Publicationsw

2019

Phase transformation and hole doping in superoxygenated Sr2IrO4 thin films
H. Zhang, J. P. Clancy, A. Seo, C. McMahon, D. G. Hawthorn, G. A. Botton, Y. J. Kim, J. Y. T. Wei
Submitted.

Tunable Mott variable-range hopping in Sr2IrO4 epitaxial thin-films by misfit strain and isovalent doping
M. Souri, J. G. Connell, E. Teipel, J. Nichols, J. Terzic, G. Cao, A. Seo*
Submitted.

Strain-induced enhancement of exchange interactions and short-range magnetic order in Sr2IrO4 investigated by Raman spectroscopy
A. Seo*, P. P. Stavropoulos, H.-H. Kim, K. F├╝rsich, M. Souri, J. G. Connell, H. Gretarsson, M. Minola, H. Y. Kee, B. Keimer
Submitted.

Physical Review B Optical characteristics of charge carrier transfer across interfaces between YBa2Cu3O6+δ and La0.7Ca0.3MnO3
A. Seo*, A. V. Boris, G. Cristiani, H.-U. Habermeier, B. Keimer
Phys. Rev. B 99, 064501 (2019). [doi]
[arXiv]


2018

Physical Review B Unconventional anomalous Hall effect from antiferromagnetic domain walls of Nd2Ir2O7 thin film
W. J. Kim, J. H. Gruenewald, T. Oh, S. Cheon, B. Kim, O. B. Korneta, H. Cho, D. Lee, Y. Kim, M. Kim, J.-G. Park, B.-J. Yang, A. Seo, T. W. Noh*
Phys. Rev. B 98, 125103 (2018). [doi] [arXiv]

Physical Review Materials Electronic and optical properties of La-doped Sr3Ir2O7 epitaxial thin-films
M. Souri, J. Terzic, J. M. Johnson, J. G. Connell, J. H. Gruenewald, J. Thompson, J. W. Brill, J. Hwang, G. Cao, A. Seo*
Phys. Rev. Materials 2, 024803 (2018). [doi] [arXiv]


2017

Journal of Physical Chemistry CStretching epitaxial La0.6Sr0.4CoO3-δ for fast oxygen reduction
D. Lee, R. Jacobs, Y. S. Jee, A. Seo, C. H. Sohn, A. Ievlev, O. Ovchinnikova, K. Huang, D. Morgan, H. N. Lee*
J. Phys. Chem. C 121, 25651 (2017). [doi]

Physical Review B Optical signatures of spin-orbit exciton in bandwidth controlled Sr2IrO4 epitaxial films via high-concentration Ca and Ba doping
M. Souri, B. H. Kim, J. H. Gruenewald, J. G. Connell, J. Thompson, J. Nichols, J. Terzic, B. I. Min, J. W. Brill, G. Cao, A. Seo*
Phys. Rev. B 95, 235125 (2017). [doi] [arXiv]

Advanced Materials Engineering 1D quantum-stripes from superlattices of 2D layered materials
J. H. Gruenewald, J. Kim, H. S. Kim, J. M. Johnson, J. Hwang, M. Souri, J. Terzic, S. H. Chang, A. Said, J. W. Brill, G. Cao, H. Y. Kee, A. Seo*
Adv. Mater. 29, 163798 (2017). [doi] [arXiv]


2016

Chemistry of Materials Solid-liquid-vapor synthesis of negative metal oxide nanowire arrays
L. Yu, S. Wang, A. Sundararajan, A. J. Riddle, J. Thompson, M. E. Park, A. Seo, B. S. Guiton*
Chem. Mater. 28, 8924 (2016). [doi]

Applied Physics LettersSelective growth of epitaxial Sr2IrO4 by controlling plume dimensions in pulsed laser deposition
A. Seo*J. Nichols, J. Hwang, J. Terzic, J. H. Gruenewald, M. SouriJ. Thompson, J. G. Connell, G. Cao 
Appl. Phys. Lett. 109, 201901 (2016). [doi] [arXiv]

Applied Physics Letters Enhanced metallic properties of SrRuO3 thin-film electrodes via kinetically controlled laser ablation
J. Thompson, J. Nichols, S. Lee, S. Ryee, J. H. Gruenewald, J. G. Connell, M. Souri, J. M. Johnson, J. Hwang, M. J. Han, H. N. Lee, D.-W. Kim, A. Seo*
Appl. Phys. Lett. 109, 161902 (2016). [doi]
[arXiv]

Scientific Reports Large linear magnetoresistance in heavily-doped Nb:SrTiO3 epitaxial thin films
H. Jin, K. Lee, S.-H. Baek, J.-S. Kim, B.-K. Cheong, B. H. Park, S. Yoon, B. J. Suh, C. Kim, 
A. Seo, S. Lee*
Sci. Rep. 6, 34295 (2016). [doi]

Scientific Reports Investigations of metastable Ca2IrO4 epitaxial thin-films: systematic comparison with Sr2IrO4 and Ba2IrO4
M. SouriJ. H. Gruenewald, J. Terzic, J. W. Brill, G. Cao, A. Seo*
Sci. Rep. 6, 25967 (2016). [doi] [arXiv]

Scientific ReportsConducting LaAlO3/SrTiO3 heterointerfaces on atomically flat substrates prepared by deionized-water
J. G. Connell, J. Nichols, J. H. Gruenewald, D.-W. Kim, A. Seo*
Sci. Rep. 6, 23621 (2016). [doi] 
[arXiv]

Nanotechnology Domain wall conductivity in semiconducting hexagonal ferroelectric TbMnO3 thin films
D. J. Kim, J. G. Connell, A. Seo, A. Gruverman*
Nanotechnology 27, 155705 (2016). [doi] [arXiv]

Scientific ReportsGrowth control of oxygen stoichiometry in homoepitaxial SrTiO3 films by pulsed laser epitaxy in high vacuum
H. N. Lee*, A. Seo, W. S. Choi, C. M. Rouleau
Sci. Rep. 6, 19941 (2016). [doi] [arXiv]


2015

APL Materials Electronic structure and insulating gap in epitaxial VO2 polymorphs
S. Lee, T. Meyer, C. H. Sohn, D. Lee, J. Nichols, D. Lee, A. Seo, J. W. Freeland, T. W. Noh, H. N. Lee*
APL Mat. 3, 126109 (2015). [doi]

Microscopy and MicroanalysisIdentifying atomic reconstruction at complex oxide interfaces using quantitative STEM
J. M. Johnson, J. Thompson, A. Seo, J. Hwang*
Microsc. Microanal. 21, 1237 (2015). [doi]

 Chap. 12, Optoelectronics: optical properties and electronic structures of complex metal oxides
W. S. Choi, A. Seo, H. N. Lee
Epitaxial Growth of Complex Metal Oxides (edited by G. Koster, M. Huijben, G. Rijnders) pp.331-361 (Elsevier, ISBN 978-1-78242-245-7, ISBN 978-1-78242-255-6). [link]

Applied Physics Letters Room temperature optical anisotropy of a LaMnO3 thin-film induced by ultra-short pulse laser
P. Munkhbaatar, Z. Marton, B. Tsermaa, W. S. Choi, A. Seo, J. S. Kim, N. Nakagawa, H. Y. Hwang, H. N. Lee, K. Myung-Whun*
Appl. Phys. Lett. 106, 092907 (2015). [doi]


2014

Journal of Materials ResearchCompressive strain-induced metal-insulator transition in orthorhombic SrIrO3 thin films
J. H. Gruenewald, J. Nichols, J. Terzic, G. Cao, J. W. Brill, A. Seo*
J. Mater. Res. 29, 2491 (2014). [doi]

Advanced Materials Room-temperature ferroelectricity in hexagonal TbMnO3 thin films
D. J. Kim*, T. R. Paudel, H. Lu, J. D. Burton, J. G. Connell, E. Y. Tsymbal, A. Seo, A. Gruverman*
Adv. Mater. 26, 7660 (2014). [doi]

Applied Physics LettersAlleviating polarity-conflict at the heterointerfaces of KTaO3/GdScO3 polar complex-oxides
J. Thompson, J. Hwang, J. Nichols, J. G. Connell, S. Stemmer, A. Seo*
Appl. Phys. Lett. 105, 102901 (2014). [doi]
[arXiv]

Scientific ReportsTransparent conducting oxides: A delta-doped superlattice approach
V. R. Cooper, A. Seo, S. Lee, J. S. Kim, W. S. Choi, S. Okamoto, H. N. Lee*
Sci. Rep. 4, 6021 (2014). [doi]

Physical Review Letters Tuning magnetic coupling in Sr2IrO4 thin films with epitaxial strain
A. Lupascu, J. P. Clancy, H. Gretarsson, Z. Nie, J. Nichols, J. Terzic, G. Cao, A. Seo, Z. Islam, M. H. Upton, J. Kim, D. Casa, T. Gog, A. H. Said, V. M. Katukuri, H. Stoll, L. Hozoi, J. van den Brink, Y.-J. Kim*
Phys. Rev. Lett. 112, 147201 (2014). [doi] [arXiv]

Applied Physics LettersEpitaxial Ba2IrO4 thin-films grown on SrTiO3 substrates by pulsed laser deposition
J. Nichols, O. B. Korneta, J. Terzic, G. Cao, J. W. Brill, A. Seo*
Appl. Phys. Lett. 104, 121913 (2014
). [doi] [arXiv]

APL MaterialsOctahedral rotations in strained LaAlO3/SrTiO3 (001) heterostructures
T. T. Fister, H. Zhou, Z. Luo, A. Seo, S. O. Hruszkewycz, D. L. Proffit, J. A. Eastman, P. H. Fuoss, P. M. Baldo, H. N. Lee, D. D. Fong*
APL Mat. 2, 021102 (2014). [doi]


2013

Applied Physics Letters Anisotropic electronic properties of a-axis-oriented Sr2IrO4 epitaxial thin-films
J. Nichols, O. B. Korneta, J. Terzic, L. E. De Long, G. Cao, J. W. Brill, A. Seo*
Appl. Phys. Lett. 103, 131910 (2013). [doi] [arXiv]

Physical Review Letters Reversal of the lattice structure of SrCoOx epitaxial thin films using real-time optical spectroscopy and first-principles calculations
W. S. Choi, H. Jeen, J. H. Lee, A. Seo, V. R. Cooper, K. M. Rabe, H. N. Lee*
Phys. Rev. Lett. 111, 097401 (2013). [doi] [arXiv]

Applied Physics LettersTuning electronic structure via epitaxial strain in Sr2IrO4 thin films
J. Nichols, J. Terzic, E. G. Bittle, O. B. Korneta, L. E. De Long, J. W. Brill, G. Cao, A. Seo*
Appl. Phys. Lett. 102, 141908 (2013).
[doi]
 [arXiv] 

Review of Scientific InstrumentsPulsed laser deposition with simultaneous in situ real-time monitoring of optical spectroscopic ellipsometry and reflection high-energy electron diffraction
J. H. Gruenewald, J. Nichols, A. Seo*
Rev. Sci. Instrum. 84, 043902 (2013). [doi] [arXiv]

Physical Review LettersOxygen vacancy-induced orbital reconstruction of Ti ions at the interface of LaAlO3/SrTiO3 heterostructures: A resonant soft x-ray scattering study
J. Park, B.-G. Cho, K. D. Kim, J. Koo, H. Jang, K.-T. Ko, J.-H. Park, K.-B. Lee*, J.-Y. Kim, D. R. Lee, C. A. Burns, A. Seo, H. N. Lee
Phys. Rev. Lett. 110, 017401 (2013). [doi]


2012

Applied Physics LettersPreparation of atomically-flat SrTiO3 surfaces using a deionized-water leaching and thermal annealing procedure
J. G. Connell, B. J. Isaac, G. B. Ekanayake, D. R. Strachan, A. Seo*
Appl. Phys. Lett. 101, 251607 (2012).
[doi] [arXiv]

Advanced Materials Atomic layer engineering of perovskite oxides for chemically sharp heterointerfaces
W. S. Choi, C. M. Rouleau, A. Seo, Z. Luo, H. Zhou, T. T. Fister, J. A. Eastman, P. H. Fuoss, D. D. Fong, J. Z. Tischler, G. Eres, M. F. Chisholm, H. N. Lee*
Adv. Mater. 24, 6423 (2012). [doi] [arXiv]


2011

Physical Review B Charge states and magnetic ordering in LaMnO3/SrTiO3 superlattices
W. S. Choi, D. W. Jeong, A. Seo, Y. S. Lee, T. H. Kim, S. Y. Jang, H. N. Lee, K. Myung-Whun*
Phys. Rev. B 83, 195113 (2011). [doi] [arXiv]

Journal of the Korean Physical Society LaMnO3 thin films grown by using pulsed laser deposition and their simple recovery to a stoichiometric phase by annealing
W. S. Choi, D. W. Jeong, S. Y. Jang, Z. Marton, A. Seo, H. N. Lee, Y. S. Lee*
J. Kor. Phys. Soc. 58, 569 (2011). [doi]


2003 - 2010

Physical Review BNonlinear Hall effect and multichannel conduction in LaTiO3/SrTiO3 superlattices
J. S. Kim, A. Seo, M. F. Chisholm, R. K. Kremer, H.-U. Habermeier, B. Keimer, H. N. Lee*
Phys. Rev. B 82, 201407(R) (2010). [doi] [arXiv]

Physical Review BOptical properties of ferroelectric Bi4Ti3O12
D. J. Singh*, A. Seo, H. N. Lee
Phys. Rev. B 82, 180103(R) (2010). [doi]

Journal of Crystal GrowthGrowth control of stoichiometry in LaMnO3 epitaxial thin films by pulsed laser deposition
Z. Marton, A. Seo, T. Egami, H. N. Lee*
J. Crys. Growth 312, 2923 (2010). [doi]

Physical Review B Electronic structure and anomalous band-edge absorption feature in multiferroic MnWO4: An optical spectroscopic study
W. S. Choi, K. Taniguchi, S. J. Moon, A. Seo, T. Arima, H. Hoang, I.-S. Yang, T. W. Noh, Y. S. Lee*
Phys. Rev. B 81, 205111 (2010). [doi] [arXiv]

Applied Physics LettersZnO-ZnTe nanocone heterojunctions
S. H. Lee, X.-G. Zhang, B. Smith, A. Seo, Z. W. Bell, J. Xu*
Appl. Phys. Lett. 96, 193116 (2010). [doi]

Physical Review LettersTwo-dimensional confinement of 3d1 electrons in LaTiO3/LaAlO3 multilayers
A. Seo*, M. J. Han, G. W. J. Hassink, W. S. Choi, S. J. Moon, J. S. Kim, T. Susaki, Y. S. Lee, J. Yu, C. Bernhard, H. Y. Hwang, G. Rijnders, D. H. A. Blank, B. Keimer, T. W. Noh*
Phys. Rev. Lett. 104, 036401 (2010). [doi] [arXiv]

Applied Physics LettersMultiple conducting carriers generated in LaAlO3/SrTiO3 heterostructures
A. Seo*, Z. Marton, W. S. Choi, G. W. J. Hassink, D. H. A. Blank, H. Y. Hwang, T. W. Noh, T. Egami, H. N. Lee*
Appl. Phys. Lett. 95, 082107 (2009). [doi]

Applied Physics LettersStrain-coupled ferroelectric polarization in BaTiO3-CaTiO3 superlattices
A. Seo, H. N. Lee*
Appl. Phys. Lett. 94, 232904 (2009). [doi]

Physical Review B Temperature-dependent electronic structure evolution of the Jeff=1/2 Mott insulator Sr2IrO4 by optical spectroscopy
S. J. Moon, H. Jin, W. S. Choi, J. S. Lee, A. Seo, J. Yu, G. Cao, T. W. Noh, Y. S. Lee*
Phys. Rev. B 80, 195110 (2009). [doi]

Journal of Physics D: Applied PhysicsEffects of oxygen-reducing atmosphere annealing on LaMnO3 epitaxial thin films
W. S. Choi, Z. Marton, S. Y. Jang, S. J. Moon, B. C. Jeon, J. H. Shin, A. Seo, T. W. Noh, K. Myung-Whun, H. N. Lee, Y. S. Lee*
J. Phys. D: Appl. Phys. 42, 165401 (2009). [doi]

Physical Review LettersSignatures of electronic correlations in optical properties of LaFeAsO1-xFx
A. V. Boris*, N. N. Kovaleva, A. Seo, J. S. Kim, P. Popovich, Y. Matiks, R. K. Kremer, B. Keimer
Phys. Rev. Lett. 102, 027001 (2009). [doi]

Physical Review B Optical spectroscopic investigation on the coupling of electronic and magnetic structure in multiferroic hexagonal RMnO3 (R=Gd, Tb, Dy, and Ho) thin films
W. S. Choi, S. J. Moon, A. Seo, D. Lee, J. H. Lee, P. Murugavel, T. W. Noh, Y. S. Lee*
Phys. Rev. B 78, 054440 (2008). [doi]

Physical Review B Electronic structures of hexagonal RMnO3 (R= Gd, Tb, Dy, and Ho) thin films: Optical spectroscopy and first-principles calculations
W. S. Choi, D. G. Kim, A. Seo, S. J. Moon, D. Lee, J. H. Lee, H. S. Lee, D.-Y. Cho, Y. S. Lee, P. Murugavel, J. Yu, T. W. Noh*
Phys. Rev. B 77, 045137 (2008). [doi]

Journal of the Korean Physical Society Optical characterization of doped SrTiO3 over wide photon energy range
S. J. Kim, A. Seo, S. J. Moon, W. S. Choi, N. H. Hur, Y. K. Seo, Y. S. Lee*
J. Kor. Phys. Soc. 51, S161 (2007). [doi]

Physical Review LettersOptical study of the free-carrier response of LaTiO3/SrTiO3 superlattices
A. Seo, W. S. Choi, H. N. Lee, K. W. Kim, L. Yu, C. Bernhard, T. W. Noh*
Phys. Rev. Lett. 99, 266801 (2007). [doi]

Advanced Materials Ferroelectricity in artificial bicolor oxide superlattices
A. Seo, J. H. Lee, H. N. Lee, M. F. Chisholm, W. S. Choi, D. J. Kim, J. Y. Jo, H. Kim, J. Yu, T. W. Noh*
Adv. Mater. 19, 2460 (2007). [doi]

Physical Review BDielectric constants of Ir, Ru, Pt, and IrO2: Contributions from bound charges
W. S. Choi, A. Seo, K. W. Kim, T. W. Noh*, M. Y. Kim, S. Shin
Phys. Rev. B 74, 205117 (2006). [doi]

Applied Physics LettersEvidence of metallic clustering in annealed Ga1-xMnxAs from atypical scaling behavior of the anomalous Hall coefficient
H. K. Choi, Y. S. Kim, A. Seo, I. T. Jeong, W. O. Lee, Y. S. Oh, K. H. Kim, J. C. Woo, T. W. Noh, Z. G. Khim, Y. D. Park*, S. H. Chun
Appl. Phys. Lett. 89, 102503 (2006). [doi]

Applied Physics Letters Epitaxial growth and the magnetic properties of orthorhombic YTiO3 thin films
S. C. Chae, Y. J. Chang, A. Seo, T. W. Noh*, D. W. Kim, C. U. Jung
Appl. Phys. Lett. 89, 182512 (2006). [doi]

Applied Spectroscopy Temperature-dependent Raman spectroscopic study of the nematic liquid crystal 4-n-pentyl-4'-cyanobiphenyl
D. S. Kang, K. S. Kwon, S. I. Kim, M. S. Gong, A. Seo, T. W. Noh, S. W. Joo*
Appl. Spectrosc. 59, 1136 (2005). [doi]

Thin Solid Films Infrared spectroscopy of CaTiO3, SrTiO3, BaTiO3, Ba0.5Sr0.5TiO3 thin films, and (BaTiO3)5/(SrTiO3)5 superlattice grown on SrRuO3/SrTiO3(001) substrates
A. Seo, H. N. Lee, T. W. Noh*
Thin Solid Films 486, 94 (2005). [doi]

Journal of Applied PhysicsNondestructive spectroscopic method to detect MnAs metallic nanocrystals in annealed GaAs:Mn
A. Seo, T. W. Noh*, Y. W. Kim, J. D. Lim, Y. D. Park, Y. S. Kim, Z. G. Khim, H. C. Jeon, T. W. Kang, S. J. Pearton
J. Appl. Phys. 95, 8172 (2004). [doi]

Applied Physics Letters Observation of sphere resonance peak in ferromagnetic GaN:Mn
A. Seo, M. W. Kim, Y. S. Lee, T. W. Noh*, Y. D. Park, G. T. Thaler, M. E. Overberg, C. R. Abernathy, S. J. Pearton
Appl. Phys. Lett. 82, 4749 (2003). [doi]

Solid State CommunicationsOptical investigations of polycrystalline Mg1-xB2 near metal-insulator transition
J. H. Jung, A. Seo, T. W. Noh*, P. A. Sharma, N. Hur, S. W. Cheong
Solid State Commun. 126, 175 (2003). [doi]