Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Bachus, Sebastian"'
Autor:
Grußler, Franziska, Hemmida, Mamoun, Bachus, Sebastian, Skourski, Yurii, von Nidda, Hans-Albrecht Krug, Gegenwart, Philipp, Tsirlin, Alexander A.
Publikováno v:
Phys. Rev. B 107, 224416 (2023}
We report crystal structure and magnetic behavior of the triangular antiferromagnet KYbO$_2$, the A-site substituted version of the quantum spin liquid candidate NaYbO$_2$. The replacement of Na by K introduces an anisotropic tensile strain with 1.6%
Externí odkaz:
http://arxiv.org/abs/2303.12448
Autor:
Bachus, Sebastian, Iakovlev, Ilia A., Li, Yuesheng, Wörl, Andreas, Tokiwa, Yoshifumi, Ling, Langsheng, Zhang, Qingming, Mazurenko, Vladimir V., Gegenwart, Philipp, Tsirlin, Alexander A.
Publikováno v:
Phys. Rev. B 102, 104433 (2020)
We report magnetization, heat capacity, thermal expansion, and magnetostriction measurements down to millikelvin temperatures on the triangular antiferromagnet YbMgGaO$_4$. Our data exclude the formation of the distinct $\frac13$ plateau phase observ
Externí odkaz:
http://arxiv.org/abs/2006.09775
Autor:
Li, Yuesheng, Bachus, Sebastian, Deng, Hao, Schmidt, Wolfgang, Thoma, Henrik, Hutanu, Vladimir, Tokiwa, Yoshifumi, Tsirlin, Alexander A., Gegenwart, Philipp
Publikováno v:
Phys. Rev. X 10, 011007 (2020)
Frustrated quasidoublets without time-reversal symmetry can host highly unconventional magnetic structures with continuously distributed order parameters even in a single-phase crystal. Here, we report the comprehensive thermodynamic and neutron diff
Externí odkaz:
http://arxiv.org/abs/1912.02344
Autor:
Stockert, Oliver, Hoffmann, Jens-Uwe, Mühlbauer, Martin, Senyshyn, Anatoliy, Koza, Michael M., Tsirlin, Alexander A., Wolf, F. Maximilian, Bachus, Sebastian, Gegenwart, Philipp, Movshovich, Roman, Bobev, Svilen, Fritsch, Veronika
Publikováno v:
Phys. Rev. Research 2, 013183 (2020)
Magnetic frustration in metals is scarce and hard to pinpoint, but exciting due to the possibility of the emergence of fascinating novel phases. The cubic intermetallic compound HoInCu$_4$ with all holmium atoms on an fcc lattice, exhibits partial ma
Externí odkaz:
http://arxiv.org/abs/1907.09885
Autor:
Zhao, Hengcan, Zhang, Jiahao, Lyu, Meng, Bachus, Sebastian, Tokiwa, Yoshifumi, Gegenwart, Philipp, Zhang, Shuai, Cheng, Jinguang, Yang, Yi-feng, Chen, Genfu, Isikawa, Yosikazu, Si, Qimiao, Steglich, Frank, Sun, Peijie
Publikováno v:
Nat. Phys. 15, 1261 (2019)
Strange-metal phenomena often develop at the border of antiferromagnetic order in strongly correlated metals. It has been well established that they can originate from the fluctuations anchored by the point of continuous quantum phase transition out
Externí odkaz:
http://arxiv.org/abs/1907.04255
Autor:
Li, Yuesheng, Bachus, Sebastian, Liu, Benqiong, Radelytskyi, Igor, Bertin, Alexandre, Schneidewind, Astrid, Tokiwa, Yoshifumi, Tsirlin, Alexander A., Gegenwart, Philipp
Publikováno v:
Phys. Rev. Lett. 122, 137201 (2019)
DC-magnetization data measured down to 40 mK speak against conventional freezing and reinstate YbMgGaO$_4$ as a triangular spin-liquid candidate. Magnetic susceptibility measured parallel and perpendicular to the $c$-axis reaches constant values belo
Externí odkaz:
http://arxiv.org/abs/1903.09574
Autor:
Ding, Lei, Manuel, Pascal, Bachus, Sebastian, Grußler, Franziska, Gegenwart, Philipp, Singleton, John, Johnson, Roger D., Walker, Helen C., Adroja, Devashibhai T., Hillier, Adrian D., Tsirlin, Alexander A.
Publikováno v:
Phys. Rev. B 100, 144432 (2019)
We present the structural characterization and low-temperature magnetism of the triangular-lattice delafossite NaYbO$_2$. Synchrotron x-ray diffraction and neutron scattering exclude both structural disorder and crystal-electric-field randomness, whe
Externí odkaz:
http://arxiv.org/abs/1901.07810
Autor:
Li, Yuesheng, Bachus, Sebastian, Tokiwa, Yoshifumi, Tsirlin, Alexander A., Gegenwart, Philipp
Publikováno v:
Phys. Rev. X 10, 011007 (2020)
Frustrated Ising magnets host exotic excitations, such as magnetic monopoles in spin ice. The ground state (GS) in this case is characterized by an extensive degeneracy and associated residual entropy going back to the pioneering work by G. Wannier w
Externí odkaz:
http://arxiv.org/abs/1804.00696
Autor:
Li, Yuesheng, Bachus, Sebastian, Tokiwa, Yoshifumi, Tsirlin, Alexander A., Gegenwart, Philipp
Publikováno v:
Phys. Rev. B 97, 184434 (2018)
We report a single-crystal study on the magnetism of the rare-earth compound PrTiNbO$_6$ that experimentally realizes the zigzag pseudospin-$\frac{1}{2}$ quantum antiferromagnetic chain model. Random crystal electric field caused by the site mixing b
Externí odkaz:
http://arxiv.org/abs/1804.00687
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