Search Results - "Efthimios Kaxiras"

Electronic-structure methods for twisted moiré layers by Carr, Stephen, Fang, Shiang, Kaxiras, Efthimios

“…When single layers of 2D materials are stacked on top of one another with a small twist in orientation, the resulting structure often involves incommensurate…”
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Topological flat bands in frustrated kagome lattice CoSn by Kang, Mingu, Fang, Shiang, Ye, Linda, Po, Hoi Chun, Denlinger, Jonathan, Jozwiak, Chris, Bostwick, Aaron, Rotenberg, Eli, Kaxiras, Efthimios, Checkelsky, Joseph G., Comin, Riccardo

“…Electronic flat bands in momentum space, arising from strong localization of electrons in real space, are an ideal stage to realize strongly-correlated…”
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Twisted Trilayer Graphene: A Precisely Tunable Platform for Correlated Electrons by Zhu, Ziyan, Carr, Stephen, Massatt, Daniel, Luskin, Mitchell, Kaxiras, Efthimios

“…We introduce twisted trilayer graphene (tTLG) with two independent twist angles as an ideal system for the precise tuning of the electronic interlayer coupling…”
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Exact continuum model for low-energy electronic states of twisted bilayer graphene by Carr, Stephen, Fang, Shiang, Zhu, Ziyan, Kaxiras, Efthimios

“…We introduce a complete physical model for the single-particle electronic structure of twisted bilayer graphene (TBLG), which incorporates the crucial role of…”
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Atomic and electronic reconstruction at the van der Waals interface in twisted bilayer graphene by Yoo, Hyobin, Engelke, Rebecca, Carr, Stephen, Fang, Shiang, Zhang, Kuan, Cazeaux, Paul, Sung, Suk Hyun, Hovden, Robert, Tsen, Adam W., Taniguchi, Takashi, Watanabe, Kenji, Yi, Gyu-Chul, Kim, Miyoung, Luskin, Mitchell, Tadmor, Ellad B., Kaxiras, Efthimios, Kim, Philip

“…Control of the interlayer twist angle in two-dimensional van der Waals (vdW) heterostructures enables one to engineer a quasiperiodic moiré superlattice of…”
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Dirac fermions and flat bands in the ideal kagome metal FeSn by Kang, Mingu, Ye, Linda, Fang, Shiang, You, Jhih-Shih, Levitan, Abe, Han, Minyong, Facio, Jorge I., Jozwiak, Chris, Bostwick, Aaron, Rotenberg, Eli, Chan, Mun K., McDonald, Ross D., Graf, David, Kaznatcheev, Konstantine, Vescovo, Elio, Bell, David C., Kaxiras, Efthimios, van den Brink, Jeroen, Richter, Manuel, Prasad Ghimire, Madhav, Checkelsky, Joseph G., Comin, Riccardo

“…A kagome lattice of 3 d transition metal ions is a versatile platform for correlated topological phases hosting symmetry-protected electronic excitations and…”
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Ultraheavy and Ultrarelativistic Dirac Quasiparticles in Sandwiched Graphenes by Carr, Stephen, Li, Chenyuan, Zhu, Ziyan, Kaxiras, Efthimios, Sachdev, Subir, Kruchkov, Alexander

“…Electrons in quantum materials exhibiting coexistence of dispersionless (flat) bands piercing dispersive (steep) bands give rise to strongly correlated…”
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Twofold van Hove singularity and origin of charge order in topological kagome superconductor CsV3Sb5 by Kang, Mingu, Fang, Shiang, Kim, Jeong-Kyu, Ortiz, Brenden R., Ryu, Sae Hee, Kim, Jimin, Yoo, Jonggyu, Sangiovanni, Giorgio, Di Sante, Domenico, Park, Byeong-Gyu, Jozwiak, Chris, Bostwick, Aaron, Rotenberg, Eli, Kaxiras, Efthimios, Wilson, Stephen D., Park, Jae-Hoon, Comin, Riccardo

“…The layered vanadium antimonides AV 3 Sb 5 (A = K, Rb, Cs) are a recently discovered family of topological kagome metals that exhibit a range of strongly…”
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Adsorption and Diffusion of Lithium on Layered Silicon for Li-Ion Storage by Tritsaris, Georgios A, Kaxiras, Efthimios, Meng, Sheng, Wang, Enge

“…The energy density of Li-ion batteries depends critically on the specific charge capacity of the constituent electrodes. Silicene, the silicon analogue to…”
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Evidence of two-dimensional flat band at the surface of antiferromagnetic kagome metal FeSn by Han, Minyong, Inoue, Hisashi, Fang, Shiang, John, Caolan, Ye, Linda, Chan, Mun K., Graf, David, Suzuki, Takehito, Ghimire, Madhav Prasad, Cho, Won Joon, Kaxiras, Efthimios, Checkelsky, Joseph G.

“…The kagome lattice has long been regarded as a theoretical framework that connects lattice geometry to unusual singularities in electronic structure…”
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Enhancement of interlayer exchange in an ultrathin two-dimensional magnet by Klein, Dahlia R., MacNeill, David, Song, Qian, Larson, Daniel T., Fang, Shiang, Xu, Mingyu, Ribeiro, R. A., Canfield, P. C., Kaxiras, Efthimios, Comin, Riccardo, Jarillo-Herrero, Pablo

“…Following the recent isolation of monolayer CrI 3 (ref. 1 ), many more two-dimensional van der Waals magnetic materials have been isolated 2 – 12 . Their…”
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Electron and Hole Dynamics in Dye-Sensitized Solar Cells: Influencing Factors and Systematic Trends by Meng, Sheng, Kaxiras, Efthimios

“…We investigate electron and hole dynamics upon photon excitation in dye-sensitized solar cells, using a recently developed method based on real-time evolution…”
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In situ nanoscale imaging of moiré superlattices in twisted van der Waals heterostructures by Luo, Yue, Engelke, Rebecca, Mattheakis, Marios, Tamagnone, Michele, Carr, Stephen, Watanabe, Kenji, Taniguchi, Takashi, Kaxiras, Efthimios, Kim, Philip, Wilson, William L.

“…Direct visualization of nanometer-scale properties of moiré superlattices in van der Waals heterostructure devices is a critically needed diagnostic tool for…”
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Atomic electrostatic maps of 1D channels in 2D semiconductors using 4D scanning transmission electron microscopy by Fang, Shiang, Wen, Yi, Allen, Christopher S., Ophus, Colin, Han, Grace G. D., Kirkland, Angus I., Kaxiras, Efthimios, Warner, Jamie H.

“…Defects in materials give rise to fluctuations in electrostatic fields that reflect the local charge density, but imaging this with single atom sensitivity is…”
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Moiré metrology of energy landscapes in van der Waals heterostructures by Halbertal, Dorri, Finney, Nathan R., Sunku, Sai S., Kerelsky, Alexander, Rubio-Verdú, Carmen, Shabani, Sara, Xian, Lede, Carr, Stephen, Chen, Shaowen, Zhang, Charles, Wang, Lei, Gonzalez-Acevedo, Derick, McLeod, Alexander S., Rhodes, Daniel, Watanabe, Kenji, Taniguchi, Takashi, Kaxiras, Efthimios, Dean, Cory R., Hone, James C., Pasupathy, Abhay N., Kennes, Dante M., Rubio, Angel, Basov, D. N.

“…The emerging field of twistronics, which harnesses the twist angle between two-dimensional materials, represents a promising route for the design of quantum…”
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Electrically Driven Tuning of the Dielectric Constant in MoS2 Layers by Santos, Elton J. G, Kaxiras, Efthimios

“…The properties of two-dimensional materials, such as molybdenum disulfide, will play an important role in the design of the next generation of electronic…”
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Enhancing the Hydrogen Activation Reactivity of Nonprecious Metal Substrates via Confined Catalysis Underneath Graphene by Zhou, Yinong, Chen, Wei, Cui, Ping, Zeng, Jiang, Lin, Zhuonan, Kaxiras, Efthimios, Zhang, Zhenyu

“…In the hydrogen evolution reaction (HER), the reactivity as a function of the hydrogen adsorption energy on different metal substrates follows a well-known…”
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Observation of the nonlinear Hall effect under time-reversal-symmetric conditions by Ma, Qiong, Xu, Su-Yang, Shen, Huitao, MacNeill, David, Fatemi, Valla, Chang, Tay-Rong, Mier Valdivia, Andrés M., Wu, Sanfeng, Du, Zongzheng, Hsu, Chuang-Han, Fang, Shiang, Gibson, Quinn D., Watanabe, Kenji, Taniguchi, Takashi, Cava, Robert J., Kaxiras, Efthimios, Lu, Hai-Zhou, Lin, Hsin, Fu, Liang, Gedik, Nuh, Jarillo-Herrero, Pablo

“…The electrical Hall effect is the production, upon the application of an electric field, of a transverse voltage under an out-of-plane magnetic field. Studies…”
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Electric-Field Dependence of the Effective Dielectric Constant in Graphene by Santos, Elton J. G, Kaxiras, Efthimios

“…The dielectric constant of a material is one of the fundamental features used to characterize its electrostatic properties such as capacitance, charge…”
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Heterointerface effects in the electrointercalation of van der Waals heterostructures by Bediako, D. Kwabena, Rezaee, Mehdi, Yoo, Hyobin, Larson, Daniel T., Zhao, S. Y. Frank, Taniguchi, Takashi, Watanabe, Kenji, Brower-Thomas, Tina L., Kaxiras, Efthimios, Kim, Philip

“…Molecular-scale manipulation of electronic and ionic charge accumulation in materials is the backbone of electrochemical energy storage 1 – 4 . Layered van der…”
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