Zobrazeno 1 - 10
of 161
pro vyhledávání: '"Gibbs, Alexandra S."'
Autor:
Daou, Ramzy, Hébert, Sylvie, Grissonnanche, Gaël, Hassinger, Elena, Taillefer, Louis, Taniguchi, Haruka, Maeno, Yoshiteru, Gibbs, Alexandra S., Mackenzie, Andrew P.
Publikováno v:
Phys. Rev. B 108, L121106 (2023)
Intuitive entropic interpretations of the thermoelectric effect in metals predict an isotropic Seebeck coefficient at high temperatures in the incoherent regime even in anisotropic metals since entropy is not directional. $\mathrm{Sr}_2\mathrm{Ru}\ma
Externí odkaz:
http://arxiv.org/abs/2309.01403
Autor:
Coates, Chloe S., Baise, Mia, Bulled, Johanthan M., Wolpert, Emma H., Makepeace, Joshua W., Walker, Helen C., Gibbs, Alexandra S., Fortes, A. Dominic, Slater, Ben, Goodwin, Andrew L.
We use a combination of variable-temperature / variable-pressure neutron powder diffraction, variable-pressure inelastic neutron scattering, and quantum chemical calculations to interrogate the behaviour of the negative thermal expansion (NTE) materi
Externí odkaz:
http://arxiv.org/abs/2302.09963
Autor:
Hirschmann, Moritz M., Gibbs, Alexandra S., Orlandi, Fabio, Khalyavin, Dmitry, Manuel, Pascal, Abdolazimi, Vahideh, Yaresko, Alexander, Nuss, Jürgen, Takagi, H., Schnyder, Andreas P., Rost, Andreas W.
The band topology of magnetic semimetals is of interest both from the fundamental science point of view and with respect to potential spintronics and memory applications. Unfortunately, only a handful of suitable topological semimetals with magnetic
Externí odkaz:
http://arxiv.org/abs/2207.12434
Autor:
Pughe, Charlotte E., Mustonen, Otto H. J., Gibbs, Alexandra S., Etter, Martin, Liu, Cheng, Dutton, Siân E., Friskney, Aidan, Hyatt, Neil C., Stenning, Gavin B. G., Mutch, Heather M., Coomer, Fiona C., Cussen, Edmund J.
Publikováno v:
Inorganic Chemistry 61, 4033-4045 (2022)
Remarkably, doping isovalent $d^{10}$ and $d^0$ cations onto the $B$'' site in $A_2B$'$B$''O$_6$ double perovskites has the power to direct the magnetic interactions between magnetic $B$' cations. This is due to changes in orbital hybridization, whic
Externí odkaz:
http://arxiv.org/abs/2108.02761
Autor:
Li, You-Sheng, Kikugawa, Naoki, Sokolov, Dmitry A., Jerzembeck, Fabian, Gibbs, Alexandra S., Maeno, Yoshiteru, Hicks, Clifford W., Schmalian, Jörg, Nicklas, Michael, Mackenzie, Andrew P.
Publikováno v:
PNAS 118, e2020492118 (2021)
A key question regarding the unconventional superconductivity of Sr$_2$RuO$_4$ remains whether the order parameter is single- or two-component. Under a hypothesis of two-component superconductivity, uniaxial pressure is expected to lift their degener
Externí odkaz:
http://arxiv.org/abs/2103.02295
Autor:
Abdeldaim, Aly H., Li, Teng, Farrar, Lewis, Tsirlin, Alexander A., Yao, Wenjiao, Gibbs, Alexandra S., Manuel, Pascal, Lightfoot, Philip, Nilsen, Gøran J., Clark, Lucy
We report the crystal structures and magnetic properties of two psuedo-polymorphs of the $S=1/2$ Ti$^{3+}$ coordination framework, KTi(C$_2$O$_4$)$_2\cdot$xH$_2$O. Single-crystal X-ray and powder neutron diffraction measurements on $\alpha$-KTi(C$_2$
Externí odkaz:
http://arxiv.org/abs/2009.03214
Autor:
Abdeldaim, Aly H., Badrtdinov, Danis I., Gibbs, Alexandra S., Manuel, Pascal, Walker, Helen C., Le, Manh Duc, Wu, Chien Hung, Wardecki, Dariusz, Eriksson, Sten-Gunnar, Kvashnin, Yaroslav O., Tsirlin, Alexander A., Nilsen, Gøran J.
We present an extensive experimental and theoretical study on the low-temperature magnetic properties of the monoclinic anhydrous alum compound BaMo(PO$_4$)$_2$. The magnetic susceptibility reveals strong antiferromagnetic interactions $\theta_{CW} =
Externí odkaz:
http://arxiv.org/abs/1912.03969
Autor:
Sun, Dan, Sokolov, Dmitry, Bartlett, Jack, Sannigrahi, Jhuma, Khim, Seunghyun, Kushwaha, Pallavi, Khalyavin, Dmitry D., Manuel, Pascal, Gibbs, Alexandra S., Mackenzie, Andrew P., Hicks, Clifford W.
Publikováno v:
Phys. Rev. B 100, 094414 (2019)
In the triangular layered magnet PdCrO2 the intralayer magnetic interactions are strong, however the lattice structure frustrates interlayer interactions. In spite of this, long-range, 120$^\circ$ antiferromagnetic order condenses at $T_N = 38$~K. We
Externí odkaz:
http://arxiv.org/abs/1904.11933
Autor:
Watson, Christopher A., Gibbs, Alexandra S., Mackenzie, Andrew P., Hicks, Clifford W., Moler, Kathryn A.
Publikováno v:
Phys. Rev. B 98, 094521 (2018)
Strontium ruthenate (Sr$_2$RuO$_4$) is a multiband superconductor that displays evidence of topological superconductivity, although a model of the order parameter that is consistent with all experiments remains elusive. We integrated a piezoelectric-
Externí odkaz:
http://arxiv.org/abs/1807.07197
Autor:
Macdougal, David, Gibbs, Alexandra S., Ying, Tao, Wessel, Stefan, Walker, Helen C., Voneshen, David, Mila, Frederic, Takagi, Hidenori, Coldea, Radu
Publikováno v:
Phys. Rev. B 98, 174410 (2018)
We report inelastic neutron scattering measurements of the magnetic excitations in Ba2CuTeO6, proposed by ab initio calculations to magnetically realize weakly coupled antiferromagnetic two-leg spin-1/2 ladders. Isolated ladders are expected to have
Externí odkaz:
http://arxiv.org/abs/1806.04052