Search Results - "Roman Engel‐Herbert"

Highly Conductive SrVO3 as a Bottom Electrode for Functional Perovskite Oxides by Moyer, Jarrett A., Eaton, Craig, Engel-Herbert, Roman

“…Stoichiometric SrVO3 thin films grown by hybrid molecular beam epitaxy are demonstrated, meeting the stringent requirements of an ideal bottom electrode…”
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Frontiers in the Growth of Complex Oxide Thin Films: Past, Present, and Future of Hybrid MBE by Brahlek, Matthew, Gupta, Arnab Sen, Lapano, Jason, Roth, Joseph, Zhang, Hai‐Tian, Zhang, Lei, Haislmaier, Ryan, Engel‐Herbert, Roman

“…Driven by an ever‐expanding interest in new material systems with new functionality, the growth of atomic‐scale electronic materials by molecular beam epitaxy…”
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In‐Operando Spatiotemporal Imaging of Coupled Film‐Substrate Elastodynamics During an Insulator‐to‐Metal Transition by Stone, Greg, Shi, Yin, Jerry, Matthew, Stoica, Vladimir, Paik, Hanjong, Cai, Zhonghou, Schlom, Darrell G., Engel‐Herbert, Roman, Datta, Suman, Wen, Haidan, Chen, Long‐Qing, Gopalan, Venkatraman

“…The drive toward non‐von Neumann device architectures has led to an intense focus on insulator‐to‐metal (IMT) and the converse metal‐to‐insulator (MIT)…”
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On‐Demand Nanoscale Manipulations of Correlated Oxide Phases by Schrecongost, Dustin, Aziziha, Mina, Zhang, Hai‐Tian, Tung, I‐Cheng, Tessmer, Joseph, Dai, Weitao, Wang, Qiang, Engel‐Herbert, Roman, Wen, Haidan, Picard, Yoosuf N., Cen, Cheng

“…Controlling material properties at the nanoscale is a critical enabler of high performance electronic and photonic devices. A prototypical material example is…”
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Stoichiometric Control and Optical Properties of BaTiO3 Thin Films Grown by Hybrid MBE by Fazlioglu‐Yalcin, Benazir, Suceava, Albert C., Kuznetsova, Tatiana, Wang, Ke, Gopalan, Venkatraman, Engel‐Herbert, Roman

“…BaTiO3 is a technologically relevant material in the perovskite oxide class with above‐room‐temperature ferroelectricity and a very large electro‐optical…”
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A steep-slope transistor based on abrupt electronic phase transition by Shukla, Nikhil, Thathachary, Arun V., Agrawal, Ashish, Paik, Hanjong, Aziz, Ahmedullah, Schlom, Darrell G., Gupta, Sumeet Kumar, Engel-Herbert, Roman, Datta, Suman

“…Collective interactions in functional materials can enable novel macroscopic properties like insulator-to-metal transitions. While implementing such materials…”
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Wafer-scale growth of VO2 thin films using a combinatorial approach by Zhang, Hai-Tian, Zhang, Lei, Mukherjee, Debangshu, Zheng, Yuan-Xia, Haislmaier, Ryan C., Alem, Nasim, Engel-Herbert, Roman

“…Transition metal oxides offer functional properties beyond conventional semiconductors. Bridging the gap between the fundamental research frontier in oxide…”
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The ReaxFF reactive force-field: development, applications and future directions by Senftle, Thomas P, Hong, Sungwook, Islam, Md Mahbubul, Kylasa, Sudhir B, Zheng, Yuanxia, Shin, Yun Kyung, Junkermeier, Chad, Engel-Herbert, Roman, Janik, Michael J, Aktulga, Hasan Metin, Verstraelen, Toon, Grama, Ananth, van Duin, Adri C T

“…The reactive force-field (ReaxFF) interatomic potential is a powerful computational tool for exploring, developing and optimizing material properties. Methods…”
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Changes of Magnetism in a Magnetic Insulator due to Proximity to a Topological Insulator by Liu, Tao, Kally, James, Pillsbury, Timothy, Liu, Chuanpu, Chang, Houchen, Ding, Jinjun, Cheng, Yang, Hilse, Maria, Engel-Herbert, Roman, Richardella, Anthony, Samarth, Nitin, Wu, Mingzhong

“…We report the modification of magnetism in a magnetic insulator Y3Fe5O12 thin film by topological surface states (TSS) in an adjacent topological insulator…”
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Growth of high-quality SrTiO3 films using a hybrid molecular beam epitaxy approach by Jalan, Bharat, Engel-Herbert, Roman, Wright, Nicholas J., Stemmer, Susanne

“…A hybrid molecular beam epitaxy approach for atomic-layer controlled growth of high-quality SrTiO3 films with scalable growth rates was developed. The approach…”
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Large‐Area Synthesis of Ferromagnetic Fe5−xGeTe2/Graphene van der Waals Heterostructures with Curie Temperature above Room Temperature by Lv, Hua, da Silva, Alessandra, Figueroa, Adriana I, Guillemard, Charles, Iván Fernández Aguirre, Camosi, Lorenzo, Aballe, Lucia, Valvidares, Manuel, Valenzuela, Sergio O, Schubert, Jürgen, Schmidbauer, Martin, Herfort, Jens, Hanke, Michael, Trampert, Achim, Roman Engel‐Herbert, Ramsteiner, Manfred, Lopes, Joao Marcelo J

“…Van der Waals (vdW) heterostructures combining layered ferromagnets and other 2D crystals are promising building blocks for the realization of ultracompact…”
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Growth of SrTiO3 on Si(001) by hybrid molecular beam epitaxy by Zhang, Lei, Engel-Herbert, Roman

“…We report the heteroepitaxial growth of SrTiO3 thin films on Si(001) by hybrid molecular beam epitaxy (hMBE). Here, elemental strontium and the metal‐organic…”
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Accessing a growth window for SrVO3 thin films by Brahlek, Matthew, Zhang, Lei, Eaton, Craig, Zhang, Hai-Tian, Engel-Herbert, Roman

“…Stoichiometric SrVO3 thin films were grown over a range of cation fluxes on (001) (La0.3Sr0.7)(Al0.65Ta0.35)O3 substrates using hybrid molecular beam epitaxy,…”
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Scaling growth rates for perovskite oxide virtual substrates on silicon by Lapano, Jason, Brahlek, Matthew, Zhang, Lei, Roth, Joseph, Pogrebnyakov, Alexej, Engel-Herbert, Roman

“…The availability of native substrates is a cornerstone in the development of microelectronic technologies relying on epitaxial films. If native substrates are…”
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Hidden transport phenomena in an ultraclean correlated metal by Brahlek, Matthew, Roth, Joseph D., Zhang, Lei, Briggeman, Megan, Irvin, Patrick, Lapano, Jason, Levy, Jeremy, Birol, Turan, Engel-Herbert, Roman

“…Advancements in materials synthesis have been key to unveil the quantum nature of electronic properties in solids by providing experimental reference points…”
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Transport properties of ultra-thin VO2 films on (001) TiO2 grown by reactive molecular-beam epitaxy by Paik, Hanjong, Moyer, Jarrett A., Spila, Timothy, Tashman, Joshua W., Mundy, Julia A., Freeman, Eugene, Shukla, Nikhil, Lapano, Jason M., Engel-Herbert, Roman, Zander, Willi, Schubert, Jürgen, Muller, David A., Datta, Suman, Schiffer, Peter, Schlom, Darrell G.

“…We report the growth of (001)-oriented VO2 films as thin as 1.5 nm with abrupt and reproducible metal-insulator transitions (MIT) without a capping layer…”
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Large-Area Synthesis of Ferromagnetic Fe 5- x GeTe 2 /Graphene van der Waals Heterostructures with Curie Temperature above Room Temperature by Lv, Hua, da Silva, Alessandra, Figueroa, Adriana I, Guillemard, Charles, Aguirre, Iván Fernández, Camosi, Lorenzo, Aballe, Lucia, Valvidares, Manuel, Valenzuela, Sergio O, Schubert, Jürgen, Schmidbauer, Martin, Herfort, Jens, Hanke, Michael, Trampert, Achim, Engel-Herbert, Roman, Ramsteiner, Manfred, Lopes, Joao Marcelo J

“…Van der Waals (vdW) heterostructures combining layered ferromagnets and other 2D crystals are promising building blocks for the realization of ultracompact…”
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Unleashing Strain Induced Ferroelectricity in Complex Oxide Thin Films via Precise Stoichiometry Control by Haislmaier, Ryan C., Grimley, Everett D., Biegalski, Michael D., LeBeau, James M., Trolier-McKinstry, Susan, Gopalan, Venkatraman, Engel-Herbert, Roman

“…Strain tuning has emerged as a powerful means to enhance properties and to induce otherwise unattainable phenomena in complex oxide films. However, by…”
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Imprinting of Local Metallic States into VO2 with Ultraviolet Light by Zhang, Hai-Tian, Guo, Lu, Stone, Greg, Zhang, Lei, Zheng, Yuan-Xia, Freeman, Eugene, Keefer, Derek W., Chaudhuri, Subhasis, Paik, Hanjong, Moyer, Jarrett A., Barth, Michael, Schlom, Darrell G., Badding, John V., Datta, Suman, Gopalan, Venkatraman, Engel-Herbert, Roman

“…Materials exhibiting electronic phase transitions have attracted widespread attention. By switching between metallic and insulating states under external…”
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Quantification of trap densities at dielectric/III-V semiconductor interfaces by Engel-Herbert, Roman, Hwang, Yoontae, Stemmer, Susanne

“…High-frequency capacitance-voltage curves for capacitors with high- k gate dielectrics and III-V semiconductor channels are modeled. The model takes into…”
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