Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Iwakiri, Shuichi"'
Autor:
Zheng, Giulia, Portolés, Elías, Mestre-Torá, Alexandra, Perego, Marta, Taniguchi, Takashi, Watanabe, Kenji, Rickhaus, Peter, de Vries, Folkert K., Ihn, Thomas, Ensslin, Klaus, Iwakiri, Shuichi
Publikováno v:
Phys. Rev. Research 6, L012051 (2024)
Magic-angle twisted bilayer graphene (MATBG) combines in one single material different phases like insulating, metallic and superconducting. These phases and their in-situ tunability make MATBG an important platform for the fabrication of superconduc
Externí odkaz:
http://arxiv.org/abs/2312.11698
Autor:
Iwakiri, Shuichi, Miller, Jakob, Lang, Florian, Prettenthaler, Jakob, Taniguchi, Takashi, Watanabe, Kenji, Lee, Sung Sik, Becker, Pascal, Günther, Detlef, Ihn, Thomas, Ensslin, Klaus
Publikováno v:
Phys. Rev. Research 5, 043212 (2023)
Graphene quantum dots are promising candidates for qubits due to weak spin-orbit and hyperfine interactions. The hyperfine interaction, controllable via isotopic purification, could be the key to further improving the coherence. Here, we use isotopic
Externí odkaz:
http://arxiv.org/abs/2308.08175
Autor:
Iwakiri, Shuichi, Mestre-Torà, Alexandra, Portolés, Elías, Visscher, Marieke, Perego, Marta, Zheng, Giulia, Taniguchi, Takashi, Watanabe, Kenji, Sigrist, Manfred, Ihn, Thomas, Ensslin, Klaus
Publikováno v:
Nature Communications, volume 15, Article number: 390 (2024)
Magic-angle twisted bilayer graphene (MATBG) can host an intriguing variety of gate-tunable correlated states, including superconducting and correlated insulator states. Junction-based superconducting devices, such as Josephson junctions and SQUIDs,
Externí odkaz:
http://arxiv.org/abs/2308.07400
Autor:
Iwakiri, Shuichi, Ginzburg, Lev V., Röösli, Marc P., Meir, Yigal, Stern, Ady, Reichl, Christian, Berl, Matthias, Wegscheider, Werner, Ihn, Thomas, Ensslin, Klaus
Publikováno v:
Phys. Rev. Research 5, L032046 (2023)
Breaking of inversion symmetry leads to nonlinear and nonreciprocal electron transport, in which the voltage response does not invert with the reversal of the current direction. Many systems have incorporated inversion symmetry breaking into their ba
Externí odkaz:
http://arxiv.org/abs/2306.09907
Autor:
Iwakiri, Shuichi, de Vries, Folkert K., Portolés, Elías, Zheng, Giulia, Taniguchi, Takashi, Watanabe, Kenji, Ihn, Thomas, Ensslin, Klaus
Publikováno v:
Nano Lett., 22, 15, 6292 (2022)
We present an electron interferometer defined purely by electrostatic gating in encapsulated bilayer graphene. This minimizes possible sample degradation introduced by conventional etching methods when preparing quantum devices. The device quality is
Externí odkaz:
http://arxiv.org/abs/2205.04081
Autor:
Portolés, Elías, Iwakiri, Shuichi, Zheng, Giulia, Rickhaus, Peter, Taniguchi, Takashi, Watanabe, Kenji, Ihn, Thomas, Ensslin, Klaus, de Vries, Folkert K.
Magic-angle twisted bilayer graphene (MATBG) hosts a number of correlated states of matter that can be tuned by electrostatic doping. Superconductivity has drawn considerable attention and the mechanism behind it is a topic of active discussion. MATB
Externí odkaz:
http://arxiv.org/abs/2201.13276
Autor:
Iwakiri, Shuichi, Sugimoto, Satoshi, Niimi, Yasuhiro, Kozuka, Yusuke, Takahashi, Yukiko K., Kasai, Shinya, Kobayashi, Kensuke
Publikováno v:
Phys. Rev. B 103, 245427 (2021)
The current-voltage ($IV$) characteristics beyond the linear response regime of magnetic tunnel junction (MTJ) is systematically investigated. We find a clear negative correlation between the two coefficients to characterize the linear ($I$$\propto$$
Externí odkaz:
http://arxiv.org/abs/2106.11274
Autor:
Iwakiri, Shuichi
We investigate how the dynamics of a hexagonal prism rolling on a floor change with friction and structural asymmetry. It is shown that the asymmetry induces the non-reciprocal dynamics where the prism rolls only in one direction regardless of the di
Externí odkaz:
http://arxiv.org/abs/2005.13169
Autor:
Norimoto, Shota, Iwakiri, Shuichi, Yokoi, Masahiko, Arakawa, Tomonori, Niimi, Yasuhiro, Kobayashi, Kensuke
Publikováno v:
Rev. Sci. Instrum. 91, 085110 (2020)
Single electron sources have been studied as a device to establish an electric current standard for 30 years and recently as an on-demand coherent source for Fermion quantum optics. In order to construct the single electron source on a GaAs/AlGaAs tw
Externí odkaz:
http://arxiv.org/abs/2005.10533
Autor:
Iwakiri, Shuichi, Sugimoto, Satoshi, Niimi, Yasuhiro, Kobayashi, Kensuke, Kozuka, Yusuke, Takahashi, Yukiko K., Kasai, Shinya
Publikováno v:
Appl. Phys. Lett. 117, 022406 (2020)
We investigate the spectral characteristics of spin torque oscillator (STO) excited by the spin Hall-induced spin current. We observe that the modest spin current injection triggers the conventional single peak oscillating behavior of STO. As the spi
Externí odkaz:
http://arxiv.org/abs/2005.07434