Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Kiswandhi, Andhika"'
Materials with the mesoscopic scales have provided an excellent platform for quantum-mechanical studies. Among them, the periodic oscillations of the electrical resistivity against the direct and the inverse of the magnetic fields, such as the Aharon
Externí odkaz:
http://arxiv.org/abs/2307.15418
Autor:
Kiswandhi, Andhika, Ochi, Tomotaka, Taen, Toshihiro, Sato, Mitsuyuki, Uchida, Kazuhito, Osada, Toshihito
Publikováno v:
Phys. Rev. B 107, 195106 (2023)
We performed thermoelectric Hall conductivity $\alpha_{xy}$ measurements on single-crystal graphite in the quantum limit up to 13 T. Both electrical and thermoelectric transport measurements were performed on the same crystal to extract pure $\alpha_
Externí odkaz:
http://arxiv.org/abs/2211.02306
Autor:
Osada, Toshihito, Kiswandhi, Andhika
Publikováno v:
J. Phys. Soc. Jpn. 90, No.5, 053704/1-5 (2021)
We propose a novel current-induced thermoelectric phenomenon, the nonlinear anomalous Ettingshausen effect (AEE), at zero magnetic field in inversion-asymmetric conductors. As an example, we discuss the weak charge ordering state in a layered organic
Externí odkaz:
http://arxiv.org/abs/2103.16925
Autor:
Kiswandhi, Andhika, Osada, Toshihito
Publikováno v:
J. Phys.: Condens. Matter 34, 105602 (2022)
We report the observation of nonlinear anomalous Hall effect (NLAHE) in the multilayered organic conductor $\alpha$-(BEDT-TTF)$_2$I$_3$ in the charge order (CO) insulating phase just under the critical pressure for transition into two-dimensional (2D
Externí odkaz:
http://arxiv.org/abs/2103.00300
Autor:
Osada, Toshihito, Kiswandhi, Andhika
Publikováno v:
J. Phys. Soc. Jpn. 89, No.10, 103701 (2020)
We show that when the electron and hole densities are unbalanced, observable nonlinear anomalous Hall effect and current-induced orbital magnetization appear at zero magnetic field in the weak charge ordering (CO) state of an organic two-dimensional
Externí odkaz:
http://arxiv.org/abs/2008.10844
Autor:
Terashima, Taichi, Kikugawa, Naoki, Kiswandhi, Andhika, Choi, Eun-Sang, Kihou, Kunihiro, Ishida, Shigeyuki, Lee, Chul-Ho, Iyo, Akira, Eisaki, Hiroshi, Uji, Shinya
Publikováno v:
Phys. Rev. B 99, 094508 (2019)
We report magnetic torque measurements on iron-pnictide superconductors Ba$_{1-x}$K$_x$Fe$_2$As$_2$ ($x \approx$ 0.69 and 0.76) up to an applied field of $B_a$ = 45 T. The peak effect is observed in torque-vs-field curves below the irreversibility fi
Externí odkaz:
http://arxiv.org/abs/1809.00762
Autor:
Terashima, Taichi, Kikugawa, Naoki, Kiswandhi, Andhika, Graf, David, Choi, Eun-Sang, Brooks, James S., Kasahara, Shigeru, Watashige, Tatsuya, Matsuda, Yuji, Shibauchi, Takasada, Wolf, Thomas, Böhmer, Anna E., Hardy, Frédéric, Meingast, Christoph, Löhneysen, Hilbert v., Uji, Shinya
Publikováno v:
Phys. Rev. B 93, 094505 (2016)
We report Shubnikov-de Haas (SdH) oscillation measurements on FeSe under high pressure up to $P$ = 16.1 kbar. We find a sudden change in SdH oscillations at the onset of the pressure-induced antiferromagnetism at $P$ $\sim$ 8 kbar. We argue that this
Externí odkaz:
http://arxiv.org/abs/1510.01840
Autor:
Terashima, Taichi, Kikugawa, Naoki, Kiswandhi, Andhika, Choi, Eun-Sang, Brooks, James S., Kasahara, Shigeru, Watashige, Tatsuya, Ikeda, Hiroaki, Shibauchi, Takasada, Matsuda, Yuji, Wolf, Thomas, Böhmer, Anna E., Hardy, Frédéric, Meingast, Christoph, Löhneysen, Hilbert v., Suzuki, Michi-To, Arita, Ryotaro, Uji, Shinya
Publikováno v:
Physical Review B 90, 144517 (2014)
We have observed Shubnikov-de Haas oscillations in FeSe. The Fermi surface deviates significantly from predictions of band-structure calculations and most likely consists of one electron and one hole thin cylinder. The carrier density is in the order
Externí odkaz:
http://arxiv.org/abs/1405.7749
Autor:
Terashima, Taichi, Kurita, Nobuyuki, Kiswandhi, Andhika, Choi, Eun-Sang, Brooks, James S., Sato, Kota, Yamaura, Jun-ichi, Hiroi, Zenji, Harima, Hisatomo, Uji, Shinya
Publikováno v:
Phys. Rev. B 85, 180503(R) (2012) [5 pages]
We have determined the Fermi surface in KOs$_2$O$_6$ ($T_c$ = 9.6 K and $B_{c2} \sim$ 32 T) via de Haas-van Alphen (dHvA) oscillation measurements and a band structure calculation. We find effective masses up to 26(1) $m_e$ ($m_e$ is the free electro
Externí odkaz:
http://arxiv.org/abs/1201.5425
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