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of 45
pro vyhledávání: '"MacDougall, Gregory J."'
Autor:
Cote, Alexandra, Slimak, J. Eddie, Sethi, Astha, Reig-i-Plessis, Dalmau, Zhang, Qiang, Zhao, Yang, Adroja, Devashibhai, Morris, Gerald, Kolodiazhnyi, Taras, Hallas, Alannah M., Lynn, Jeffrey W., Cooper, S. Lance, MacDougall, Gregory J.
The sesquioxide, Ce$_{2}$O$_{3}$, has been a material of intense interest in recent years due to reports of an anomalous giant magnetodielectric effect and emergent mixed crystal field-phonon (vibronic) excitations below a putative antiferromagnetic
Externí odkaz:
http://arxiv.org/abs/2303.11878
Autor:
Williams, Travis J., MacDougall, Gregory J., Riemer, Bernie W., Gallmeier, Franz X., Cruz, Clarina R. dela, Louca, Despina
Publikováno v:
Review of Scientific Instruments 94, 033908 (2023)
This manuscript outlines a concept that would leverage the existing proton accelerator at the Spallation Neutron Source of Oak Ridge National Laboratory to enable transformative science via one world-class facility serving two missions: Single Event
Externí odkaz:
http://arxiv.org/abs/2212.09823
Autor:
Lee, Sangjun, Huang, Edwin W., Johnson, Thomas A., Guo, Xuefei, Husain, Ali A., Mitrano, Matteo, Lu, Kennan, Zakrzewski, Alexander V., de la ñ, Gilberto, Peng, Yingying, Lee, Sang-Jun, Jang, Hoyoung, Lee, Jun-Sik, Joe, Young Il, Dorisese, William B., Szypryt, Paul, Swetz, Daniel S., Aczel, Adam A., Macdougall, Gregory J., Kivelson, Steven A., Fradkin, Eduardo, Abbamonte, Peter
Understanding the nature of charge density waves (CDW) in cuprate superconductors has been complicated by material specific differences. A striking example is the opposite doping dependence of the CDW ordering wavevector in La-based and Y-based compo
Externí odkaz:
http://arxiv.org/abs/2110.13991
Publikováno v:
Neutron News. 2022, 1 (2022)
The workshop titled "US Muon Workshop 2021: A road map for a future Muon Facility" was held virtually on February 1-2, 2021. The workshop aimed to bring together world experts in muon spectroscopy ($\mu$SR) and other techniques along with interested
Externí odkaz:
http://arxiv.org/abs/2110.09479
Autor:
Lu, Kannan, Sapkota, Deepak, DeBeer-Schmitt, Lisa, Wu, Yan, Cao, Huibo, Mannella, Norman, Mandrus, David, Aczel, Adam A., MacDougall, Gregory J.
The Dzyaloshinskii-Moriya (DM) interaction is present in the transition metal dichalcogenides (TMDC) magnets of form $M_{1/3}T$S$_{2}$ ($M$ $=$ 3d transition metal, $T$ $\in$ {Nb, Ta}), given that the intercalants $M$ form $\sqrt{3}\times\sqrt{3}$ su
Externí odkaz:
http://arxiv.org/abs/2003.10967
Autor:
Munoz, Alexander R., Kish, Lazar, Lu, Kannan, Heitmann, Thomas, MacDougall, Gregory J., Wagner, Lucas K.
Magnetic neutron scattering measures spin-spin correlations giving information about the long-range spin order as well as the shape of the spin density in magnetic materials. Similarly, detailed first principles calculations directly compute the spin
Externí odkaz:
http://arxiv.org/abs/2003.01183
Publikováno v:
Phys. Rev. B 99, 081118 (2019)
The spinel, MgTi$_2$O$_4$, undergoes a transition into a dimerized state at low temperatures that is expected to be a spin singlet. However, no signature of a singlet-triplet transition has been discovered, in part due to the difficulty of predicting
Externí odkaz:
http://arxiv.org/abs/1811.00969
Akademický článek
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Autor:
Thompson, Christie, Reig-i-Plessis, Dalmau, Kish, Lazar, Aczel, Adam A., Zhang, Biwen, Karapetrova, Evguenia, MacDougall, Gregory J., Beekman, Christianne
Publikováno v:
Phys. Rev. Materials 2, 104411 (2018)
We report on the epitaxial film growth and characterization of CoV$_2$O$_4$, a near-itinerant spinel vanadate, grown on (001) SrTiO$_3$. The symmetry lowering of the unit cell from cubic in the bulk to orthorhombic in the films results in dramatic di
Externí odkaz:
http://arxiv.org/abs/1805.01520
Autor:
Chen, Angela Q., Park, Moon Jip, Gill, Stephen T., Xiao, Yiran, MacDougall, Gregory J., Gilbert, Matthew J., Mason, Nadya
Unconventional superconductivity arising from the interplay between strong spin-orbit coupling and magnetism is an intensive area of research. One form of unconventional superconductivity arises when Cooper pairs subjected to a magnetic exchange coup
Externí odkaz:
http://arxiv.org/abs/1801.08504