General

Bo Gu 

Associate Professor

Kavli Institute for Theoretical Sciences,

University of Chinese Academy of Sciences,

Beijing 100190, China

Phone: +86-18301093786

E-mail:  gubo@ucas.ac.cn


Research Areas

1.      Diluted Magnetic Semiconductors

Ø  Conventional type: (Ga, Mn)As, (Zn, Mn)O

Ø  New d0 type: Mg(O,N)

Ø  New I-II-V type: Li(Zn, Mn)As, Li(Zn, Mn)P

Ø  New narrow-band-gap type: Ba(Zn, Mn)2As2, Ba(Zn, Mn)2Sb2


2.      Spin Hall Effect (SHE)

Ø  Giant SHE in diluted alloys: AuFe, AuPt, CuBi, CuIr

Ø  Novel SHE in magnetic alloys: PdNi, CuMnBi


3.      Interface Magnetism

Ø  Novel spin relaxation: CoFeB/MgO

Ø  Enhanced magneto-optical effect: FeCo/insulator

 

4.      Low-dimensional Quantum Magnets

Ø  J1-J2-J3 Heisenberg chains

Education

  1. 2004/2 - 2007/1, Ph.D. in Theoretical Physics,Graduate University of Chinese Academy of Sciences
  2. 2000/9 - 2003/7, M.S. in Theoretical Physics, Peking University
  3. 1996/9 - 2000/7, Bachelor in Physics, Wuhan University

Experience

   
Work Experience

1.  2018/3 – now, Associate Professor

Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences, Beijing, China

 

2.    2016/7 – 2018/3,  Senior Scientist (Permanent staff)

Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Japan

 

3.    2012/4 -  2016/6, Scientist (Permanent staff)

Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Japan

 

4.    2010/4 - 2012/3, Special Topic Researcher

Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Japan

 

5.    2007/5 - 2010/3, Post-Doctoral Researcher

Institute for Materials Research, Tohoku University, Sendai, Japan

Teaching Experience
   

Publications


Papers

1.      Exciton excitations in a one-dimensional band insulator with Hubbard interactions,

B. Gu, J. Z. Lou, S. J. Qin, and T. Xiang, 

Chin. Phys. Lett. 21, 530-355 (2004).

 

2.      Anomalous magnetization exponent and singular frustration induced gap in incommensurate massive one-dimensional lattice models,

Bo Gu and Jun Zhang,

Commun. Theor. Phys. 42, 146-150 (2004).

 

3.      Magnetic properties of J-J-J’ quantum Heisenberg chains with spin S = 1/2, 1, 3/2 and 2 in a magnetic field,

Bo Gu, Gang Su, and Song Gao,

J. Phys.: Condens. Matter 17, 6081-6094 (2005). arXiv:cond-mat/0508685

 

4.      Thermodynamics of spin-1/2 antiferromagnet-antiferromagnet-ferromagnet and ferromagnet- ferromagnet-antiferromagnet trimerized quantum Heisenberg chains,

Bo Gu, Gang Su, and Song Gao,

Phys. Rev. B 73, 134427 (1-10) (2006). arXiv:cond-mat/0512652

 

5.      Comment on "Experimental observation of the 1/3 magnetization plateau in the diamond chain compound Cu3(CO3)2(OH)2",

Bo Gu and Gang Su,

Phys. Rev. Lett. 97, 089701 (1) (2006).

 

6.      Magnetism and thermodynamic of spin-1/2 Heisenberg diamond chains in magnetic field,

Bo Gu and Gang Su,

Phys. Rev. B 75, 174437 (1-16) (2007). arXiv:0704.0150

 

7.      Spin structure factors and valence bond states of the trimerized Heisenberg chains in a magnetic field,

Shou-Shu Gong, Bo Gu, and Gang Su,

Phys. Lett. A 372, 2322-2325 (2008). arXiv:0803.1238

 

8.      Crystal structure effect on the ferromagnetic correlations in ZnO with magnetic impurities,

Bo Gu, Nejat Bulut, and Sadamichi Maekawa,

J. Appl. Phys. 104, 103906 (1-7) (2008). arXiv:0804.3436

 

9.      Possible d0 ferromagnetism in MgO doped with nitrogen,

Bo Gu, Nejat Bulut, Timothy Ziman, and Sadamichi Maekawa,

Phys. Rev. B 79, 024407 (1-7) (2009). arXiv:0812.1836

 

10.   Quantum renormalization of the spin Hall effect,

Bo Gu, Jing-Yu Gan, Nejat Bulut, Timothy Ziman, Guang-Yu Guo, Naoto Nagaosa, and Sadamichi Maekawa,

Phys. Rev. Lett. 105, 086401 (1-4) (2010). arXiv:1007.3821

 

11.   Surface-assisted spin Hall effect in Au films with Pt impurities,

Bo Gu, Isamu Sugai, Timothy Ziman, Guang-Yu Guo, Naoto Nagaosa,  Takeshi Seki, Koki Takanashi, and Sadamichi Maekawa,

Phys. Rev. Lett. 105, 216401 (1-4) (2010). arXiv:1011.5540

Nature Publishing Group (NPG) Asia Materials research highlight | doi:10.1038/asiamat.2011.24.

 

12.   Orbital-dependent Kondo effect for Fe in Au: Combined approach of density functional theory and quantum Monte Carlo method,

Bo Gu, Jing-Yu Gan, Nejat Bulut, Guang-Yu Guo, Naoto Nagaosa, and Sadamichi Maekawa,

J. Phys.: Conf. Ser. 200, 062007 (1-4) (2010).

 

13.   New numerical approach for studying diluted magnetic semiconductors,

Jun-ichiro Ohe, Bo Gu, and Sadamichi Maekawa,

Solid State Physics 45, 269-278 (2010) (in Japanese). 

 

14.   Giant spin Hall effect of Au films with Pt impurities: Surface-assisted skew scattering,

Bo Gu, Timothy Ziman, Guang-Yu Guo, Naoto Nagaosa, and Sadamichi Maekawa,

J. Appl. Phys. 109, 07C502 (1-3) (2011).

Virtual Journal of Nanoscale Science & Technology Vol. 23, Issue 13 (2011).

 

15.   Li(Zn,Mn)As: A new generation ferromagnet based on the I-II-V semiconductor,

Z. Deng, C. Q. Jin, Q. Q. Liu, X. C. Wang, J. L. Zhu, S. M. Feng, L. C. Chen, R. C. Yu, C. Arguello, T. Goko, F. Ning, J. Zhang, Y. Wang, A. A. Aczel, T. Munsie, T. J. Williams, G. M. Luke, T. Kakeshita, S. Uchida, W. Higemoto, T. U. Ito, B. Gu, S. Maekawa, G. D. Morris, and Y. J. Uemura,

Nat. Commun. 2, 422 (1-5) (2011).

 

16.   The spin Hall effect as a probe of non-linear spin fluctuations,

Dahai Wei, Yasuhiro Niimi, Bo Gu, Timothy Ziman, Sadamichi Maekawa, and Yoshichika Otani,

Nat. Commun. 3, 1058 (1-5) (2012). arXiv:1209.2799

 

17.   Theory of the spin Hall effect, and its inverse, in a ferromagnetic metal near the Curie temperature,

Bo Gu, Timothy Ziman, and Sadamichi Maekawa,

Phys. Rev. B 86, 241303(R)(1-5) (2012). arXiv:1212.4561

 

18.   Anisotropic two-dimensional electron gas at the LaAlO3/SrTiO3 (110) interface,

A. Annadi, Q. Zhang, X. Renshaw Wang, N. Tuzla, K. Gopinadhan, W. M. Lu, A. Roy Barman, Z. Q. Liu, A. Srivastava, S. Saha, Y. L. Zhao, S. W. Zeng, S. Dhar, E. Olsson, B. Gu, S. Yunoki, S. Maekawa, H. Hilgenkamp, T. Venkatesan, and Ariando,

Nat. Commun. 4, 1838 (1-7) (2013). arXiv:1208.6135

 

19.   Diluted ferromagnetic semiconductor Li(Zn,Mn)P with decoupled charge and spin doping,

Z. Deng, K. Zhao, B. Gu, W. Han, J. L. Zhu, X. C. Wang, X. Li, Q. Q. Liu, R. C. Yu, T. Goko, B. Frandsen, L. Liu, Jinsong Zhang, Yayu Wang, F. L. Ning, S. Maekawa, Y. J. Uemura, and C. Q. Jin,

Phys. Rev. B 88, 081203(R)(1-5) (2013). arXiv:1308.4929

 

20.   Negatively charged muonium as a detector of electron spin polarization: A puzzle and a possible theory,

Bo Gu, Timothy Ziman, and Sadamichi Maekawa,

JPS Conf. Proc. 2, 010301 (1-5) (2014).

 

21.   Sign change of the spin Hall effect due to electron correlation in nonmagnetic CuIr alloys,

Zhuo Xu, Bo Gu,  Michiyasu Mori, Timothy Ziman, and Sadamichi Maekawa,

Phys. Rev. Lett. 114, 017202 (1-5) (2015). arXiv:1405.7449

 

22.   Enhanced spin Hall effect by electron correlations in CuBi alloys,

Bo Gu, Zhuo Xu, Michiyasu Mori, Timothy Ziman, and Sadamichi Maekawa,

J. Appl. Phys. 117, 17D503 (1-4) (2015). arXiv:1402.3012

 

23.   Analysis of the spin Hall effect in CuIr alloys: Combined approach of density functional theory and Hartree-Fock approximations,

Zhuo Xu, Bo Gu, Michiyasu Mori, Timothy Ziman, and Sadamichi Maekawa,

J. Appl. Phys. 117, 17D510 (1-4) (2015). arXiv:1411.7733

 

24.   Photoemission and X-ray absorption studies of the diluted magnetic semiconductor Ba1-xKx(Zn1-yMny)2As2 isostructural to Fe-based superconductors,

H. Suzuki, K. Zhao, G. Shibata, Y. Takahashi, S. Sakamoto, K. Yoshimatsu, B. J. Chen, H. Kumigashira, F. H. Chang, H. J. Lin, D. J. Huang, C. T. Chen, B. Gu, S. Maekawa, Y. J. Uemura, C. Q. Jin, and A. Fujimori,

Phys. Rev. B 91, 140401(R)(1-5) (2015). arXiv:1410.2409

 

25.   Charge-to-spin conversion and spin diffusion in Bi/Ag bilayers observed by spin-polarized positron beam,

H. J. Zhang, S. Yamamoto, B. Gu, H. Li, M. Maekawa, Y. Fukaya, and A. Kawasuso,

Phys. Rev. Lett. 114, 166602 (1-5) (2015).

 

26.   Strong suppression of the spin Hall effect in the spin glass state,

Y. Niimi, M. Kimata, Y. Omori, B. Gu, T. Ziman, S. Maekawa,  A. Fert, and Y. Otani,

Phys. Rev. Lett. 115, 196602 (1-5) (2015). arXiv:1510.00808

 

27.   Fermi surfaces and p-d hybridization in the diluted magnetic semiconductor Ba1-xKx(Zn1-yMny)2As2 studied by soft X-ray angle resolved photoemission spectroscopy,

H. Suzuki, G. Q. Zhao, K. Zhao, B. J. Chen, M. Horio, K. Koshiishi, J. Xu, M. Kobayashi, M. Minohara, E. Sakai, K. Horiba, H. Kumigashira, B. Gu, S. Maekawa, Y. J. Uemura, C. Q. Jin, and A. Fujimori,

Phys. Rev. B 92, 235120 (1-5) (2015). arXiv:1509.04520

 

28.   What determines the sign of the spin Hall effects in Cu alloys doped with 5d elements?

Zhuo Xu, Bo Gu, Michiyasu Mori, Timothy Ziman, and Sadamichi Maekawa,

J. Magn. Magn. Mater. 400, 184-187 (2016).  arXiv:1506.06437

 

29.   Diluted magnetic semiconductors with narrow band gaps,

Bo Gu and Sadamichi Maekawa,

Phys. Rev. B 94, 155202 (1-8) (2016). arXiv:1601.05165

 

30.   Skew scattering from correlated systems: Impurities and collective excitations in the spin Hall effect,

Timothy Ziman, Bo Gu, and Sadamichi Maekawa,

J. Phys. Soc. Jpn. 86, 011005 (1-8) (2017).

 

31.   New p- and n-type ferromagnetic semiconductors: Cr-doped BaZn2As2,

Bo Gu and Sadamichi Maekawa,

AIP Advances 7, 055805 (1-6) (2017). arXiv:1610.03578

 

32.   Magnetization dynamics and its scattering mechanism in thin CoFeB films with interfacial anisotropy,

A. Okada, S. He, B. Gu, S. Kanai, A. Soumyanarayanan, S. T. Lim, M. Tran, M. Mori, S. Maekawa, F. Matsukura, H. Ohno, and C. Panagopoulos,

PNAS 144, 3815-3820 (2017).  arXiv:1705.06624

 

33.   Enhanced orbital magnetic moment in FeCo nanogranules observed by Barnett effect,

Y. Ogata, H. Chudo, B. Gu, N. Kobayashi, M. Ono, K. Harii, M. Matsuo, E. Saitoh, and S. Maekawa,

J. Magn. Magn. Mater. 442, 329-331(2017).

 

34.   Enhanced magneto-optical Kerr effect at Fe/insulator interfaces,

Bo Gu, Saburo Takahashi, and Sadamichi Maekawa,

Phys. Rev. B 96, 214423 (1-6) (2017). arXiv:1710.09986

 

35.   Giant Faraday rotation in metal-fluoride nanogranular films,

N. Kobayashi, K. Ikeda, B. Gu, S. Takahashi, H. Masumoto, and S. Maekawa,

Scientific Reports 8, 4978 (1-8) (2018). 

Patents
   

Research Interests

   

Conferences

   

Collaboration

   

Students

   

Honors & Distinctions

1.      JAEA President Award 2011

Japan Atomic Energy Agency (JAEA), October 1, 2011, Tokai, Japan.

 

2.      ASRC Director General's Award 2010

Advanced Science Research Center (ASRC), Japan Atomic Energy Agency, March 23, 2011, Tokai, Japan.

 

3.      Excellent Paper Award

2006 Chinese National Doctoral Academic Forum in Physics, July 21, 2006, Beijing, China.