By Professor Nagarajan Valanoor

Journal articles

Sando D; Xu B; Bellaiche L; Nagarajan V, 2016, 'A multiferroic on the brink: Uncovering the nuances of strain-induced transitions in BiFeO3', Applied Physics Reviews, 3, http://dx.doi.org/10.1063/1.4944558

Walker J; Simons H; Alikin DO; Turygin AP; Shur VY; Kholkin AL; Ursic H; Bencan A; Malic B; Nagarajan V; Rojac T, 2016, 'Dual strain mechanisms in a lead-free morphotropic phase boundary ferroelectric', Scientific Reports, 6, http://dx.doi.org/10.1038/srep19630

Seidel J; Valanoor N, 2016, 'A glimpse at topological structures in multiferroic materials', Advanced Electronic Materials, 2, http://dx.doi.org/10.1002/aelm.201500447

Zhang Q; Sando D; Nagarajan V, 2016, 'Chemical route derived bismuth ferrite thin films and nanomaterials', Journal of Materials Chemistry C, 4, pp. 4092 - 4124, http://dx.doi.org/10.1039/c6tc00243a

Liu G; Chen J; Lichtensteiger C; Triscone JM; Aguado-Puente P; Junquera J; Valanoor N, 2016, 'Positive Effect of an Internal Depolarization Field in Ultrathin Epitaxial Ferroelectric Films', Advanced Electronic Materials, 2, http://dx.doi.org/10.1002/aelm.201500288

Walker J; Ursic H; Bencan A; Malic B; Simons H; Reaney I; Viola G; Nagarajan V; Rojac T, 2016, 'Temperature dependent piezoelectric response and strain-electric-field hysteresis of rare-earth modified bismuth ferrite ceramics', Journal of Materials Chemistry C, 4, pp. 7859 - 7868, http://dx.doi.org/10.1039/c6tc02000c

Seidel J; Vasudevan RK; Valanoor N, 2016, 'Topological Structures in Multiferroics – Domain Walls, Skyrmions and Vortices', Advanced Electronic Materials, 2, http://dx.doi.org/10.1002/aelm.201500292

Liu G; Chen J; Lichtensteiger C; Triscone J; Aguado‐Puente P; Junquera J; Valanoor N, 2016, 'Special Issue: Topological Structures in Ferroic Materials: Positive Effect of an Internal Depolarization Field in Ultrathin Epitaxial Ferroelectric Films (Adv. Electron. Mater. 1/2016)', Advanced Electronic Materials, 2, http://dx.doi.org/10.1002/aelm.201670004

Liao SC; Chen YL; Kuo WC; Cheung J; Wang WC; Cheng X; Chin YY; Chen YZ; Liu HJ; Lin HJ; Chen CT; Juang JY; Chueh YL; Nagarajan V; Chu YH; Lai CH, 2015, 'Self-Assembled Epitaxial Core-Shell Nanocrystals with Tunable Magnetic Anisotropy', Small, 11, pp. 4117 - 4122, http://dx.doi.org/10.1002/smll.201500627

Huang HH; Zhang Q; Huang E; Maran R; Sakata O; Ehara Y; Shiraishi T; Funakubo H; Munroe P; Valanoor N, 2015, 'Epitaxial PbZrxTi1-xO3 Ferroelectric Bilayers with Giant Electromechanical Properties', Advanced Materials Interfaces, 2, http://dx.doi.org/10.1002/admi.201500075

Callori SJ; Hu S; Bertinshaw J; Yue ZJ; Danilkin S; Wang XL; Nagarajan V; Klose F; Seidel J; Ulrich C, 2015, 'Strain-induced magnetic phase transition in SrCoO3-δ thin films', Physical Review B - Condensed Matter and Materials Physics, 91, pp. 140405, http://dx.doi.org/10.1103/PhysRevB.91.140405

Liu JY; Cheng X; Nagarajan V; Xin HL, 2015, 'Understanding growth mechanisms of epitaxial manganese oxide (Mn3O4) nanostructures on strontium titanate (STO) oxide substrates', MRS Communications, 5, pp. 1 - 8, http://dx.doi.org/10.1557/mrc.2015.12

Krishnan PSSR; Aguiar JA; Ramasse QM; Kepaptsoglou DM; Liang WI; Chu YH; Browning ND; Munroe P; Nagarajan V, 2015, 'Mapping strain modulated electronic structure perturbations in mixed phase bismuth ferrite thin films', Journal of Materials Chemistry C, 3, pp. 1835 - 1845, http://dx.doi.org/10.1039/c4tc02064b

Zhang Q; Valanoor N; Standard O, 2015, 'Epitaxial (001) BiFeO3 thin-films with excellent ferroelectric properties by chemical solution deposition-the role of gelation', Journal of Materials Chemistry C, 3, pp. 582 - 595, http://dx.doi.org/10.1039/c4tc02371d

Walker J; Bryant P; Kurusingal V; Sorrell C; Kuscer D; Drazic G; Bencan A; Nagarajan V; Rojac T, 2015, 'Synthesis-phase-composition relationship and high electric-field-induced electromechanical behavior of samarium-modified BiFeO3 ceramics', Acta Materialia, 83, pp. 149 - 159, http://dx.doi.org/10.1016/j.actamat.2014.09.058

Walker J; Budic B; Bryant P; Kurusingal V; Sorrell C; Bencan A; Rojac T; Valanoor N, 2015, 'Robust polarization and strain behavior of sm-modified BiFeO3 piezoelectric ceramics', IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 62, pp. 83 - 87, http://dx.doi.org/10.1109/TUFFC.2014.006663

Cheng X; Sullaphen J; Weyland M; Liu H; Valanoor N, 2015, 'Role of Interface Structure and Chemistry in Resistive Switching of NiO Nanocrystals on SrTiO3', Microscopy and Microanalysis, 21, pp. 781 - 782, http://dx.doi.org/10.1017/s1431927615004705

Maran R; Yasui S; Eliseev EA; Glinchuk MD; Morozovska AN; Funakubo H; Takeuchi I; Nagarajan V, 2014, 'Interface control of a morphotropic phase boundary in epitaxial samarium modified bismuth ferrite superlattices', Physical Review B - Condensed Matter and Materials Physics, 90, http://dx.doi.org/10.1103/PhysRevB.90.245131

Jahangir S; Cheng X; Huang HH; Ihlefeld J; Nagarajan V, 2014, 'In-situ investigation of thermal instabilities and solid state dewetting in polycrystalline platinum thin films via confocal laser microscopy', Journal of Applied Physics, 116, http://dx.doi.org/10.1063/1.4898691

Chen J; Gruverman A; Morozovska AN; Valanoor N, 2014, 'Sub-critical field domain reversal in epitaxial ferroelectric films', Journal of Applied Physics, 116, http://dx.doi.org/10.1063/1.4896730

Zhang Q; Valanoor N; Standard O, 2014, 'Chemical solution deposition derived (001)-oriented epitaxial BiFeO 3 thin films with robust ferroelectric properties using stoichiometric precursors (invited)', Journal of Applied Physics, 116, http://dx.doi.org/10.1063/1.4891311

Chang LW; Nagarajan V; Okatan MB; Gregg JM, 2014, 'Clamping-induced changes of domain morphology in 88%Pb(Zn 1/3Nb2/3)O3-12%PbTiO3', Journal of Applied Physics, 116, http://dx.doi.org/10.1063/1.4891312

Bassiri-Gharb N; Kalinin SV; Valanoor N, 2014, 'Preface to special topic: Piezoresponse force microscopy and nanoscale phenomena in polar materials', Journal of Applied Physics, 116, http://dx.doi.org/10.1063/1.4891444

Bertinshaw J; Brück S; Lott D; Fritzsche H; Khaydukov Y; Soltwedel O; Keller T; Goering E; Audehm P; Cortie DL; Hutchison WD; Ramasse QM; Arredondo M; Maran R; Nagarajan V; Klose F; Ulrich C; Brueck S, 2014, 'Element-specific depth profile of magnetism and stoichiometry at the La0.67 Sr0.33 MnO3/ BiFeO3 interface', Physical Review B - Condensed Matter and Materials Physics, 90, pp. 041113, http://dx.doi.org/10.1103/PhysRevB.90.041113

Rana A; Lu H; Bogle K; Zhang Q; Vasudevan R; Thakare V; Gruverman A; Ogale S; Valanoor N, 2014, 'Scaling behavior of resistive switching in epitaxial bismuth ferrite heterostructures', Advanced Functional Materials, 24, pp. 3962 - 3969, http://dx.doi.org/10.1002/adfm.201400110

Liu JY; Ng YH; Okatan MB; Amal R; Bogle KA; Valanoor N, 2014, 'Interface-dependent electrochemical behavior of nanostructured manganese (IV) oxide (Mn3O4)', Electrochimica Acta, 130, pp. 810 - 817, http://dx.doi.org/10.1016/j.electacta.2014.03.103

Schaefer BT; Cheung J; Ihlefeld JF; Jones JL; Nagarajan V, 2014, 'Erratum: Stability and dewetting kinetics of thin gold films on Ti, TiOx and ZnO adhesion layers (Acta Materialia (2013) 61 (7841-7848))', Acta Materialia, 70, pp. 316 - 317, http://dx.doi.org/10.1016/j.actamat.2013.12.024

Morozovska AN; Eliseev EA; Krishnan PSSR; Tselev A; Strelkov E; Borisevich A; Varenyk OV; Morozovsky NV; Munroe P; Kalinin SV; Nagarajan V, 2014, 'Defect thermodynamics and kinetics in thin strained ferroelectric films: The interplay of possible mechanisms', Physical Review B - Condensed Matter and Materials Physics, 89, http://dx.doi.org/10.1103/PhysRevB.89.054102

Sankara Rama Krishnan PS; Morozovska AN; Eliseev EA; Ramasse QM; Kepaptsoglou D; Liang WI; Chu YH; Munroe P; Nagarajan V, 2014, 'Misfit strain driven cation inter-diffusion across an epitaxial multiferroic thin film interface', Journal of Applied Physics, 115, http://dx.doi.org/10.1063/1.4862556

Vasudevan RK; Matsumoto Y; Cheng X; Imai A; Maruyama S; Xin HL; Okatan MB; Jesse S; Kalinin SV; Nagarajan V, 2014, 'Deterministic arbitrary switching of polarization in a ferroelectric thin film', Nature Communications, 5, http://dx.doi.org/10.1038/ncomms5971

Cheng X; Sullaphen J; Weyland M; Liu H; Valanoor N, 2014, 'Role of interface structure and chemistry in resistive switching of NiO nanocrystals on SrTiO3', APL Materials, 2, http://dx.doi.org/10.1063/1.4869457

Imai A; Matsumoto Y; Cheng X; Nagarajan V; Xin HL; Eliseev EA; Morozovska AN; Kalinin SV; Takahashi R; Lippmaa M, 2013, 'Epitaxial BiTiFeO-CoFe O Pillar-matrix multiferroic nanostructures', ACS Nano, 7, pp. 11079 - 11086, http://dx.doi.org/10.1021/nn404779x

Vasudevan RK; Okatan MB; Rajapaksa I; Kim Y; Marincel D; Trolier-McKinstry S; Jesse S; Valanoor N; Kalinin SV, 2013, 'Higher order harmonic detection for exploring nonlinear interactions with nanoscale resolution', Scientific Reports, 3, pp. 2677, http://dx.doi.org/10.1038/srep02677

Vasudevan RK; Okatan MB; Liu YY; Jesse S; Yang J-C; Liang W-I; Chu Y-H; Li JY; Kalinin SV; Nagarajan V, 2013, 'Unraveling the origins of electromechanical response in mixed-phase bismuth ferrite', PHYSICAL REVIEW B, 88, http://dx.doi.org/10.1103/PhysRevB.88.020402

Xue F; Wang JJ; Sheng G; Huang E; Cao Y; Huang HH; Munroe P; Mahjoub R; Li YL; Nagarajan V; Chen LQ, 2013, 'Phase field simulations of ferroelectrics domain structures in PbZrxTi1-xO3 bilayers', ACTA MATERIALIA, 61, pp. 2909 - 2918, http://dx.doi.org/10.1016/j.actamat.2013.01.038

Cheung J; Okatan MB; Sullaphen J; Cheng X; Nagarajan V; Chen Y-L; Chu Y-H, 2013, 'Epitaxial NiO nanocrystals: a dimensional analysis', MRS Communications, 3, pp. 107 - 111, http://dx.doi.org/10.1557/mrc.2013.16

Chang L-W; Valanoor N; Scott JF; Gregg JM, 2013, 'Self-similar nested flux closure structures in a tetragonal ferroelectric', Nano Letters, 13, pp. 2553 - 2557, http://dx.doi.org/10.1021/nl400629m

Schaefer BT; Jones JL; Cheung J; Nagarajan V; Ihlefeld JF, 2013, 'Stability and dewetting kinetics of thin gold films on Ti, TiO and ZnO adhesion layers', Acta Materialia, http://dx.doi.org/10.1016/j.actamat.2013.09.022

Borisevich AY; Morozovska AN; Eliseev EA; Cheng C; Lin I-N; Chu Y-H; Kan D; Takeuchi I; Valanoor N; Kalinin SV, 2012, 'Atomic-scale evolution of modulated phases at the ferroelectric-antiferroelectric morphotropic phase boundary controlled by flexoelectric interaction', Nature communications, 3, pp. Art. No. 1778, http://dx.doi.org/10.1038/ncomms1778

Liu Y; Vasudevan R; Pan K; Xie S; Liang W; Kumar A; Jesse S; Chu Y-H; Chen Y-C; Valanoor N; Kalinin SV; Li J, 2012, 'Controlling magnetoelectric coupling by nanoscale phase transformation in strain engineered bismuth ferrite', Nanoscale, 4, pp. 3175 - 3183, http://dx.doi.org/10.1039/c2nr00039c

Vasudevan R; Morozovska AN; Eliseev EA; Britson J; Yang JC; Chu Y-H; Maksymovych P; Chen L; Valanoor N; Kalinin SV, 2012, 'Domain Wall Geometry Controls Conduction in Ferroelectrics', Nano Letters, 12, pp. 5524 - 5531

Chen Y-C; He Q; Chua F-N; Huang Y-C; Liang W; Vasudevan R; Valanoor N; Arenholz E; Kalinin SV; Chu Y-H, 2012, 'Electrical Control of Multiferroic Orderings in Mixed-Phase BiFeO3 Films', , 24, pp. 3070 - 3075, http://dx.doi.org/10.1002/adma.201200463

Valanoor N; Okatan MB; Roytburd A; Alpay SP, 2012, 'Electrical domain morphologies in compositionally graded ferroelectric films', Journal of Physics: Condensed Matter, 24, pp. 024215, http://dx.doi.org/10.1088/0953-8984/24/2/024215

Sullaphen ; Bogle KA; Cheng X; Gregg JM; Valanoor N, 2012, 'Interface mediated resistive switching in epitaxial NiO nanostructures', Applied Physics Letters, 100, pp. Art. No. 203115, http://dx.doi.org/10.1063/1.4714888

Muduli S; Game O; Dhas V; Vijayamohanan K; Bogle KA; Valanoor N; Ogale SB, 2012, 'TiO2-Au plasmonic nanocomposite for enhanced dye-sensitized solar cell (DSSC) performance', Solar Energy, 86, pp. 1428 - 1434, http://dx.doi.org/10.1016/j.solener.2012.02.002

Ehara Y; Yamada T; Iijima T; Valanoor N; Funakubo H, 2011, 'Temperature and frequency dependencies of ferroelectric properties in rhombohedral epitaxial Pb(Zr,Ti)O3 films with perfect (111) orientations grown on CaF2 substrates', Materials Research Society Symposium Proceedings, 1397, pp. 71 - 76, http://dx.doi.org/10.1557/opl.2012.726

Aguiar J; Ramasse Q; Arredondo M; Sandiumenge F; Abellan P; Valanoor N; Browning N, 2011, 'Charge Transfer in Magnetic Heterostructures from Atomic Resolution EELS', Microscopy and Microanalysis, 17, pp. 1404 - 1405, http://dx.doi.org/10.1017/s1431927611007896

Arredondo M; Weyland M; Hambe M; Ramasse QMR; Munroe PR; Valanoor N, 2011, 'Chemistry of Ruddlesden–Popper planar faults at a ferroelectric–ferromagnet perovskite interface', Journal of Applied Physics, 109, pp. 84101 - 084109, http://dx.doi.org/10.1063/1.3569858

Mahjoub R; Alpay SP; Valanoor N, 2011, 'Comment on "Theory of Giant Electromechanical Response from Ferroelectric Bilayers with Polydomain Structures due to Interlayer and Interdomain Coupling'' Reply', Physical Review Letters, 107, pp. 139702 - 139702, http://dx.doi.org/10.1103/PhysRevLett.107.139702

Kan D; Cheng C; Valanoor N; Takeuchi I, 2011, 'Composition and temperature-induced structural evolution in La, Sm, and Dy substituted BiFeO3 epitaxial thin films at morphotropic phase boundaries', Journal of Applied Physics, 110, pp. 14106 - 014113, http://dx.doi.org/10.1063/1.3605492

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