Search Results - "Vaithyanathan, V."

Giant Piezoelectricity on Si for Hyperactive MEMS by Baek, S. H., Park, J., Kim, D. M., Aksyuk, V. A., Das, R. R., Bu, S. D., Felker, D. A., Lettieri, J., Vaithyanathan, V., Bharadwaja, S. S. N., Bassiri-Gharb, N., Chen, Y. B., Sun, H. P., Folkman, C. M., Jang, H. W., Kreft, D. J., Streiffer, S. K., Ramesh, R., Pan, X. Q., Trolier-McKinstry, S., Schlom, D. G., Rzchowski, M. S., Blick, R. H., Eom, C. B.

“…Microelectromechanical systems (MEMS) incorporating active piezoelectric layers offer integrated actuation, sensing, and transduction. The broad implementation…”
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Magnetoelectric Coupling by Piezoelectric Tensor Design by Irwin, J., Lindemann, S., Maeng, W., Wang, J. J., Vaithyanathan, V., Hu, J. M., Chen, L. Q., Schlom, D. G., Eom, C. B., Rzchowski, M. S.

“…Strain-coupled magnetoelectric (ME) phenomena in piezoelectric/ferromagnetic thin-film bilayers are a promising paradigm for sensors and information storage…”
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Microscopic piezoelectric behavior of clamped and membrane (001) PMN-30PT thin films by Brewer, A., Lindemann, S., Wang, B., Maeng, W., Frederick, J., Li, F., Choi, Y., Thompson, P. J., Kim, J. W., Mooney, T., Vaithyanathan, V., Schlom, D. G., Rzchowski, M. S., Chen, L. Q., Ryan, P. J., Eom, C. B.

“…Bulk single-crystal relaxor-ferroelectrics, like Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT), are widely known for their large piezoelectricity. This is attributed to…”
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Probing Nanoscale Ferroelectricity by Ultraviolet Raman Spectroscopy by Tenne, D.A, Bruchhausen, A, Lanzillotti-Kimura, N.D, Fainstein, A, Katiyar, R.S, Cantarero, A, Soukiassian, A, Vaithyanathan, V, Haeni, J.H, Tian, W, Schlom, D.G, Choi, K.J, Kim, D.M, Eom, C.B, Sun, H.P, Pan, X.Q, Li, Y.L, Chen, L.Q, Jia, Q.X, Nakhmanson, S.M, Rabe, K.M, Xi, X.X

“…We demonstrated that ultraviolet Raman spectroscopy is an effective technique to measure the transition temperature (Tc) in ferroelectric ultrathin films and…”
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Multiscale modeling of θ′ precipitation in Al–Cu binary alloys by Vaithyanathan, V., Wolverton, C., Chen, L.Q.

“…We present a multiscale model for studying the growth and coarsening of θ′ precipitates in Al–Cu alloys. Our approach utilizes a novel combination of the…”
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Epitaxial BiFeO3 multiferroic thin film heterostructures by WANG, J, NEATON, J. B, SPALDIN, N. A, RABE, K. M, WUTTIG, M, RAMESH, R, ZHENG, H, NAGARAJAN, V, OGATE, S. B, LIU, B, VIEHLAND, D, VAITHYANATHAN, V, SCHLOM, D. G, WAGHMARE, U. V

“…Enhancement of polarization and related properties in heteroepitaxially constrained thin films of the ferroelectromagnet, BiFeO3, is reported. Structure…”
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Mössbauer studies and enhanced electrical properties of R (R=Sm, Gd and Dy) doped Ni ferrite by Inbanathan, S.S.R., Vaithyanathan, V., Arout Chelvane, J., Markandeyulu, G., Kamala Bharathi, K.

“…Structural, Mössbauer studies and improved electrical characteristics of Sm, Gd and Dy doped Ni ferrite materials in comparison to that of pure NiFe2O4 are…”
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Structural and magnetic properties of Sn and Ti doped Co ferrite by Vaithyanathan, V., Ugendar, Kodam, Arout Chelvane, J., Kamala Bharathi, K., Inbanathan, S.S.R.

“…We submit the report on the structural and magnetic studies of Sn and Ti doped cobalt ferrite materials in comparison with the pure CoFe2O4. The XRD result…”
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Strain-induced polarization rotation in epitaxial (001) BiFeO3 thin films by Jang, H W, Baek, S H, Ortiz, D, Folkman, C M, Das, R R, Chu, Y H, Shafer, P, Zhang, J X, Choudhury, S, Vaithyanathan, V, Chen, Y B, Felker, D A, Biegalski, M D, Rzchowski, M S, Pan, X Q, Schlom, D G, Chen, L Q, Ramesh, R, Eom, C B

“…Direct measurement of the remanent polarization of high quality (001)-oriented epitaxial BiFeO3 thin films shows a strong strain dependence, even larger than…”
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Multiscale modeling of precipitate microstructure evolution by Vaithyanathan, V, Wolverton, C, Chen, L Q

“…We demonstrate how three "state-of-the-art" techniques may be combined to build a bridge between atomistics and microstructure: (1) first-principles…”
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Metalorganic chemical vapor deposition of lead-free ferroelectric BiFeO3 films for memory applications by Yang, S. Y., Zavaliche, F., Mohaddes-Ardabili, L., Vaithyanathan, V., Schlom, D. G., Lee, Y. J., Chu, Y. H., Cruz, M. P., Zhan, Q., Zhao, T., Ramesh, R.

“…We have grown BiFeO3 thin films on SrRuO3∕SrTiO3 and SrRuO3∕SrTiO3∕Si using liquid delivery metalorganic chemical vapor deposition. Epitaxial BiFeO3 films were…”
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Coarsening of ordered intermetallic precipitates with coherency stress by Vaithyanathan, V., Chen, L.Q.

“…The morphological evolution and coarsening kinetics of ordered intermetallic precipitates with coherency stress were studied using a diffuse-interface…”
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Visualization of dielectric constant-electric field-temperature phase maps for imprinted relaxor ferroelectric thin films by Frederick, J. C., Kim, T. H., Maeng, W., Brewer, A. A., Podkaminer, J. P., Saenrang, W., Vaithyanathan, V., Li, F., Chen, L.-Q., Schlom, D. G., Trolier-McKinstry, S., Rzchowski, M. S., Eom, C. B.

“…The dielectric phase transition behavior of imprinted lead magnesium niobate–lead titanate relaxor ferroelectric thin films was mapped as a function of…”
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Growth of nanoscale BaTiO3/SrTiO3 superlattices by molecular-beam epitaxy by Soukiassian, A., Tian, W., Vaithyanathan, V., Haeni, J.H., Chen, L.Q., Xi, X.X., Schlom, D.G., Tenne, D.A., Sun, H.P., Pan, X.Q., Choi, K.J., Eom, C.B., Li, Y.L., Jia, Q.X., Constantin, C., Feenstra, R.M., Bernhagen, M., Reiche, P., Uecker, R.

“…Commensurate BaTiO3/SrTiO3 superlattices were grown by reactive molecular-beam epitaxy on four different substrates: TiO2-terminated (001) SrTiO3, (101)…”
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Enhancement of the superconducting transition temperature of MgB2 by a strain-induced bond-stretching mode softening by POGREBNYAKOV, A. V, REDWING, J. M, JOHANNES, M. D, KASINATHAN, D, PICKETT, W. E, WU, J. S, SPENCE, J. C. H, RAGHAVAN, S, VAITHYANATHAN, V, SCHLOM, D. G, XU, S. Y, LI, Qi, TENNE, D. A, SOUKIASSIAN, A, XI, X. X

“…We report a systematic increase of the superconducting transition temperature T(c) with a biaxial tensile strain in MgB2 films to well beyond the bulk value…”
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Magnetic and charge ordering properties of Bi0.2Ca0.8Mn0.9X0.1O3 (where X=Ti, Cr, Fe, Co, Ni, Cu) by Yadav, Kamlesh, Vaithyanathan, V., Inbanathan, S.S.R., Varma, G.D.

“…► Structural, magnetic and transport properties of Bi0.2Ca0.8Mn0.9X0.1O3 (where X=Ti, Cr, Fe, Co, Ni, Cu) have been studied. ► TCO decreases by ∼10K and ∼33K,…”
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Thickness dependence of the properties of epitaxial MgB2 thin films grown by hybrid physical-chemical vapor deposition by Pogrebnyakov, A. V., Redwing, J. M., Jones, J. E., Xi, X. X., Xu, S. Y., Li, Qi, Vaithyanathan, V., Schlom, D. G.

“…We have studied the effect of deposition rate and layer thickness on the properties of epitaxial MgB2 thin films grown by hybrid physical-chemical vapor…”
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Superconducting MgB2 thin films on silicon carbide substrates by hybrid physical–chemical vapor deposition by Zeng, X. H., Pogrebnyakov, A. V., Zhu, M. H., Jones, J. E., Xi, X. X., Xu, S. Y., Wertz, E., Li, Qi, Redwing, J. M., Lettieri, J., Vaithyanathan, V., Schlom, D. G., Liu, Zi-Kui, Trithaveesak, O., Schubert, J.

“…We have used two polytypes of silicon carbide single crystals, 4H-SiC and 6H-SiC, as the substrates for MgB2 thin films grown by hybrid physical-chemical vapor…”
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Linking phase-field model to CALPHAD: application to precipitate shape evolution in Ni-base alloys by Zhu, J.Z, Liu, Z.K, Vaithyanathan, V, Chen, L.Q

“…A three-dimensional phase-field model is proposed with the thermodynamic and kinetic parameters directly extracted from existing databases using the CALPHAD…”
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Imaging the phase separation in atomically thin buried SrTiO(3) layers by electron channeling by Kourkoutis, L Fitting, Hellberg, C Stephen, Vaithyanathan, V, Li, Hao, Parker, M K, Andersen, K E, Schlom, D G, Muller, D A

“…A phase-separation instability, resulting in the dewetting of thin SrTiO(3) films grown on Si(100) is shown by scanning transmission electron microscopy…”
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