Zobrazeno 1 - 10
of 648
pro vyhledávání: '"Trump, B."'
Publikováno v:
In Ceramics International 1 June 2024 50(11) Part A:19308-19324
Autor:
Luo, Yi, Marcus, G. G., Trump, B. A., Kindervater, J., Stone, M. B., Rodriguez-Rivera, J. A., Qiu, Yiming, McQueen, T. M., Tchernyshyov, O., Broholm, C.
Publikováno v:
Phys. Rev. B 101, 144411 (2020)
We report a comprehensive neutron scattering study of low energy magnetic excitations in the breathing pyrochlore helimagnetic $\text{Cu}_2\text{OSeO}_3$. Fully documenting the four lowest energy magnetic modes that leave the ferrimagnetic configurat
Externí odkaz:
http://arxiv.org/abs/2002.06283
Autor:
Prasai, N., Akopyan, A., Trump, B. A., Marcus, G. G., Huang, S. X., McQueen, T. M., Cohn, J. L.
We report studies of thermal conductivity as functions of magnetic field and temperature in the helimagnetic insulator Cu$_2$OSeO$_3$ that reveal novel features of the spin-phase transitions as probed by magnon heat conduction. The tilted conical spi
Externí odkaz:
http://arxiv.org/abs/1901.01242
Akademický článek
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Autor:
Pasco, C. M., Trump, B. A., Tran, Thao T., Kelly, Z. A., Hoffmann, C., Heinmaa, I., Stern, R., McQueen, T. M.
Publikováno v:
Phys. Rev. Materials 2, 044406 (2018)
Synthetic barlowite, Cu4(OH)6BrF, has emerged as a new quantum spin liquid (QSL) host, containing kagome layers of S=1/2 Cu2+ ions separated by interlayer Cu2+ ions. Similar to synthetic herbertsmithite, ZnCu3(OH)6Cl2, it has been reported that Zn2+
Externí odkaz:
http://arxiv.org/abs/1801.05769
Autor:
Prasai, N., Trump, B. A., Marcus, G. G., Akopyan, A., Huang, S. X., McQueen, T. M., Cohn, J. L.
We report on the observation of magnon thermal conductivity $\kappa_m\sim$ 70 W/mK near 5 K in the helimagnetic insulator Cu$_2$OSeO$_3$, exceeding that measured in any other ferromagnet by almost two orders of magnitude. Ballistic, boundary-limited
Externí odkaz:
http://arxiv.org/abs/1705.06328
Autor:
Laurita, N. J., Marcus, G. G., Trump, B. A., Kindervater, J., Stone, M. B., McQueen, T. M., Broholm, C. L., Armitage, N. P.
Publikováno v:
Phys. Rev. B 95, 235155 (2017)
In this work, we present a comprehensive study of the low energy optical magnetic response of the skyrmionic Mott insulator Cu$_2$OSeO$_3$ via high resolution time-domain THz spectroscopy. In zero field, a new magnetic excitation not predicted by spi
Externí odkaz:
http://arxiv.org/abs/1704.04228
Publikováno v:
Phys. Rev. B 95, 094407 (2017)
A series of Yb2Ti2O7 doped samples demonstrates the effects of off-stoichiometry on Yb2Ti2O7's structure, properties, and magnetic ground state via x-ray diffraction, specific heat, and magnetization measurements. A stoichiometric single crystal of Y
Externí odkaz:
http://arxiv.org/abs/1701.08821
Insulating Nb$_3$Cl$_8$ is a layered chloride consisting of two-dimensional triangular layers of $S_{eff}$ = 1/2 Nb$_3$Cl$_{13}$ clusters at room temperature. Magnetic susceptibility measurement show a sharp, hysteretic drop to a temperature independ
Externí odkaz:
http://arxiv.org/abs/1701.05528