Zobrazeno 1 - 10
of 699
pro vyhledávání: '"Fennell, T."'
Autor:
Nagl, J., Flavián, D., Hayashida, S., Povarov, K. Yu., Yan, M., Murai, N., Ohira-Kawamura, S., Simutis, G., Hicken, T. J., Luetkens, H., Baines, C., Hauspurg, A., Schwarze, B. V., Husstedt, F., Pomjakushin, V., Fennell, T., Yan, Z., Gvasaliya, S., Zheludev, A.
We present a thorough experimental investigation on single crystals of the rare-earth based frustrated quantum antiferromagnet Pr$_3$BWO$_9$, a purported spin-liquid candidate on the breathing kagome lattice. This material possesses a disordered grou
Externí odkaz:
http://arxiv.org/abs/2402.14107
Disorder in materials may be used to tune their functionalities, but much more strikingly, its presence can entail entirely new behavior. This happens in charge-ice where structural disorder is not weak and local, but strong and long-range correlated
Externí odkaz:
http://arxiv.org/abs/2311.05004
Autor:
Berry, T., Morano, V. C., Halloran, T., Zhang, X., Slade, T. J., Sapkota, A., Budko, S. L., Xie, W., Ryan, D. H., Xu, Z., Zhao, Y., Lynn, J. W., Fennell, T., Canfield, P. C., Broholm, C. L., McQueen, T. M.
The appearance of spontaneous charge order in chemical systems is often associated with the emergence of novel, and useful, properties. Here we show through single crystal diffraction that the Eu ions in the mixed valent metal EuPd$_3$S$_4$ undergo l
Externí odkaz:
http://arxiv.org/abs/2303.02218
Autor:
Flavián, D., Nagl, J., Hayashida, S., Yan, M., Zaharko, O., Fennell, T., Khalyavin, D., Yan, Z., Gvasaliya, S., Zheludev, A.
The highly-frustrated rare-earth based magnet Nd$_3$BWO$_9$ is a promising candidate in the search for proximate spin liquid physics. We present a thorough investigation on single crystals of this material using bulk and microscopic techniques. Magne
Externí odkaz:
http://arxiv.org/abs/2301.05555
Autor:
Stock, C., Roessli, B., Gehring, P. M., Rodriguez-Rivera, J. A., Giles-Donovan, N., Cochran, S., Xu, G., Manuel, P., Gutmann, M. J., Ratcliff, W. D., Fennell, T., Su, Y., Li, X., Luo, H.
Publikováno v:
Phys. Rev. B 106, 144207 (2022)
PbFe$_{1/2}$Nb$_{1/2}$O$_{3}$ (PFN) is a relaxor ferroelectric (T$_{c}$ $\sim$ 400 K) consisting of disordered magnetic Fe$^{3+}$ (S=${5\over2}$, L$\approx$0) ions resulting in a low temperature ``cluster glass" phase (W. Kleemann $\textit{et al.}$ P
Externí odkaz:
http://arxiv.org/abs/2210.15706
Publikováno v:
Physical Review Letters 129, 127201 (2022)
CrBr$_3$ is an excellent realization of the two-dimensional honeycomb ferromagnet, which offers a bosonic equivalent of graphene with Dirac magnons and topological character. We perform inelastic neutron scattering (INS) measurements using state-of-t
Externí odkaz:
http://arxiv.org/abs/2204.11355
Autor:
Turrini, A. A., Harman-Clarke, A., Fennell, T., Wood, I. G., Henelius, P., Bramwell, S. T., Holdsworth, P. C. W.
We present a comprehensive experimental and theoretical study of the kagome ice Coulomb phase, that explores the fine tuning of critical correlations by applied field, temperature and crystal orientation. The continuous modification of algebraic corr
Externí odkaz:
http://arxiv.org/abs/2102.06546
Autor:
Wawrzyńczak, R., Tomasello, B., Manuel, P., Khalyavin, D., Le, M. D., Guidi, T., Cervellino, A., Ziman, T., Boehm, M., Nilsen, G. J., Fennell, T.
Publikováno v:
Phys. Rev. B 100, 094442 (2019)
Terbium gallium garnet (TGG), Tb$_3$Ga$_5$O$_{12}$, is well known for its applications in laser optics, but also exhibits complex low-temperature magnetism that is not yet fully understood. Its low-temperature magnetic order is determined by means of
Externí odkaz:
http://arxiv.org/abs/1910.08570
Autor:
Guratinder, K., Rau, Jeffrey G., Tsurkan, V., Ritter, C., Embs, J., Fennell, T., Walker, H. C., Medarde, M., Shang, T., Cervellino, A., Rüegg, Ch., Zaharko, O.
Publikováno v:
Phys. Rev. B 100, 094420 (2019)
We study magnetic behaviour of the Yb$^{3+}$ ions on a frustrated pyrochlore lattice in the spinel {\CYS}. The crystal-electric field parameters deduced from high-energy inelastic neutron scattering reveal well-isolated ytterbium ground state doublet
Externí odkaz:
http://arxiv.org/abs/1908.09510
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