Journal Club Presentations in 2018

2018

Dec 27 (Thu)

• • Speaker: Daegeun Jo

• Place & Time: Sci. Bldg 3, 5F Meeting place, 3:30pm

• V. T. Phong, Z. Addison, S. Ahn, H. Min, R. Agarwal, and E. J. Mele

• Optically-Controlled Orbitronics on a Triangular Lattice

  • arXiv:1809.09598 (2018) 

Nov 20 (Tue)

• • Speaker : Mijin Lim

• Place & Time: Sci. Bldg 3-201, 3:00pm

• K. Demasius, T. Phung, W. Zhang, B. P. Hughes, S. Yang, A. Kellock, W. Han, A. Pushp, and S. S. P. Parkin

• Enhanced spin–orbit torques by oxygen incorporation in tungsten films

  • Nat. Commun. 7, 10644 (2016)

Nov 8 (Thu)

• • Speaker : Kyung-Han Kim

• Place & Time: Sci. Bldg 3-201, 3:30 p.m.

• J. Ahn and B. -J. Yang

• Unconventional Topological Phase Transition in Two-Dimensional systems with Space-Time Inversion Symmetry

• Phys. Rev. Lett. 118, 156401 (2017)

Oct 11 (Thu)

• • Speaker : Dongwook Go

• Place & Time: 5F meeting room, 2:00 p.m.

• Spin-Orbit Torque by Orbital Injection

Oct 4 (Thu)

• • Speaker : Suik Cheon

• Place & Time: Sci. Bldg. 3-201, 2:00pm

• Tesuro Habe

• Spin and electric current induced by a spin-motive force in two-dimensional Dirac semimetals protected by nonsymmorphic symmetries

• Phys. Rev. B. 96, 085440 (2017)

Sep 6 (Thu)

• • Speaker : SeungJu Shin

• Place & Time: Sci. Bldg 3, 5F meeting room, 2:00pm

• Annika Johansson, Jürgen Henk, and Ingrid Mertig

• Edelstein effect in Weyl semimetals

• Phys. Rev. B. 97, 085417

Aug 23 (Thu)

• • Speaker : Sang-Chan Lee

• Place & Time: Sci. Bldg. 3-201, 3:00pm

  • Chen, L. Mankovsky, S. Wimmer, S. Schoen, M. A.W. Körner, H. S. Kronseder, M. Schuh, D. Bougeard, D. Ebert, H. Weiss, D.Back, C. H.

• Emergence of anisotropic Gilbert damping in ultrathin Fe layers on GaAs(001)

• Nature Physics volume 14, pages490–494 (2018) 

Aug 9 (Thu)

• • Speaker : Daegeun Jo

• Place & Time: Sci. Bldg. 3, 5F meeting room, 2:00pm

• Chunhui Du, Hailong Wang, Fengyuan Yang, and P. Chris Hammel

• Systematic variation of spin-orbit coupling with d-orbital filling: Large inverse spin Hall effect in 3d transition metals

• Phys. Rev. B. 90, 140407(R) (2014)

July 12 (Thu)

• • Speaker : Jeonghun Sohn

• Place & Time: Sci. Bldg 3-201, 2:00pm

• A. Soumyanarayanan, N. Reyren, A. Fert, and C. Panagopoulos

• Emergent phenomena induced by spin-orbit coupling at surfaces and interfaces (Review paper)

• Nature 539, 509 (2016) published 24 Novermber

July 5 (Thu)

• • Speaker : Mijin Lim

• Place & Time: Sci. Bldg 3-201, 2:00pm

• Xinde Tao, Qi Liu, Bingfeng Miao, Rui Yu, Zheng Feng, Liang Sun, Biao You, Jun Du, Kai Chen, Shufeng Zhang, Luo Zhang, Zhe Yuan, Di Wu, Haifeng Ding

• Self-consistent determination of spin Hall angle and spin diffusion length in Pt and Pd: The role of the interface spin loss

• Sci. Adv. 4:eaat1670 (2018)

Jun 21 (Thu)

• • Speaker : Kyung-Han Kim

• Place & Time: Sci. Bldg 3-201, 2:00 p.m.

• Y. Cao, V. Fatemi, ..., E. Kaxiras, R. C. Ashoori, and Pablo Jarillo-Herrero

• Correlated insulator behavior at half-filling in magic-angle graphene superlattices

• Nature 556, 80 (2018)

• Y. Cao, V. Fatemi, ..., E. Kaxiras, and Pablo Jarillo-Herroro

• Unconventional superconductivity in magic-angle graphene superlattices

• Nature 556, 43 (2018)

Jun 14 (Thu)

• • Speaker : Dongwook Go

• Place & Time: Sci. Bldg 3-201, 2:00pm         

          Edurne Sagasta, Yasutomo Omori, Miren Isasa, Martin Gradhand, 

          Luis E. Hueso, Yasuhiro Niimi, YoshiChika Otani, and Fèlix Casanova

          Tuning the spin Hall effect of Pt from the moderately dirty to the superclean regime

          Phys. Rev. B 94, 060412(R) (2016)

May 31 (Thu)

• • Speaker : Suik Cheon

• Place & Time: Sci. Bldg 3-201, 2:00pm

            Satoru Nakatsuji, Naoki Kiyohara & Tomoya Higo

            Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature

            Nature 527, 212 (2015)

            Ajaya K. Nayak, Julia Erika Fischer, Yan Sun, Binghai Yan, Julie Karel, Alexander C. Komarek, Chandra Shekhar, 

            Nitesh Kumar, Walter Schnelle, Jurgen Kubler, Claudia Felser, Stuart S. P. Parkin

            Large anomalous Hall effect driven by a nonvanishing Berry curvature in the noncolinear antiferromagnet Mn3Ge

            Sci. Adv. 2:e1501870 (2016)

May 17 (Thu)

• • Speaker : SeungJu Shin

• Place & Time: Sci. Bldg 3-201, 2:00pm

• S. Ghosh and A. Manchon

• Spin-orbit torque in a three-dimensional topological insulator-ferromagnet heterostructure: Crossover between bulk and surface transport

• Phys. Rev. B. 97, 134402

Apr 19 (Thu)

• • Speaker : Sang Chan Lee

• Place & Time: Sci. Bldg. 3-201, 3:00pm

            V. P. Amin, J. Zemen, and M. D. Stiles

            Interface-generated spin currents

            arXiv:1803.00593

Apr 6 (Fri)

• • Speaker : Daegeun Jo

• Place & Time: Sci. Bldg. 3-201, 2:00pm

           Y Zhang, J Železný, Y Sun, J van der Brink, and B Yan

           Spin Hall effect emerging from a chiral magnetic lattice without spin-orbit coupling

           arXiv:1704.03917 (2017)

           References:

           Y Zhang, Y Sun, H Yang, J Železný, SPP Parkin, C Felser, and B Yan

           Strong anisotropic anomalous Hall effect and spin Hall effect in the chiral antiferromagnetic compounds Mn3X (X = Ge, Sn, Ga, Ir, Rh, and Pt)

           Phys. Rev. B 95, 075128 (2017)

           Hua Chen, Qian Niu, and A. H. MacDonald

           Anomalous Hall Effect Arising from Noncollinear Antiferromagnetism

           Phys. Rev. Lett. 112, 017205 (2014)

Mar 29 (Thu)

• • Speaker : Dongwook Go

• Place & Time: Sci. Bldg. 3, 5F meeting room, 2:00pm

           Conserved spin current  for quantifying bulk and surface contributions  in spin-charge conversion processes

           Part 2: A new approach and its consequences

Mar 22 (Thu)

• • Speaker : Dongwook Go

• Place & Time: Sci. Bldg 3-201, 2:00pm

           Conserved spin current  for quantifying bulk and surface contributions  in spin-charge conversion processes

           Part 1: Current status and problems

           Proper Definition of Spin Current in Spin-Orbit Coupled Systems  

           Junren Shi, Ping Zhang, Di Xiao, and Qian Niu 

           Phys. Rev. Lett. 96, 076604 (2006).

Feb 22 (Thu)

• • Speaker : Jeonghun Sohn

• Place & Time: Sci. Bldg 3-201, 2:00pm

  • P. Chuang, S.-C. Ho, ..., D. A.Ritchie, T.-M. Chen

  • All-electric all-semiconductor spin field-effect transistors

  • Nature Nanotechnology 10, 35 (2015) published January

Feb 7 (Wed)

• • Speaker : Mijin Lim

• Place & Time: Sci. Bldg 3-201, 4:00pm

• K. Cai, M. Yang, ..., H. Zheng, and K. Wang

• Electric field control of deterministic current-induced magnetization switching in a hybrid ferromagnetic/ferroelectric structure

• Nature Materials 16, 712 (2017)

Jan 18 (Thu)

• • Speaker : Kyung-Han Kim

• Place & Time: Sci. Bldg 3-331, 4:00 p.m.

• Alexander Lau, Jeroen van den Brink, and Carmine Ortix

• Topological mirror insulators in one dimension

• Phys. Rev. B 94, 165164 (2016)

Jan 11 (Thu)

• Speaker : Dongwook Go

• Place & Time: 3-201, 16:00 ~

• Z2 anomaly in topological Dirac semimetals and its implications for spin-orbitronics

• References:

• Evidence for the chiral anomaly in the Dirac semimetal Na3Bi 

• Jun Xiong, Satya K. Kushwaha, Tian Liang, Jason W. Krizan, Max Hirschberger, Wudi Wang, R. J. Cava, N. P. Ong

• Science 350, 413 (2015)

  • Z2 and Chiral Anomalies in Topological Dirac Semimetals

  • Anton. A. Burkov, Yong Baek Kim

  • Phys. Rev. Lett. 117, 136602 (2016)