011, In : Journal of Materials Research. 26, p. 2826-2832

Research output: Contribution to journalArticle

12 Citations

Effect of microstructural heterogeneity on the mechanical behavior of nanocrystalline metal films

Rajagopalan, J. & Saif, M. T. A., Nov 28 2011, In : Journal of Materials Research. 26, 22, p. 2826-2832 7 p.

Research output: Contribution to journalArticle

metal films
Metals
Bauschinger effect
microstructure
Aluminum

In-situ and post mortem TEM studies of nanostructured materials

Rentenberger, C., Gammer, C., Geist, D., Rajagopalan, J., Karnthaler, H. P., Dehm, G. & Saif, T. A., 2011

Research output: Contribution to conferencePaper

36 Citations

MEMS sensors and microsystems for cell mechanobiology

Rajagopalan, J. & Saif, M. T. A., May 2011, In : Journal of Micromechanics and Microengineering. 21, 5, 054002

Research output: Contribution to journalArticle

Microsystems
MEMS
Mechanics
Sensors
Cell death

MEMS sensors and microsystems for cell mechano- biology

Rajagopalan, J. & Saif, M. T. A., 2011, In : Journal of Micromechanics and Microengineering. 21

Research output: Contribution to journalArticle

2010

Coupled effect of size and heterogeneity on metal plasticity

Rajagopalan, J. & Saif, M. T. A., 2010

Research output: Contribution to conferencePaper

40 Citations

Drosophila neurons actively regulate axonal tension in vivo

Jagannathan Rajagopalan, R., Alireza Tofangchi, T. & Saif, M. T. A., Nov 17 2010, In : Biophysical Journal. 99, 10, p. 3208-3215 8 p.

Research output: Contribution to journalArticle

Drosophila
Neurons
Neuromuscular Junction
Motor Neurons
Neurites
40 Citations

Drosophila neurons actively regulate axonal tension in vivo

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2010, In : Biophysical Journal. 99, p. 3208-3215

Research output: Contribution to journalArticle

3 Citations

Highly linear, ultra sensitive bio-mems force sensors with large force measurement range

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2010, Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). p. 88-91 4 p. 5442558

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Force measurement
rangefinding
sensors
Sensors
Drosophila
3 Citations

Highly linear, ultra sensitive bio-MEMS force sensors with large force measurement range

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2010, Highly linear, ultra sensitive bio-MEMS force sensors with large force measurement range.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

54 Citations

In situ TEM study of microplasticity and Bauschinger eect in nanocrystalline metals

Rajagopalan, J., Rentenberger, C., Karnthaler, P. H., Dehm, G. & Saif, M. T. A., 2010, In : Acta Materialia. 58, p. 4772-4782

Research output: Contribution to journalArticle

54 Citations

In situ TEM study of microplasticity and Bauschinger effect in nanocrystalline metals

Rajagopalan, J., Rentenberger, C., Peter Karnthaler, H., Dehm, G. & Saif, M. T. A., Aug 2010, In : Acta Materialia. 58, 14, p. 4772-4782 11 p.

Research output: Contribution to journalArticle

Metals
Transmission electron microscopy
Aluminum
Strain measurement
Stress measurement
10 Citations

In situ uniaxial mechanical testing of small scale materials - a review

Kang, W., Rajagopalan, J. & Saif, M. T. A., 2010, In : Nanoscience and Nanotechnology Letters. 2, p. 282-287

Research output: Contribution to journalArticle

10 Citations

In situ uniaxial mechanical testing of small scale materials - A review

Kang, W., Rajagopalan, J. & Saif, M. T. A., Dec 2010, In : Nanoscience and Nanotechnology Letters. 2, 4, p. 282-287 6 p.

Research output: Contribution to journalArticle

Mechanical testing
Mechanical properties
Testing
22 Citations

Linear, high-resolution bioMEMS force sensors with large measurement range

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2010, In : Journal of Microelectromechanical Systems. 19, p. 1380-1389

Research output: Contribution to journalArticle

22 Citations

Linear high-resolution BioMEMS force sensors with large measurement range

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., Dec 2010, In : Journal of Microelectromechanical Systems. 19, 6, p. 1380-1389 10 p., 5599273

Research output: Contribution to journalArticle

BioMEMS
Sensors
Force measurement
Fruits
Masks

Mechanical behavior of neurons in live Drosophila embryos

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2010

Research output: Contribution to conferencePaper

2 Citations

The role of mechanical tension in neurons

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2010, The role of mechanical tension in neurons.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations

The role of mechanical tension in neurons

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2010, Materials Research Society Symposium Proceedings. Vol. 1274, p. 3-7 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

neurons
Neurons
axons
Drosophila
Plasticity
3 Citations

Ultra sensitive Bio-MEMS force sensors with large force measurement range

Rajagopalan, J., Tofangchi, A. & Saif, M. T. A., 2010

Research output: Contribution to conferencePaper

2009

Effffect of size and heterogeneity of microstructure on nanocrystalline plasticity

Rajagopalan, J. & Saif, M. T. A., 2009

Research output: Contribution to conferencePaper

Extended microplasticity and Bauschinger effect of nanocrystalline Au and Al studied by in-situ TEM

Rentenberger, C., Rajagopalan, J., Dehm, G., Karnthaler, H. P. & Saif, T. A., 2009

Research output: Contribution to conferencePaper

In situ TEM study of Bauschinger effect in unpassivated freestanding metal films

Rajagopalan, J., Rentenberger, C., Dehm, G., Karnthaler, H. P. & Saif, M. T. A., 2009

Research output: Contribution to conferencePaper

Microstructural heterogeneity and the mechanical behav- ior of nanoscale aluminum films

Rajagopalan, J. & Saif, M. T. A., 2009

Research output: Contribution to conferencePaper

Nanostruc- tures in metals and intermetallics studied by TEM

Rentenberger, C., Mangler, C., Gammer, C., Rajagopalan, J. & Karnthaler, H. P., 2009

Research output: Contribution to conferencePaper

Quantitative in situ TEM study of deformation and fracture of nanoscale Aluminum Films

Rajagopalan, J., Rentenberger, C., Dehm, G., Karnthaler, H. P. & Saif, T. A., 2009

Research output: Contribution to conferencePaper

2008
29 Citations

Bauschinger eect in unpassivated freestanding nanoscale metal lms

Rajagopalan, J., Han, J. H. & Saif, M. T. A., 2008, In : Scipta Materialia. 59, p. 734-737

Research output: Contribution to journalArticle

Bauschinger effect in unpassivated freestanding metal fifilms

Rajagopalan, J., Han, J. H. & Saif, M. T. A., 2008

Research output: Contribution to conferencePaper

Bauschinger effect in unpassivated freestanding metal thin fifilms

Rajagopalan, J., Han, J. H. & Saif, M. T. A., 2008

Research output: Contribution to conferencePaper