• 1237 Citations
  • 18 h-Index
20042020
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Research Output 2004 2018

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Article
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
7 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
6 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
4 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
112 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

112 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
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
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
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
39 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
43 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

43 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
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
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

29 Citations

Bauschinger effect in unpassivated freestanding nanoscale metal films

Rajagopalan, J., Han, J. H. & Saif, M. T. A., Oct 2008, In : Scripta Materialia. 59, 7, p. 734-737 4 p.

Research output: Contribution to journalArticle

Bauschinger effect
Unloading
metal films
Metals
unloading
18 Citations

On plastic strain recovery in freestanding nanocrystalline metal thin films

Rajagopalan, J., Han, J. H. & Saif, M. T. A., Nov 2008, In : Scripta Materialia. 59, 9, p. 921-926 6 p.

Research output: Contribution to journalArticle

Plastic deformation
plastics
Metals
recovery
Recovery
18 Citations

On plastic strain recovery in freestanding nanocrystalline metal thin lms

Rajagopalan, J., Han, J. H. & Saif, M. T. A., 2008, In : Scipta Materialia. 59, p. 921-926

Research output: Contribution to journalArticle

2007
122 Citations

Plastic deformation recovery in freestanding nanocrystalline aluminum and gold thin films

Rajagopalan, J., Han, J. H. & Saif, M. T. A., Mar 30 2007, In : Science. 315, 5820, p. 1831-1834 4 p.

Research output: Contribution to journalArticle

Aluminum
Gold
Plastics
Metals
Temperature
122 Citations

Plastic deformation recovery in freestanding nanocrystalline aluminum and gold thin lms

Rajagopalan, J. & Han, J. H., 2007, In : Science. 315, p. 1831-1834

Research output: Contribution to journalArticle

8 Citations

Single degree of freedom model for thermoelastic damping

Rajagopalan, J. & Saif, M. T. A., May 2007, In : Journal of Applied Mechanics, Transactions ASME. 74, 3, p. 461-468 8 p.

Research output: Contribution to journalArticle

Degrees of freedom (mechanics)
degrees of freedom
Damping
damping
cantilever beams
8 Citations

Single degree of freedom model for thermoelastic damp- ing

Rajagopalan, J. & Saif, M. T. A., 2007, In : Journal of Applied Mechanics. 74, p. 461-468

Research output: Contribution to journalArticle

2006
58 Citations

A phase reconstruction algorithm for Lamb wave based structural health monitoring of anisotropic multilayered composite plates

Rajagopalan, J., Balasubramaniam, K. & Krishnamurthy, C. V., Feb 2006, In : Journal of the Acoustical Society of America. 119, 2, p. 872-878 7 p.

Research output: Contribution to journalArticle

Lamb waves
structural health monitoring
composite materials
aircraft
defects
58 Citations
55 Citations

A single transmitter multi-receiver (STMR) PZT array for guided ultrasonic wave based structural health monitoring of large isotropic plate structures

Rajagopalan, J., Balasubramaniam, K. & Krishnamurthy, C. V., Oct 1 2006, In : Smart Materials and Structures. 15, 5, p. 1190-1196 7 p., 005.

Research output: Contribution to journalArticle

Guided electromagnetic wave propagation
structural health monitoring
Structural health monitoring
Ultrasonic waves
ultrasonic radiation
55 Citations