Publications

2024

Thermodynamic Origin of Nonvolatility in Resistive Memory

Jingxian Li, Anirudh Appachar, Sabrina L. Peczonczyk, Elisa T. Harrison, Anton V. Ievlev, Ryan Hood, Dongjae Shin, Sangmin Yoo, Brianna Roest, Kai Sun, Karsten Bckmann, Olya Popova, Tony Chiang, William S. Wahby,  Robin B. Jacobs-Godrim, Matthew J. Marinella, Petro Maksymovych, John T. Heron, Nathaniel Cady, Wei D. Lu, Suhas Kumar, A. Alec Talin, Wenhao Sun, Yiyang Li; Matter. 26 August 2024; 7, 1-24; https://doi.org/10.1016/j.matt.2024.07.018

Perspective: Entropy-Stabilized Oxide Memristors

Sieun Chae, Sangmin Yoo, Emmanouil Kioupakis, Wei D. Lu, John T Heron; Appl. Phys. Lett. 12 August 2024; 125 (7); https://doi.org/10.1063/5.0216429

“Investigation of the Influence of Growth Conditions on the Local Structure in High Entropy Oxides Using S/TEM”

Sai Venkata Gayathri Ayyagari, Leixin Miao, Gabriela Niculescu, Matthew Webb, John Barber, John T. Heron, Christina M Rost, Nasim Alem; Microscopy and Microanalysis. 24 July 2024; 30 (1); https://doi.org/10.1093/mam/ozae044.663

“Achieving Semi-Metallic Conduction in Al-rich AlGaN: Evidence of Mott Transition“

Shubham Mondal, Pat Kezer, Ding Wang, Md Mehedi Hasan Tanim, John T. Heron, Zetian Mi; Appl. Phys. Lett. 10 June 2024; 124 (24); https://doi.org/10.1063/5.0210143

“Efficient Data Processing Using Tunable Entropy-Stabilized Oxide Memristors“

Sangmin Yoo, Sieun Chae, Tony Chiang, Matthew Webb, Tao Ma, Hanjong Paik, Yongmo Park, Logan Williams, Kazuki Nomoto, Huili G. Xing, Susan Troilier-McKinstry, Emmanouil Kiopakis, John T. Heron, Wei D. Lu; Nature Electronics. 20 May 2024; https://doi.org/10.1038/s41928-024-01169-1

2023

2022

“Scalable Synthesis of Monolayer Hexagonal Boron Nitride on Graphene with Giant Bandgap Renormalization“

Ping Wang, Woncheol Lee, Joseph P. Corbett, William H. Koll, Nguyen M. Vu, David Arto Laleyan, Qiannan Wen, Yuanpeng Wu, Ayush Pandey, Jiseok Gim, Ding Wang, Diana Y. Qiu, Robert Hovden, Mackillo Kira, John T. Heron, Jay A. Gupta, Emmanouil Kioupakis, Zetian Mi.  Advanced Materials (2022). https://doi.org/10.1002/adma.202201387

“Two-dimensional charge order stabilized in clean polytype heterostructures“

Suk Hyun Sung, Noah Schnitzer, Steve Novakov, Ismail El Baggari, Xiangpeng Luo, Jiseok Gim, Nguyen M. Vu, Zidong Li, Todd H. Brintlinger, Yu Liu, Wenjian Lu, Yuping Sun, Parag B. Deotare, Kai Sun, Liuyan Zhao, Lena F. Kourkoutis, John T. Heron & Robert Hovden. Nat Commun 13, 413 (2022). https://doi.org/10.1038/s41467-021-27947-5

2021

“Superconductivity in a quintuple-layer square-planar nickelate“

Grace A. Pan, Dan Ferenc Segedin, Harrison LaBollita, Qi Song, Emilian M. Nica, Berit H. Goodge, Andrew T. Pierce, Spencer Doyle, Steve Novakov, Denisse Córdova Carrizales, Alpha T. N’Diaye, Padraic Shafer, Hanjong Paik, John T. Heron, Jarad A. Mason, Amir Yacoby, Lena F. Kourkoutis, Onur Erten, Charles M. Brooks, Antia S. Botana & Julia A. Mundy. Nat. Mater. (2021). https://doi.org/10.1038/s41563-021-01142-9

“Magnetoelectrics and multiferroics: Materials and opportunities for energy-efficient spin-based memory and logic“

Heron, J.T., Chiang, T. MRS Bulletin (2021).https://doi.org/10.1557/s43577-021-00193-2

“A Narrowband Spintronic Terahertz Emitter Based on Magnetoelastic Heterostructures“

Shihao Zhuang, Peter B. Meisenheimer, John Heron, and Jia-Mian Hu. ACS Appl. Mater. Interfaces 2021. DOI: https://doi.org/10.1021/acsami.1c13461

“Interface Transparency and Rashba Spin Torque Enhancement in WSe₂ Heterostructures“

2020

“Multiferroic heterostructures for spintronics“

E. Gradauskaite,P. B. Meisenheimer, M. Muller, J. T. Heron, and M. Trassin. Phys. Sci. Rev. DOI:https://doi.org/10.1515/psr-2019-0072 (2020)

“Exploring the intrinsic limit of the charge-carrier-induced increase of the Curie temperature of Lu- and La-doped EuO thin films“

R. Held, T. Mairoser, A. Melville, J. A. Mundy, M. E. Holtz, D. Hodash, Z. Wang, J. T. Heron, S. T. Dacek, B. Holländer, D. A. Muller, and D. G. Schlom Phys. Rev. Materials 4, 100412 (2020)

“Property and cation valence engineering in entropy-stabilized oxide thin films“

G. N. Kotsonis, P. B. Meisenheimer, L. Miao, J. Roth, B. Wang, P. Shafer, R. Engel-Herbert, N. Alem, J. T. Heron, C. M. Rost, and J.P. Maria. Phys. Rev. Materials 4, 100401 (2020)

“Thermal conductivity of rutile germanium dioxide“

S. Chae, K. Mengle, R. Lu, A. Olvera, N. Sanders, J. Lee, P.F.P. Poudeu, J.T. Heron, E. Kioupakis. App. Phys. Lett. 117, 102106 (2020)

“Bulk-like dielectric and magnetic properties of sub 100 nm thick single crystal Cr₂O₃ films on an epitaxial oxide electrode“

N. M. Vu, X. Luo, S. Novakov, W. Jin, J. Nordlander, P. B. Meisenheimer, M. Trassin, L. Zhao, and J. T. Heron. Scientific Reports. 10, 14721 (2020)

“Epitaxial stabilization of rutile germanium oxide thin film by molecular beam epitaxy”

S. Chae, H. Paik, N.M Vu, E. Kioupakis, and J. T. Heron. App. Phys. Lett. 117, 072105 (2020)

“Oxides and the high entropy regime: A new mix for engineering physical properties” (2020)

P. B. Meisenheimer, and J. T. Heron. MRS Advances 1-18. doi:10.1557/adv.2020.295 (2020)

“Tunable magnetoelastic anisotropy in epitaxial (111) Tm₃Fe₅O₁₂ thin films” (2020)

N. Vu, P. B. Meisenheimer, and J. T. Heron. J. App. Phys. 127, 153905 (2020)

“Boron arsenide heterostructures: lattice-matched heterointerfaces and strain effects on band alignments and mobility” (2020)

K. Bushick, S. Chae, Z. Deng, J. T. Heron, and E. Kioupakis. Nature Comp. Mater. 6, 3 (2020)

2019

“Imaging uncompensated moments and exchange-biased emergent ferromagnetism in FeRh thin films” (2019)

I. Gray, G. M. Stiehl, J. T. Heron, A. B. Mei, D. G. Schlom, R. Ramesh, D. C. Ralph, and G. D. Fuchs. Phys. Rev. Materials 3, 124407 (2019)

“Magnetic frustration control through tunable stereochemically driven disorder in entropy-stabilized oxides” (2019)

P. B. Meisenheimer, L. D. Williams, S. H. Sung, J. Gim, P. Shafer, G. Kotsonis, J.-P. Maria, M. Trassin, R. Hovden, E. Kioupakis, & J. T. Heron. Phys. Rev. Materials 3, 104420 (2019)

“Spin Seebeck Imaging of Spin-Torque Switching in Antiferromagnetic $\mathrm{Pt}/\mathrm{NiO}$ Heterostructures” (2019)

I. Gray, T. Moriyama, N. Sivadas, G. M. Stiehl, J. T. Heron, R. Need, B. J. Kirby, D. H. Low, K. C. Nowack, D. G. Schlom, D. C. Ralph, T. Ono, and G. D. Fuchs. Phys. Rev. X 9, 041016 (2019)

“Rutile GeO₂: An ultrawide-band-gap semiconductor with ambipolar doping” (2019)

S. Chae, J. Lee, K. A. Mengle, J. T. Heron, & E. Kioupakis Appl. Phys. Lett. 114, 102104 (2019)

2018

“Unexpected termination switching and polarity compensation in ${\mathrm{LaAlO}}_3/{\mathrm{SrTiO}}_3$ heterostructures” (2018)

G. Singh-Bhalla, P. B. Rossen, G. K. Pálsson, M. Mecklenburg, T. Orvis, S. Das, Y.-L. Tang, J. S. Suresha, D. Yi, A. Dasgupta, D. Doenning, V. G. Ruiz, A. K. Yadav, M. Trassin, J. T. Heron, C. S. Fadley, R. Pentcheva, J. Ravichandran, and R. Ramesh. Phys. Rev. Materials 2, 112001(R) (2018)

“Point defects and dopants of boron arsenide from first-principles calculations: Donor compensation and doping asymmetry” (2018)

S. Chae, K. Mengle, J. T. Heron & E. Kioupakis Appl. Phys. Lett. 113, 212101 (2018)

“Electric and magnetic domains inverted by a magnetic field” (2018)

J. T. Heron & J. A. Mundy Nature 560, 435-436 (2018)

“Perspective: Magnetoelectric Switching in Thin Film Multiferroic Heterostructures” (2018)

P. B. Meisenheimer, S. Novakov, N. M. Vu, & J. T. Heron J. App. Phys  123, 240901 (2018).

“Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides” (2018)

S. Sivakumar*, E. Zwier*, P. B. Meisenheimer*, & J. T. Heron J. Vis. Exp. (135), e57746, (2018).

“Sustainable p-type copper selenide solar material with ultra-large absorption coefficient” (2018)

E. M. Chen, L. Williams, A. Olvera, C. Zhang, M. Zhang, G. Shi, J. T. Heron, L. Qi, L. J. Guo, E. Kioupakis, and P. F. P. Poudeu Chem. Sci. 65, 5(2018).

“Clocked Magnetostriction-Assisted Spintronic Device Design and Simulation” (2018)

R. Iraei, N. Kani, S. Dutta, D. E. Nikonov, S. Manipatruni, I. A. Young, J. T. Heron, and A. Naeemi IEEE Trans. Electronic Devices 65, 5(2018).

2017

“Hidden Magnetic States Emergent Under Electric Field, In A Room Temperature Composite Magnetoelectric Multiferroic” (2017)

J. D. Clarkson, I. Fina, Z. Q. Liu, Y. Lee, J. Kim, C. Frontera, K. Cordero, S. Wisotzki, F. Sanchez, J. Sort, S. L. Hsu, C. Ko, L. Aballe, M. Foerster, J. Wu, H. M. Christen, J. T. Heron, D. G. Schlom, S. Salahuddin, N. Kioussis, J. Fontcuberta, X. Marti & R. Ramesh Sci. Rep. 7, 15460(2017).

“Giant Enhancement of Exchange Coupling in Entropy-Stabilized Oxide Heterostructures” (2017)

P. B. Meisenheimer, T. J. Kratofil, J. T. Heron Sci. Rep. 7, 13344 (2017).

“Strain-Mediated Magnetization Reversal Through Spin-Transfer Torque” (2017)

N. Kani, J. T. Heron, A. Naeemi, IEEE Trans. Mag. 53, 11 (2017).

“Spin-Hall Torques Generated by Rare-Earth (Lanthanide) Thin Films” (2017)

N. Reynolds, P. Jadaun, J. T. Heron, Colin L. Jermain, Jonathan Gibbons, R. Collette, R. A. Buhrman, D. G. Schlom and D. C. Ralph, Phys. Rev. B. 95, 064412 (2017).

Earlier

“Atomically engineered ferroic layers yield a room-temperature magnetoelectric multiferroic” (2016)

Julia A. Mundy, Charles M. Brooks, Megan E. Holtz, Jarrett A. Moyer, Hena Das, Alejandro F. Rébola, John T. Heron, James D. Clarkson, Steven M. Disseler, Rainer Held, Robert Hovden, Elliot Padgett, Qingyun Mao, Hanjong Paik, Rajiv Misra, Lena F. Kourkoutis, Julie A. Borchers, William D. Ratcliff, Ramamoorthy Ramesh, Craig J. Fennie, Peter Schiffer, David A. Muller and Darrell G. Schlom, Nature 537, 523-527 (2016).

“High Dynamic Range Pixel Array Detector for Scanning Transmission Electron Microscopy” (2016)

M. W. Tate, P. Purohit, D. Chamberlain, K. X. Nguyen, R. M. Hovden, C. S. Chang, P. Deb, E. Turgut, J. T. Heron, D. G. Schlom, D. C. Ralph, G. D. Fuchs, K. S. Shanks, H. T. Philipp, D. A. Muller, and S. M. Gruner, Microsc. Microanal. (2016).

“Large resistivity modulation in mixed-phase metallic systems” (2015)

Yeonbae Lee^†, Z. Q. Liu^†, J. T. Heron, J. D. Clarkson, J. Hong, M. D. Biegalski, U. Aschauer, S. L. Hsu, C. Ko, M. E. Nowakowski, J. Wu, H. M. Christen, S. Salahuddin, J. B. Bokor, N. A. Spaldin, D. G. Schlom and R. Ramesh, Nature Comm. 6, 5959 (2015).

“Magnetic Structure and Ordering of Multiferroic Hexagonal
LuFeO3” (2015)

Steven M. Disseler, Julie A. Borchers, Charles M. Brooks, Julia A. Mundy, Jarrett A. Moyer, Daniel A. Hillsberry, Eric L. Thies, Dmitri A. Tenne, John Heron, Megan E. Holtz, James D. Clarkson, Gregory M. Stiehl, Peter Schiffer, David A. Muller, Darrell G. Schlom, and William D. Ratcliff, Phys. Rev. Lett. 114, 217602 (2015).

“Deterministic switching of ferromagnetism at room temperature using an electric field” (2014)

J. T. Heron, J. L. Bosse, Q. He, Y. Gao, M. Trassin, J. D. Clarkson, C. Wang, J. Liu, S. Salahuddin, D. C. Ralph, D. G. Schlom, J. Iniguez, B. D. Huey, and R. Ramesh, Nature 516, 370-373 (2014).

“Electric Field Control of Magnetism Using BiFeO₃-Based Heterostructures” (2014)

J. T. Heron, D. G. Schlom and R. Ramesh, Appl. Phys. Rev. 1, 021203 (2014).

“Intrinsic magnetic properties of hexagonal LuFeO₃ and the effects of nonstoichiometry” (2014)

J. A. Moyer, R. Misra, J. A. Mundy, C. M. Brooks, J. T. Heron, D. A. Muller, D. G. Schlom, and P. Schiffer, Appl. Phys. Lett. Mater. 2, 012106 (2014).

“Interfacial Coupling in Multiferroic-Ferromagnetic Heterostructures” (2013)

M. Trassin, J. D. Clarckson, S. R. Bowden, Jian Liu, J. T. Heron, R. Paull, E. Arenholz, D. T. Peirce and J. Unguris, Phys. Rev. B 87, 134426 (2011). (2013).

“Spin-orbit Mott-insulator phase with reduced lattice symmetry in Sr₂IrO₄ thin-films detected using x-ray absorption spectroscopy” (2013)

C. R. Serrao, J. Liu, J. T. Heron, G. Singh-Bhalla, A. Yadav, S. J. Suresha, R. J. Paull, Y. Di, J.-H. Chu, M. Trassin, A. Vishwanath, E. Arenholz, C. Frontera, J. Zelezny, T. Jungwirth, X. Marti and R. Ramesh, Phys. Rev. Lett. B 87, 085121 (2013).

“Electrochemical and Physical Properties of Ti-substituted Layered Nickel Manganese Cobalt Oxide (NMC) Cathode Materials” (2012)

K. C. Kam, A. Mehta, J. T. Heron and M. M. Doeff, J. Electrochem. Soc. 159 (8) A1-A10 (2012).

“Electric-field-induced magnetization reversal in a ferromagnet-multiferroic heterostructure” (2011)

J. T. Heron, M. Trassin, K. Ashraf, M. Gajek, Q. He, S. Y. Yang, D. E. Nikonov, Y.-H.
Chu, S. Salahuddin and R. Ramesh, Phys. Rev. Lett. 107, 217202 (2011).

“Microscopic origin of the giant ferroelectric polarization in tetragonal-like BiFeO₃” (2011)

J. X. Zhang, Q. He, M. Trassin, W. Luo, M. D. Rossell, P. Yu, C. H. Wang, C. Y. Kuo, J. T. Heron, Z. Hu, R. J. Zeches, H. J. Lin, A. Tanaka, C. T. Chen, L. H. Tjeng, Y.-H. Chu and R. Ramesh, Phys. Rev. Lett. 107, 147602 (2011).

“Electrically controllable spontaneous magnetism in nanoscale mixed phase multiferroics” (2011)

Q. He, Y.-H. Chu, J. T. Heron, S. Y. Yang, W. I. Liang, H. J. Lin, P. Yu, C. W. Liang, R. J. Zeches, W. C. Kuo, J. Y. Juang, C. T. Chen, E. Arenholz, A. Scholl and R. Ramesh, Nature Comm. 2, 225 (2011).

“Stoichiometric growth of high Curie temperature heavily alloyed GaMnAs” (2008)

S. Mack, R. C. Myers, J. T. Heron, A. C. Gossard, and D. D. Awschalom, Appl. Phys. Lett. 92, 192502 (2008).