SHEN RESEARCH GROUP @ CORNELL

Publications

2019

O. Ivashko, M. Horio, W. Wan, N.B. Christensen, D.E. McNally, E. Paris, Y. Tseng, N.E. Shaik, H.M. Rønnow, H.I. Wei, C. Adamo, C. Lichtensteiger, M. Gibert, M.R. Beasley, K.M. Shen, J.M. Tomczak, T. Schmitt, and J. Chang. Strain-engineering Mott-insulating La2CuO4. Nature Communications 10:786 (2019).

 

J.N. Nelson, J.P. Ruf, Y. Lee, C. Zeledon, J.K. Kawasaki, S. Moser, C. Jozwiak, E. Rotenberg, A. Bostwick, D.G. Schlom, K.M. Shen, and L. Moreschini. Dirac nodal lines protected against spin-orbit interaction in IrO2. Physical Review Materials 3, 064205 (2019).

 

E.B. Lochocki, S. Vishwanath, X. Liu, M. Dobrowolska, J. Furdyna, H.G. Xing, and K.M. Shen. Electronic structure of SnSe2 films grown by molecular beam epitaxy. Applied Physics Letters 114, 091602 (2019).

G. Kim, Y.E. Suyolcu, J. Herrero-Martin, D. Putzky, H.P. Nair, J.P. Ruf, N.J. Schreiber, C. Dietl, G. Christiani, G. Logvenov, M. Minola, P.A. van Aken, K.M. Shen, D.G. Schlom, and B. Keimer. Electronic and vibrational signatures of ruthenium vacancies in Sr2RuO4 thin films. Physical Review Materials 3, 094802 (2019)

D.-Y. Kuo, H. Paik, J.N. Nelson, K.M. Shen, D.G. Schlom, and J. Suntivich. Chlorine evolution reaction electrocatalysis on RuO2 (110) and IrO2 (110) grown using molecular-beam epitaxy. The Journal of Chemical Physics 150, 041726 (2019).

A. Galdi, C.M. Pierce, L. Cultrera, G. Adhikari, W.A. Schroeder, H. Paik, D.G. Schlom, J.K. Nangoi, T.A. Arias, E. Lochocki, C. Parzyck, K.M. Shen, J.M. Maxson, and I.V. Bazarov. Low energy photoemission from (100) Ba1−xLaxSnO3 thin films for photocathode applications. European Physical Journal : Special Topics 228, 713 (2019).

M. Coll, J. Fontcuberta, M. Althammer, M. Bibes, H. Boschker, A. Calleja, G. Cheng, M. Cuoco, R. Dittmann, B. Dkhil, I. El Baggari, M. Fanciulli, I. Fina, E. Fortunato, C. Frontera, S. Fujita, V. Garcia, S.T.B. Goennenwein, C.G. Granqvist, J. Grollier, R. Gross, A. Hagfeldt, G. Herranz, K. Hono, E. Houwman, M. Huijben, A. Kalaboukhov, D.J. Keeble, G. Koster, L.F. Kourkoutis, J. Levy, M. Lira-Cantu, J.L. MacManus-Driscoll, J. Mannhart, R. Martins, S. Menzel, T. Mikolajick, M. Napari, M.D. Nguyen, G. Niklasson, C. Paillard, S. Panigrahi, G. Rijnders, F. Sánchez, P. Sanchis, S. Sanna, D.G. Schlom, U. Schroeder, K.M. Shen, A. Siemon, M. Spreitzer, H. Sukegawa, R. Tamayo, J. van den Brink, N. Pryds, and F.M. Granozio. Towards Oxide Electronics : A Roadmap. Applied Surface Science 482, 1 (2019).

2018

J.K. Kawasaki, C.H. Kim, J.N. Nelson, S. Crisp, C.J. Zollner, E. Biegenwald, J.T. Heron, C.J. Fennie, D.G. Schlom, and K.M. Shen. Engineering Carrier Effective Masses in Ultrathin Quantum Wells of IrO2. Physical Review Letters 121, 176802 (2018).

H.P. Nair, J.P. Ruf, N.J. Schreiber, L. Miao, M.L. Grandon, D.J. Baek, B.H. Goodge, J.P.C. Ruff, L.F. Kourkoutis, K.M. Shen, and D.G. Schlom. Demystifying the growth of superconducting Sr2RuO4 thin films. APL Materials 6, 101108 (2018).

J.K. Kawasaki, D. Baek, H. Paik, H.P. Nair, L.F. Kourkoutis, D.G. Schlom, and K.M. Shen. Rutile IrO2 / TiO2 superlattices: A hyperconnected analog to the Ruddelsden-Popper structure. Physical Review Materials 2, 054206 (2018).

Y. Liu, H.P. Nair, J.P. Ruf, D.G. Schlom, and K.M. Shen. Revealing the hidden heavy Fermi liquid in CaRuO3. Physical Review B 98, 041110R (2018).

D.-Y. Kuo, H. Paik, J. Kloppenburg, B. Faeth, K.M. Shen, D.G. Schlom, G. Hautier, and J. Suntivich. Measurements of Oxygen Electroadsorption Energies and Oxygen Evolution Reaction on RuO2(110) : A Discussion of the Sabatier Principle and Its Role in Electrocatalysis. Journal of the American Chemical Society 140, 17597 (2018).

H.P. Nair, Y. Liu, J.P. Ruf, N.J. Schreiber, S. Shang, D.J. Baek, B.H. Goodge, L.F. Kourkoutis, Z. Liu, K.M. Shen, and D.G. Schlom. Synthesis science of SrRuO3 and CaRuO3 epitaxial films with high residual resistivity ratios. APL Materials 6, 46101 (2018). 

A. Galdi, P. Orgiani, C. Sacco, B. Gobaut, P. Torelli, C. Aruta, N.B. Brookes, M. Minola, J.W. Harter, K.M. Shen, D.G. Schlom, and L. Maritato. X-ray absorption spectroscopy study of annealing process on Sr1–xLaxCuO2 electron-doped cuprate thin films. Journal of Applied Physics 123, 123901 (2018).

E.B. Lochocki, H. Paik, M. Uchida, D.G. Schlom, and K.M. Shen. Controlling surface carrier density by illumination in the transparent conductor La-doped BaSnO3. Applied Physics Letters 112, 181603 (2018). 

Q. Zhang, M.O. Li, E.B. Lochocki, S. Vishwanath, X. Liu, R. Yan, H. Lien, M. Dobrowolska, J. Furdyna, K.M. Shen, G. Cheng, A.R. Hight Walker, D.J. Gundlach, H.G. Xing, and N. V Nguyen. Band offset and electron affinity of MBE-grown SnSe2. Applied Physics Letters 112, 42108 (2018).

2017

S. Chatterjee, J.P. Ruf, H.I. Wei, K.D. Finkelstein, D.G. Schlom, and K.M. Shen. Lifshitz Transition from Valence Fluctuations in YbAl3. Nature Communications 8, 852 (2017).

J.P. Ruf, P.D.C. King, V.B. Nascimento, D.G. Schlom, and K.M. Shen. Surface atomic structure of epitaxial LaNiO3 thin films studied by in situ LEED-IV. Physical Review B 95, 115418 (2017).

D.Y. Kuo, J.K. Kawasaki, J.N. Nelson, J. Kloppenburg, G. Hautier, K.M. Shen, D.G. Schlom, and J. Suntivich. Influence of Surface Adsorption on the Oxygen Evolution Reaction on IrO2 (110). Journal of the American Chemical Society 139, 3473 (2017).

H. Paik, Z. Chen, E. Lochocki, H. Ariel Seidner, A. Verma, N. Tanen, J. Park, M. Uchida, S. Shang, B.-C. Zhou, M. Brützam, R. Uecker, Z.-K. Liu, D. Jena, K.M. Shen, D.A. Muller, and D.G. Schlom. Adsorption-controlled growth of La-doped BaSnO3 by molecular beam epitaxy APL Materials 5, 116107 (2017).

K.M. Shen. Putting the squeeze on superconductivity. Science 355, 133 (2017).

2016

C. Gutierrez, C.J. Kim, L. Brown, T. Schiros, D. Nordlund, E. Lochocki, K.M. Shen, J. Park, and A. Pasupathy. Imaging Chiral Symmetry Breaking from Kekule Bond Order in Graphene. Nature Physics 12, 950 (2016)

 

H.I. Wei, C. Adamo, E.A. Nowadnick, E.B. Lochocki, S. Chatterjee, J.P. Ruf, M.R. Beasley, D.G. Schlom, and K.M. Shen. Electron Doping of the Parent Cuprate La2CuO4 without Cation Substitution. Physical Review Letters 117 147002 (2016).

 

D.E. Shai, M.H. Fischer, A.J. Melville, E.J. Monkman, J.W. Harter, D.W. Shen, D.G. Schlom, M.J. Lawler, E.-A. Kim, and K.M. Shen. Observation of semi-localized dispersive states in the strongly correlated electron-doped ferromagnet Eu1-xGdxO. Physical Review B 94, 195102 (2016).

 

J.K. Kawasaki, M. Uchida, H. Paik, D.G. Schlom, and K.M. Shen. Evolution of electronic correlations across the rutile, perovskite, and Ruddelsden-Popper iridates with octahedral connectivity. Physical Review B 94, 121104(R) (2016).

 

S. Chatterjee, S.H. Sung, D.J. Baek, L.F. Kourkoutis, D.G. Schlom, and K.M. Shen. Epitaxial growth and electronic properties of mixed valence YbAl3 thin films. Journal of Applied Physics 120, 035105 (2016).

 

Y.T. Hsu, W. Cho, A.F. Rebola, B. Burganov, C. Adamo, K.M. Shen, D.G. Schlom, C.J. Fennie, and E.A. Kim. Manipulating superconductivity in ruthenates through Fermi surface engineering. Physical Review B 94, 045118 (2016).

 

B. Burganov, C. Adamo, A. Mulder, M. Uchida, P.D.C. King, J.W. Harter, D.E. Shai, A.S. Gibbs, A.P. Mackenzie, R. Uecker, M. Bruetzam, M.R. Beasley, C.J. Fennie, D.G. Schlom, and K.M. Shen. Strain Control of Fermiology and Many-Body Interactions in Two-Dimensional Ruthenates. Physical Review Letters 116, 197003 (2016).

 

R. Tang, Y. Nie, J.K. Kawasaki, D.Y. Kuo, G. Petretto, G. Hautier, G.M. Rignanese, K.M. Shen, D.G. Schlom, and J. Suntivich. Oxygen evolution reaction electrocatalysis on SrIrO3 grown using molecular beam epitaxy. Journal of Materials Chemistry A 4, 6831 (2016)

2015

E.A. Nowadnick, J.P. Ruf, H. Park, P.D.C. King, D.G. Schlom, K.M. Shen, and A.J. Millis. Quantifying electronic correlation strength in a complex oxide: a combined DMFT and ARPES study of LaNiO3. Physical Review B 92, 245109 (2015).

 

L. Bawden, J.M. Riley, C.H. Kim, R. Sankar, E.J. Monkman, D.E. Shai, H.I. Wei, E.B. Lochocki, J.W. Wells, W. Meevasana, T.K. Kim, M. Hoesch, Y. Ohtsubo, P. LeFevre, C.J. Fennie, K.M. Shen, F. Chou, and P.D.C. King. Hierarchical spin-orbital polarization of a giant Rashba system. Science Advances 1, e1500495 (2015).

 

Y.F. Nie, D. Di Sante, S. Chatterjee, P.D.C. King, M. Uchida, S. Ciuchi, D.G. Schlom, and K.M. Shen. Formation and observation of a quasi-two-dimensional dxy electron liquid in epitaxially stabilized Sr2-xLaxTiO4 thin films. Physical Review Letters 115, 096405 (2015).

 

J.W. Harter, L. Maritato, D.E. Shai, E.J. Monkman, Y.F. Nie, D.G. Schlom, and K.M. Shen. Doping evolution and polar surface reconstruction of the infinite layer cuprate Sr1-xLaxCuO2. Physical Review B 92, 035149 (2015).

 

Y.F. Nie, P.D.C. King, C.H. Kim, M. Uchida, H.I. Wei, C.J. Fennie, D.G. Schlom, and K.M. Shen. Interplay of spin-orbit interactions, dimensionality, and octahedral rotations in semimetallic SrIrO3. Physical Review Letters 114, 016401 (2015).

2014

L. Brown, E.B. Lochocki, J. Avila, C.J. Kim, Y. Ogawa, R.W. Havener, D.K. Kim, E.J. Monkman, D.E. Shai, H.I. Wei, M.P. Levendorf, M. Asensio, K.M. Shen, and J. Park. Polycrystalline graphene with single crystalline electronic structure. Nano Letters 14, 5706 (2014).

 

M. Uchida, Y.F. Nie, P.D.C. King, C.H. Kim, C.J. Fennie, D.G. Schlom, and K.M. Shen. Correlated versus conventional insulating behavior in the Jeff =1/2 vs. 3/2 bands in the layered iridate Ba2IrO4. Physical Review B 90, 075142 (2014).

 

Y.F. Nie, Y. Zhu, C.-H. Lee, L.F Kourkoutis, J.A. Mundy, J. Junquera, Ph. Ghosez, D.J. Baek, S. Sung, X.X. Xi, K.M. Shen, D.A. Muller, and D.G. Schlom. Atomically precise interfaces from non-stoichiometric deposition. Nature Communications 5:4530 (2014).

 

P.D.C. King, H.I. Wei, Y.F. Nie, M. Uchida, C. Adamo, S. Zhu, X. He, I. Bozovic, D.G. Schlom, and K.M. Shen. Atomic-scale control of competing electronic phases in ultrathin LaNiO3. Nature Nanotechnology 9, 443 (2014).

 

T. Eknapakul, P. D. C. King, M. Asakawa, P. Buaphet, R.-H. He, S.-K. Mo, H. Takagi, K. M. Shen, F. Baumberger, T. Sasagawa, S. Jungthawan, and W. Meevasana. Electronic Structure of Quasi-Freestanding MoS2 Monolayer. Nano Letters 14, 1312 (2014).

 

K.E. Arpino, D.C. Wallace, Y.F. Nie, T. Birol, P.D.C. King, S. Chatterjee, M. Uchida, S.M. Koohpayeh, J.-J. Wen, K. Page, C.J. Fennie, K.M. Shen, and T.M. McQueen. Evidence for Topologically Protected Surface States and a Superconducting Phase in [Tl4](Tl1−xSnx)Te3 Using Photoemission, Specific Heat, and Magnetization Measurements, and Density Functional Theory. Physical Review Letters 112, 017002 (2014).

2013

P.D.C. King, T. Takayama, A. Tamai, E. Rozbicki, S.M. Walker, M. Shi, L. Patthey, R.G. Moore, D. Lu, K.M. Shen, H. Takagi, and F. Baumberger. Spectroscopic indications of polaronic behavior of the strong spin-orbit insulator Sr3Ir2O7. Physical Review B 87, 241106 (2013).

 

M.P. Allan, A. Tamai, E. Rozbicki, M.H. Fischer, J. Voss, P.D.C. King, W. Meevasana, S. Thirupathaiah, E. Rienks, J. Fink, D.A. Tennant, R.S. Perry, J.F. Mercure, M.A. Wang, J. Lee, C.J. Fennie, E.A. Kim, M.J. Lawler, K.M. Shen, A.P. Mackenzie, Z.-X. Shen, and F.  Baumberger, Formation of Heavy d-electron Quasiparticles in Sr3Ru2O7. New Journal of Physics 15, 063029 (2013).

 

S. Chatterjee, J. Trinckauf, T. Hanke, D.E. Shai, J.W. Harter, T.J. Williams, G.M. Luke, K.M. Shen, and J. Geck. Formation of the Coherent Heavy Fermion Liquid at the Hidden Order Transition in URu2Si2. Physical Review Letters 110, 186401 (2013).

 

D.E. Shai, C. Adamo, D.W. Shen, C.M. Brooks, J.W. Harter, E.J. Monkman, B. Burganov, D.G. Schlom, and K.M. Shen. Quasiparticle Mass Enhancement and Temperature Dependence of the Electronic Structure of Ferromagnetic SrRuO3 Thin Films. Physical Review Letters 110, 087004 (2013).

 

L. Maritato, A. Galdi, P. Orgiani, J.W. Harter, J. Schubert, K.M. Shen, and D.G. Schlom. Layer-by-Layer shuttered molecular-beam epitaxial growth of superconducting Sr1-xLaxCuO2 thin films. Journal of Applied Physics 113, 053911 (2013).

 

2012

J.W. Harter, P.D.C. King, E.J. Monkman, D.E. Shai, Y. Nie, M. Uchida, B. Burganov, S. Chatterjee, and K.M. Shen. A tunable low-energy photon source for high-resolution angle-resolved photoemission spectroscopy. Review of Scientific Instruments 83, 113103 (2012).

 

J.W. Harter, L. Maritato, D.E. Shai, E.J. Monkman, Y. Nie, D.G. Schlom, and K.M. Shen. Nodeless superconductivity arising from strong (p,p) antiferromagnetism in the infinite-layer electron-doped cuprate Sr1-xLaxCuO2. Physical Review Letters 109, 267001 (2012).

 

E.J. Monkman, C. Adamo, J.A. Mundy, D.E. Shai, J.W. Harter, D.W. Shen, B. Burganov, D.A. Muller, D.G. Schlom, and K.M. Shen. Quantum Many-Body Interactions in Digital Oxide Superlattices. Nature Materials 11, 855 (2012).

 

D.E. Shai, A.J. Melville, J.W. Harter, E.J. Monkman, D.W. Shen, A. Schmehl, D.G. Schlom, and K.M. Shen. Temperature Dependence of the Electronic Structure and Fermi Surface Reconstruction of Eu1-xGdxO through the Ferromagnetic Metal-Insulator Transition. Physical Review Letters 106, 267003 (2012).

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