Search Results - "Evans, Paul G."

Direct oriented growth of armchair graphene nanoribbons on germanium by Jacobberger, Robert M., Kiraly, Brian, Fortin-Deschenes, Matthieu, Levesque, Pierre L., McElhinny, Kyle M., Brady, Gerald J., Rojas Delgado, Richard, Singha Roy, Susmit, Mannix, Andrew, Lagally, Max G., Evans, Paul G., Desjardins, Patrick, Martel, Richard, Hersam, Mark C., Guisinger, Nathan P., Arnold, Michael S.

“…Graphene can be transformed from a semimetal into a semiconductor if it is confined into nanoribbons narrower than 10 nm with controlled crystallographic…”
Get full text

Giant electric field-induced second harmonic generation in polar skyrmions by Wang, Sixu, Li, Wei, Deng, Chenguang, Hong, Zijian, Gao, Han-Bin, Li, Xiaolong, Gu, Yueliang, Zheng, Qiang, Wu, Yongjun, Evans, Paul G., Li, Jing-Feng, Nan, Ce-Wen, Li, Qian

“…Electric field-induced second harmonic generation allows electrically controlling nonlinear light-matter interactions crucial for emerging integrated photonics…”
Get full text

Photoinduced Domain Pattern Transformation in Ferroelectric-Dielectric Superlattices by Ahn, Youngjun, Park, Joonkyu, Pateras, Anastasios, Rich, Matthew B, Zhang, Qingteng, Chen, Pice, Yusuf, Mohammed H, Wen, Haidan, Dawber, Matthew, Evans, Paul G

“…The nanodomain pattern in ferroelectric-dielectric superlattices transforms to a uniform polarization state under above-band-gap optical excitation. X-ray…”
Get full text

Structural Evidence for Ultrafast Polarization Rotation in Ferroelectric/Dielectric Superlattice Nanodomains by Lee, Hyeon Jun, Ahn, Youngjun, Marks, Samuel D., Landahl, Eric C., Zhuang, Shihao, Yusuf, M. Humed, Dawber, Matthew, Lee, Jun Young, Kim, Tae Yeon, Unithrattil, Sanjith, Chun, Sae Hwan, Kim, Sunam, Eom, Intae, Park, Sang-Yeon, Kim, Kyung Sook, Lee, Sooheyong, Jo, Ji Young, Hu, Jiamian, Evans, Paul G.

“…Weakly coupled ferroelectric/dielectric superlattice thin-film heterostructures exhibit complex nanoscale polarization configurations that arise from a balance…”
Get full text

Optical transient grating pumped X-ray diffraction microscopy for studying mesoscale structural dynamics by Frazer, Travis D., Zhu, Yi, Cai, Zhonghou, Walko, Donald A., Adamo, Carolina, Schlom, Darrell G., Fullerton, Eric E., Evans, Paul G., Hruszkewycz, Stephan O., Cao, Yue, Wen, Haidan

“…A fundamental understanding of materials’ structural dynamics, with fine spatial and temporal control, underpins future developments in electronic and quantum…”
Get full text

Giant optical enhancement of strain gradient in ferroelectric BiFeO3 thin films and its physical origin by Li, Yuelin, Adamo, Carolina, Chen, Pice, Evans, Paul G., Nakhmanson, Serge M., Parker, William, Rowland, Clare E., Schaller, Richard D., Schlom, Darrell G., Walko, Donald A., Wen, Haidan, Zhang, Qingteng

“…Through mapping of the spatiotemporal strain profile in ferroelectric BiFeO 3 epitaxial thin films, we report an optically initiated dynamic enhancement of the…”
Get full text

Optically Reconfigurable Monolayer of Azobenzene Donor Molecules on Oxide Surfaces by McElhinny, Kyle M, Huang, Peishen, Joo, Yongho, Kanimozhi, Catherine, Lakkham, Arunee, Sakurai, Kenji, Evans, Paul G, Gopalan, Padma

“…The structural configuration of molecules assembled at organic–inorganic interfaces within electronic materials strongly influences the functional electronic…”
Get full text

Electron mobility enhancement in ZnO thin films via surface modification by carboxylic acids by Spalenka, Josef W., Gopalan, Padma, Katz, Howard E., Evans, Paul G.

“…Modifying the surface of polycrystalline ZnO films using a monolayer of organic molecules with carboxylic acid attachment groups increases the field-effect…”
Get full text

MOCVD of InGaN on ScAlMgO4 on Al2O3 Substrates with Improved Surface Morphology and Crystallinity by Wang, Guangying, Li, Yuting, Kirch, Jeremy, Han, Yizhou, Chen, Jiahao, Marks, Samuel, Mukhopadhyay, Swarnav, Liu, Rui, Liu, Cheng, Evans, Paul G., Pasayat, Shubhra S.

“…ScAlMgO4 (SAM) is a promising substrate material for group III-nitride semiconductors. SAM has a lower lattice mismatch with III-nitride materials compared to…”
Get full text

Electronic transport in nanometre-scale silicon-on-insulator membranes by Lagally, Max G, Zhang, Pengpeng, Tevaarwerk, Emma, Park, Byoung-Nam, Savage, Donald E, Celler, George K, Knezevic, Irena, Evans, Paul G, Eriksson, Mark A

“…The widely used 'silicon-on-insulator' (SOI) system consists of a layer of single-crystalline silicon supported on a silicon dioxide substrate. When this…”
Get full text

Searching for a route to synthesize in situ epitaxial Pr2Ir2O7 thin films with thermodynamic methods by Guo, Lu, Shang, Shun-Li, Campbell, Neil, Evans, Paul G., Rzchowski, Mark, Liu, Zi-Kui, Eom, Chang-Beom

“…In situ growth of pyrochlore iridate thin films has been a long-standing challenge due to the low reactivity of Ir at low temperatures and the vaporization of…”
Get full text

Ultrafast Bragg coherent diffraction imaging of epitaxial thin films using deep complex-valued neural networks by Yu, Xi, Wu, Longlong, Lin, Yuewei, Diao, Jiecheng, Liu, Jialun, Hallmann, Jörg, Boesenberg, Ulrike, Lu, Wei, Möller, Johannes, Scholz, Markus, Zozulya, Alexey, Madsen, Anders, Assefa, Tadesse, Bozin, Emil S., Cao, Yue, You, Hoydoo, Sheyfer, Dina, Rosenkranz, Stephan, Marks, Samuel D., Evans, Paul G., Keen, David A., He, Xi, Božović, Ivan, Dean, Mark P. M., Yoo, Shinjae, Robinson, Ian K.

“…Domain wall structures form spontaneously due to epitaxial misfit during thin film growth. Imaging the dynamics of domains and domain walls at ultrafast…”
Get full text

Edge-induced flattening in the fabrication of ultrathin freestanding crystalline silicon sheets by Gopalakrishnan, Gokul, Czaplewski, David A., McElhinny, Kyle M., Holt, Martin V., Silva-Martínez, Juan C., Evans, Paul G.

“…Silicon nanomembranes are suspended single-crystal sheets of silicon, tens of nanometers thick, with areas in the thousands of square micrometers. Challenges…”
Get full text

Low-temperature nanoscale heat transport in a gadolinium iron garnet heterostructure probed by ultrafast x-ray diffraction by Sri Gyan, Deepankar, Mannix, Danny, Carbone, Dina, Sumpter, James L., Geprägs, Stephan, Dietlein, Maxim, Gross, Rudolf, Jurgilaitis, Andrius, Pham, Van-Thai, Coudert-Alteirac, Hélène, Larsson, Jörgen, Haskel, Daniel, Strempfer, Jörg, Evans, Paul G.

“…Time-resolved x-ray diffraction has been used to measure the low-temperature thermal transport properties of a Pt/Gd3Fe5O12//Gd3Ga5O12 metal/oxide…”
Get full text

Nonlinear piezoelectricity in epitaxial ferroelectrics at high electric fields by Grigoriev, Alexei, Sichel, Rebecca, Lee, Ho Nyung, Landahl, Eric C, Adams, Bernhard, Dufresne, Eric M, Evans, Paul G

“…Nonlinear effects in the coupling of polarization with elastic strain have been predicted to occur in ferroelectric materials subjected to high electric…”
Get full text

Structural visualization of polarization fatigue in epitaxial ferroelectric oxide devices by Evans, Paul G, Do, Dal-Hyun, Isaacs, Eric D, Kim, Dong Min, Eom, Chang Beom, Dufresne, Eric M

“…Ferroelectric oxides, such as Pb(Zr,Ti)O3, are useful for electronic and photonic devices because of their ability to retain two stable polarization states,…”
Get full text

Subterahertz collective dynamics of polar vortices by Li, Qian, Stoica, Vladimir A., Paściak, Marek, Zhu, Yi, Yuan, Yakun, Yang, Tiannan, McCarter, Margaret R., Das, Sujit, Yadav, Ajay K., Park, Suji, Dai, Cheng, Lee, Hyeon Jun, Ahn, Youngjun, Marks, Samuel D., Yu, Shukai, Kadlec, Christelle, Sato, Takahiro, Hoffmann, Matthias C., Chollet, Matthieu, Kozina, Michael E., Nelson, Silke, Zhu, Diling, Walko, Donald A., Lindenberg, Aaron M., Evans, Paul G., Chen, Long-Qing, Ramesh, Ramamoorthy, Martin, Lane W., Gopalan, Venkatraman, Freeland, John W., Hlinka, Jirka, Wen, Haidan

“…The collective dynamics of topological structures 1 – 6 are of interest from both fundamental and applied perspectives. For example, studies of dynamical…”
Get full text

Localized excited charge carriers generate ultrafast inhomogeneous strain in the multiferroic BiFeO3 by Schick, Daniel, Herzog, Marc, Wen, Haidan, Chen, Pice, Adamo, Carolina, Gaal, Peter, Schlom, Darrell G, Evans, Paul G, Li, Yuelin, Bargheer, Matias

“…We apply ultrafast x-ray diffraction with femtosecond temporal resolution to monitor the lattice dynamics in a thin film of multiferroic BiFeO3 after…”
Get full text

Evaluation of Volatility and Thermal Stability in Monomeric and Dimeric Lanthanide(III) Complexes Containing Enaminolate Ligands by Jayakodiarachchi, Navoda, Evans, Paul G, Ward, Cassandra L, Winter, Charles H

“…Treatment of 3 equiv of the potassium salts derived from the β-amino ketones 1-(dimethylamino)-3,3-dimethylbutan-2-one (L1H),…”
Get full text

Ultrafast Switching of Interfacial Thermal Conductance by Ahn, Youngjun, Zhang, Jiawei, Chu, Zhaodong, Walko, Donald A., Hruszkewycz, Stephan O., Fullerton, Eric E., Evans, Paul G., Wen, Haidan

“…Dynamical control of thermal transport at the nanoscale provides a time-domain strategy for optimizing thermal management in nanoelectronics, magnetic devices,…”
Get full text