M. Bilici, J. Toth, R. M. Sankaran, and D. J. Lacks, “Integrating electrostatic separation with fluidization to study particle-particle interactions in granular systems,” Rev. Sci. Inst. 85, 103903 (2014).
M. Schaefer, A. Kumar, R. M. Sankaran, and R. Schlaf, “Synthesis and in vacuo deposition of iron oxide nanoparticles by microplasma-assisted decomposition of ferrocene,” J. Appl. Phys. 116, 133703 (2014).
A. Kumar, S. Kang, C. Larriba-Andaluz, H. Ouyang, C. J. Hogan, and R. M. Sankaran, “Gas-phase synthesis of isolated, ligand-free Ni nanoclusters at atmospheric pressure,” Nanotechnology 25, 385601 (2014).
D. Dutta, R. M. Sankaran, and V. Bhethanabotla, “Predicting the chiral enrichment of metallic SWCNTs on Ni-Cu bimetallic surfaces,” Chemistry of Materials 26, 4943 (2014).
P. Rumbach, N. Griggs, R. M. Sankaran, and D. B. Go, “Visualization of electrolytic reactions at a plasma-liquid interface,” IEEE Trans. Plasma Science, Special Issue on Images in Plasma Science 42, 2610 (2014).
S. Ghosh, R. Yang, M. Kaumeyer, C. A. Zorman, S. J. Rowan, P. X.-L. Feng, and R. M. Sankaran, “Fabrication of electrically-conductive metal patterns at the surface of polymer films by microplasma-based direct writing,” ACS Appl. Mater. Interfaces 6, 3099-3104 (2014).
P. Rumbach, M. Witzke, R. M. Sankaran, and D. B. Go, “Decoupling interfacial reactions between plasmas and liquids: Charge transfer vs. plasma neutral reactions,” J. Am. Chem. Soc. 135, 16264-16267 (2013).
A. Kumar, P. A. Lin, A. Xue, B. Hao, Y. K. Yap, and R. M. Sankaran, “Formation of nanodiamonds at near ambient conditions via microplasma dissociation of ethanol vapor,” Nat. Comm. 4, 2618 (2013) [Highlighted in The Columbus Dispatch, Laser Focus World, ScienceDaily, Nanowerk, Eurekalert!, R&D Magazine].
R. Akolkar and R. M. Sankaran, “Charge transfer processes at the interface between plasmas and liquids,” J. Vac. Sci. Technol. A 31, 050811 (2013).
S. W. Lee, M. Janyasupab, C. C. Liu, and R. M. Sankaran, “Fabrication of Ir nanoparticle-based biosensors by plasma electrochemical reduction for enzyme-free detection of hydrogen peroxide,” Catalysis Today 211, 137-142 (2013).
M. Sow, D. J. Lacks, and R. M. Sankaran, “Effects of material strain on triboelectric charging: Influence of material properties, J. Electrostat. 71, 396-399 (2013).
S. W. Lee and R. M. Sankaran, “Direct writing via electron-driven reactions,” Materials Today 16, 117-122 (2013).
M. Sow, R. Widenor, A. R. Akande, K. S. Robinson, R. M. Sankaran, and D. J. Lacks, “Role of humidity on the lift-off of particles in electric fields,” J. Brazilian Chem. Soc. 24, 273-279 (2013).
C. H. Lee, R. He, Z. H. Wang, R. L. J. Qiu, A. Kumar, C. Delaney, B. Beck, T. E. Kidd, C. C. Chancey, R. M. Sankaran, and X. P. A. Gao, “Metal-insulator transition in variably doped (Bi1-xSbx)2Se3 nanosheets,” Nanoscale 5, 4337-4343 (2013).
P. A. Lin, A. Kumar, and R. M. Sankaran, “New insights into plasma-assisted dissociation of organometallic vapors for gas-phase synthesis of metal nanoparticles,” Invited to Special Issue, Plasma Process. Polym. 9, 1184-1193 (2012).
M. Witzke, P. Rumbach, D. B. Go, and R. M. Sankaran, “Evidence for the electrolysis of water by atmospheric-pressure plasmas formed at the surface of aqueous solutions,” J. Phys. D 45, 442001 (2012) [Highlighted in ScienceDaily, Europhysics News].
S. W. Lee, J. Kumpfer, P. A. Lin, G. Li, X. P. A. Gao, S. Rowan, and R. M. Sankaran, “In situ formation of metal nanoparticle composites via “soft” plasma electrochemical reduction of metallosupramolecular polymer films,” Macromolecules 45, 8201-8210 (2012).
M. Sow, D. J. Lacks, and R. M. Sankaran, “Dependence of contact electrification on the magnitude of strain in polymeric materials,” J. Appl. Phys 112, 084909 (2012).
D. Dutta, W-H. Chiang, R. M. Sankaran, and V. Bhethanabotla, “Epitaxial nucleation model for chiral-selective growth of SWCNTs on bimetallic catalyst surfaces,” Carbon 50, 3766-3773 (2012).
H. Zamani, S. W. Lee, A. Avishai, C. A. Zorman, R. M. Sankaran, and P. X.-L. Feng, “Focused ion beam (FIB) nanomachining of silicon carbide (SiC) stencil masks for nanoscale patterning,” Mater. Sci. Forum 717, 889-892 (2012).
T. Tyler, P. A. Lin, Y. Tian, H.-J. Gao, X. P. A. Gao, R. M. Sankaran, and M. C. Hersam, “Centrifugal shape sorting of multifaceted gold nanoparticles using an atomic plane-selective surfactant,” J. Phys. Chem. Lett. 3, 1484-1487 (2012).
D. J. Lacks, R. M. Sankaran, and C. Ketlogetswe, “Experiential learning and global perspective in an engineering core course,” Chem. Eng. Ed. 46, 110-117 (2012).
S. W. Lee, C. Mattevi, M. Chhowalla, and R. M. Sankaran, “Plasma-assisted reduction of graphene oxide films at low temperature and atmospheric pressure for flexible conductor applications,” J. Phys. Chem. Lett. 3, 772-777 (2012).
M. Sow, R. Widenor, A. Kumar, S. W. Lee, D. J. Lacks, and R. M. Sankaran, “Strain-induced charge transfer in contact electrification,” Angew. Chem. Int. Ed. 51, 2695-2697 (2012).
P. A. Lin, D. Liang, S. Reeves, X. P. A. Gao, and R. M. Sankaran, “Shape-controlled Au particles for InAs nanowire growth,” Nano Lett. 12, 315-320 (2012) [Highlighted in R&D Magazine, Physorg].
S. W. Lee, H. Zamani, P. X.-L. Feng, and R. M. Sankaran, “Extraction of a low-current discharge from a microplasma for nanoscale patterning applications at atmospheric pressure,” J. Vac. Sci. Technol. B 30, 00603 (2012) [Highlighted in AVS Newsletter].
W-H. Chiang and R. M. Sankaran, “The influence of bimetallic catalyst composition on single-walled carbon nanotube yield,” Carbon 50, 1044-1050 (2012).
P. A. Lin and R. M. Sankaran, “Plasma-assisted dissociation of organometallic precursors for continuous, gas-phase preparation of multimetallic nanoparticles,” Angew. Chem. Int. Ed. 50, 10953-10956 (2011).
D. J. Lacks and R. M. Sankaran, “Contact electrification of insulating materials,” Invited topical review, J. Phys. D. 44, 453001 (2011).
C. Richmonds, M. Witzke, B. Bartling, S. W. Lee, J. Wainright, C. C. Liu, and R. M. Sankaran, “Electron transfer reactions at the plasma-liquid interface,” J. Am. Chem. Soc. 133, 17582-17585 (2011) [Highlighted ScienceDaily, Physorg].
M. Sow, E. Crase, J-L. Rajot, R. M. Sankaran, and D. J. Lacks, “Electrification of particles in dust storms: field measurements during the monsoon erosion period in Niger,” Atmos. Res. 102, 343 (2011).
R. Pham, R. C. Virnelson, R. M. Sankaran, and D. J. Lacks, “Contact charging between surfaces of identical insulating materials in asymmetric geometries,” J. Electrostat. 69, 456 (2011).
S. W. Lee, D. Liang, X. P. A Gao, and R. M. Sankaran, “Direct writing of metal nanoparticles by localized plasma electrochemical reduction of metal salts in polymer films,” Adv. Func. Mater. 21, 2155-2161 (2011).
D. Mariotti and R. M. Sankaran, “Perspectives in atmospheric-pressure plasma nanofabrication,” Invited perspective article, J. Phys. D 44, 174203 (2011).
R. M. Sankaran, “Towards chirality-controlled SWCNTs: can a plasma help?” Invited perspective article, J. Phys. D 44, 174005 (2011).
D. Mariotti and R. M. Sankaran, “Microplasmas for nanomaterials synthesis,” Invited topical review, J. Phys. D 43, 323001 (2010) [Cover article].
F-C. Chang, C. Richmonds, and R. M. Sankaran, “Microplasma-assisted growth of Ag nanoparticles for point-of-use SERS applications,” Vac. Sci. Technol. A 28, L5 (2010).
W-H. Chiang, C. Richmonds, and R. M. Sankaran, “Continuous-flow, atmospheric-pressure microplasmas: a versatile source for nanoparticle synthesis in the gas or liquid phase,” Plasma Sources Sci. Technol. 19, 034001 (2010).
W-H. Chiang, M. Sakr, X. P. A. Gao, and R. M. Sankaran, “Nanoengineering NixFe1-x nanocatalysts for gas-phase, selective synthesis of semiconducting single-walled carbon nanotubes,” ACS Nano 3, 4023 (2009).
K. M. Forward, D. J. Lacks, and R. M. Sankaran, “Triboelectric charging of lunar regolith simulant,” J. Geophys. Res. 114, A10109 (2009).
W-H. Chiang and R. M. Sankaran, “Linking catalyst composition to chirality distributions of as-grown single-walled carbon nanotubes by tuning NixFe1-x nanoparticles,” Nat. Mater. 8, 882-886 (2009) [Highlighted in Forbes.com, ScienceDaily, Physorg, Redorbit, Softpedia, Eureka! Science News, Chemie.DE].
K. M. Forward, D. J. Lacks, and R. M. Sankaran, “Particle-size dependent bipolar charging of Martian regolith simulant,” Geophys. Res. Lett. 36, L13201 (2009) [Highlighted in New Scientist].
W-H. Chiang and R. M. Sankaran, “Relating carbon nanotube growth parameters to the size and composition of nanocatalysts,” Rel. Mater. 18, 946 (2009).
K. M. Forward, D. J. Lacks, and R. M. Sankaran, “Methodology for studying particle-particle triboelectrification in granular materials,” J. Electrostat. 67, 178 (2009).
K. M. Forward, D. J. Lacks, and R. M. Sankaran, “Triboelectric charging of granular mixtures due solely to particle-particle interactions,” Ind. Chem. Eng. Res. 48, 2309 (2009).
K. M. Forward, D. J. Lacks, and R. M. Sankaran, “Charge segregation depends on particle size in triboelectrically charged granular materials,” Phys. Rev. Lett. 102, 028001 (2009).
S. Chogle, A. Mickel, S. Qutubuddin, S. Shaikh, and R. M. Sankaran, “Improving endodontic outcomes with nanotechnology,” The Value of Research 24 (2008-09).
P. Pietrasz, R. M. Sankaran, and T. A. Zawodzinski, “Pulse voltammetry [of alloy metal catalysts] at fuel cell electrodes,” ECS Trans. 16, 1583-1589 (2008).
W-H. Chiang and R. M. Sankaran, “Synergistic effects in bimetallic nanoparticles for low temperature carbon nanotube growth,” Adv. Mater. 20, 4857 (2008).
W-H. Chiang and R. M. Sankaran, “In-flight dimensional tuning of metal nanoparticles by microplasma synthesis for selective production of diameter-controlled carbon nanotubes,” J. Phys. Chem. C 112, 17920 (2008).
C. Richmonds and R. M. Sankaran, “Plasma-liquid electrochemistry: Rapid synthesis of colloidal metal nanoparticles by microplasma reduction of aqueous cations,” Appl. Phys. Lett. 93, 131501 (2008) [Highlighted in Virtual Journal of Nanoscience and Technology].
W-H. Chiang and R. M. Sankaran, “Microplasma synthesis of metal nanoparticles for gas-phase studies of catalyzed carbon nanotube growth,” Appl. Phys. Lett. 91, 121503 (2007) [Highlighted in Virtual Journal of Nanoscience and Technology and AZO Nanotechnology].
W-H. Chiang, M. Cochey, C. Virnelson, R. M. Sankaran, “Nonlithographic fabrication of surface-enhanced Raman substrates (SERS) using a rastered atmospheric-pressure microplasma source,” Appl. Phys. Lett. 91, 021501 (2007).
R. M. Sankaran, D. Holunga, R. C. Flagan, and K. P. Giapis, “Synthesis of blue luminescent Si nanoparticles using atmospheric-pressure microdischarges,” Nano Lett. 5, 537 (2005).
B. P. Weiss, S. S. Kim, J. L. Kirschvink, R. E. Kopp, R. M. Sankaran, A. Kobayashi, and A. Komeili, “Magnetic tests for magnetosome chains in martian meteorite ALH84001,” Proc. Nat. Acad. Sci. 101, 8281 (2004).
B. P. Weiss, S. S. Kim, J. L. Kirschvink, R. E. Kopp, R. M. Sankaran, A. Kobayashi, and A. Komeili, “Ferromagnetic resonance and low temperature magnetic tests for biogenic magnetite,” Earth Planet. Sci. Lett. 224, 73 (2004).
R. M. Sankaran, K. P. Giapis, M. Moselhy, and K. H. Schoenbach, “Argon excimer emission from high-pressure microdischarges in metal capillaries,” Appl. Phys. Lett. 83, 4728 (2003).
R. M. Sankaran and K. P. Giapis, “High-pressure microdischarges in etching and deposition applications,” J. Phys. D 36, 2914 (2003).
R. M. Sankaran and K. P. Giapis, “Hollow cathode sustained plasma microjets: Characterization and application to diamond deposition,” J. Appl. Phys. 92, 2406 (2002).
R. M. Sankaran and K. P. Giapis, “Maskless etching of silicon using patterned microdischarges,” Appl. Phys. Lett. 79, 593 (2001) [Highlighted in Inside R&D, published by Technical Insights].