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Chin. Phys. B, 2021, Vol. 30(9): 097303    DOI: 10.1088/1674-1056/ac0cd7

High-resolution angle-resolved photoemission study of large magnetoresistance topological semimetal CaAl4

Xu-Chuan Wu(吴徐传), Shen Xu(徐升), Jian-Feng Zhang(张建丰), Huan Ma(马欢), Kai Liu(刘凯), Tian-Long Xia(夏天龙), and Shan-Cai Wang(王善才)
Department of Physics, Beijing Key Laboratory of Optoelectronic Functional Materials and Micro-nano Devices, Renmin University of China, Beijing 100872, China
Abstract  Extremely large magnetoresistance (XMR) has been explored in many nonmagnetic topologically nontrivial/trivial semimetals, while it is experimentally ambiguous which mechanism should be responsible in a specific material due to the complex electronic structures. In this paper, the magnetoresistance origin of single crystal CaAl4 with C2/m structure at low temperature is investigated, exhibiting unsaturated magnetoresistance of ~ 3000% at 2.5 K and 14 T as the fingerprints of XMR materials. By the combination of ARPES and the first-principles calculations, we elaborate multiband features and anisotropic Fermi surfaces, which can explain the mismatch of isotropic two-band model. Although the structural phase transition from I4/mmm to C2/m has been recognized, the subtle impact on electronic structure is revealed by our ARPES measurements. Considering that both charge compensation and potential topologically nontrivial band structure exist in CaAl4, our findings report CaAl4 as a new reference material for exploring the XMR phenomena.
Keywords:  magnetoresistance      angle-resolved photoemission spectroscopy (ARPES)      topological semimetal  
Received:  19 April 2021      Revised:  15 June 2021      Accepted manuscript online:  21 June 2021
PACS:  73.43.Qt (Magnetoresistance)  
  79.60.-i (Photoemission and photoelectron spectra)  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11774421, 12074425, 11874422, 11574391, and 11774424), the National Key Research and Development Program of China (Grant No. 2019YFA0308602), and the Fundamental Research Funds for the Central Universities, China, and the Research Funds of Renmin University of China (Grant Nos. 19XNLG13, 18XNLG14, and 19XNLG18).
Corresponding Authors:  Shan-Cai Wang     E-mail:

Cite this article: 

Xu-Chuan Wu(吴徐传), Shen Xu(徐升), Jian-Feng Zhang(张建丰), Huan Ma(马欢), Kai Liu(刘凯), Tian-Long Xia(夏天龙), and Shan-Cai Wang(王善才) High-resolution angle-resolved photoemission study of large magnetoresistance topological semimetal CaAl4 2021 Chin. Phys. B 30 097303

[1] Soluyanov A A, Gresch D, Wang Z, Wu Q, Troyer M, Dai X and Bernevig B A 2015 Nature 527 495
[2] Zeng L K, Lou R, Wu D S, Xu Q N, Guo P J, Kong L Y, Zhong Y G, Ma J Z, Fu B B, Richard P, Wang P, Liu G T, Lu L, Huang Y B, Fang C, Sun S S, Wang Q, Wang L, Shi Y G, Weng H M, Lei H C, Liu K, Wang S C, Qian T, Luo J L and Ding H 2016 Phys. Rev. Lett. 117 127204
[3] Xu J, Ghimire N J, Jiang J S, Xiao Z L, Botana A S, Wang Y L, Hao Y, Pearson J E and Kwok W K 2017 Phys. Rev. B 96 075159
[4] He J, Zhang C, Ghimire N J, Liang T, Jia C, Jiang J, Tang S, Chen S, He Y, Mo S K, Hwang C C, Hashimoto M, Lu D H, Moritz B, Devereaux T P, Chen Y L, Mitchell J F and Shen Z X 2016 Phys. Rev. Lett. 117 267201
[5] Shekhar C, Nayak A K, Sun Y, Schmidt M, Nicklas M, Leermakers I, Zeitler U, Skourski Y, Wosnitza J, Liu Z K, Chen Y L, Schnelle W, Borrmann H, Grin Y, Felser C and Yan B H 2015 Nat. Phys. 11 645
[6] Ghimire N J, Botana A S, Phelan D, Zheng H and Mitchell J F 2016 J. Phys. Condens. Matter 28 235601
[7] Zhu Z, Lin X, Liu J, Fauque B, Tao Q, Yang C, Shi Y and Behnia K 2015 Phys. Rev. Lett. 114 176601
[8] Gao W, Hao N, Zheng F W, Ning W, Wu M, Zhu X, Zheng G, Zhang J, Lu J, Zhang H, Xi C, Yang J, Du H, Zhang P, Zhang Y and Tian M 2017 Phys. Rev. Lett. 118 256601
[9] Yao Q, Du Y P, Yang X J, Zheng Y, Xu D F, Niu X H, Shen X P, Yang H F, Dudin P, Kim T K, Hoesch M, Vobornik I, Xu Z A, Wan X G, Feng D L and Shen D W 2016 Phys. Rev. B 94 235140
[10] Li Y K, Li L, Wang J L, Wang T T, Xu X F, Xi C Y, Cao C and Dai J H 2016 Phys. Rev. B 94 121115
[11] Luo Y, McDonald R D, Rosa P F, Scott B, Wakeham N, Ghimire N J, Bauer E D, Thompson J D and Ronning F 2016 Sci. Rep. 6 27294
[12] Shen B, Deng X Y, Kotliar G and Ni N 2016 Phys. Rev. B 93 195119
[13] Yuan Z J, Lu H, Liu Y J, Wang J F and Jia S 2016 Phys. Rev. B 93 184405
[14] Wu D S, Liao J, Yi W, Wang X, Li P G, Weng H M, Shi Y G, Li Y Q, Luo J L, Dai X and Fang Z 2016 Appl. Phys. Lett. 108 494024
[15] Wang Y Y, Yu Q H, Guo P J, Liu K and Xia T L 2016 Phys. Rev. B 94 041103
[16] Wang Y Y, Yu Q H and Xia T L 2016 Chin. Phys. B 25 107503
[17] Jing Y M, Huang S Y, Wu J X, Peng H L and Xu H Q 2018 Acta. Phys. Sin. 67 047301 (in Chinese)
[18] Liang T, Gibson Q, Ali M N, Liu M, Cava R J and Ong N P 2015 Nat. Mater. 14 280
[19] Huang X C, Zhao L X, Long Y J, Wang P P, Chen D, Yang Z H, Liang H, Xue M Q, Weng H M, Fang Z, Dai X and Chen G F 2015 Phys. Rev. X 5 031023
[20] Xu Q N, Song Z D, Nie S M, Weng H M, Fang Z and Dai X 2015 Phys. Rev. B 92 205310
[21] Kumar N, Manna K, Qi Y, Wu S C, Wang L, Yan B, Felser C and Shekhar C 2017 Phys. Rev. B 95 121109
[22] Hu J, Tang Z, Liu J, Liu X, Zhu Y, Graf D, Myhro K, Tran S, Lau C N, Wei J and Mao Z 2016 Phys. Rev. Lett. 117 016602
[23] Lou R, Xu Y F, Zhao L X, Han Z Q, Guo P J, Li M, Wang J C, Fu B B, Liu Z H, Huang Y B, Richard P, Qian T, Liu K, Chen G F, Weng H M, Ding H and Wang S C 2017 Phys. Rev. B 96 241106
[24] Zhou Y X, Lou Z F, Zhang S N, Chen H C, Chen Q, Xu B J, Du J H, Yang J H, Wang H D, Xi C Y, Pi L, Wu Q S, Yazyev O V and Fang M H 2020 Phys. Rev. B 102 115145
[25] Du J H, Lou Z F, Zhang S N, Zhou Y X, Xu B J, Chen Q, Tang Y Q, Chen S J, Chen H C, Zhu Q Q, Wang H D, Yang J H, Wu Q S, Yazyev O V and Fang M H 2018 Phys. Rev. B 97 245101
[26] Wang K, Graf D, Li L, Wang L and Petrovic C 2014 Sci. Rep. 4 7328
[27] Xu S, Zhang J F, Wang Y Y, Sun L L, Wang H, Su Y, Wang X Y, Liu K and Xia T L 2019 Phys. Rev. B 99 115138
[28] Blochl P E 1994 Phys. Rev. B 50 17953
[29] Kresse G and Joubert D 1999 Phys. Rev. B 59 1758
[30] Perdew J P, Burke K and Ernzerhof M 1996 Phys. Rev. Lett. 77 3865
[31] Souza I, Marzari N and Vanderbilt D 2001 Phys. Rev. B 65 035109
[32] Marzari N and Vanderbilt D 1997 Phys. Rev. B 56 12847
[33] Miller G J, Li F and Franzen H F 1993 J. Am. Chem. Soc. 115 3739
[34] Zogg H and Schwellinger P 1979 J. Mater. Sci. 14 1923
[35] Luttinger J M 1960 Phys. Rev. 119 1153
[36] Luttinger J M and Ward J C 1960 Phys. Rev. 118 1417
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[1] Lü YAN-NAN, DING E-JIANG. THE INHOMOGENEOUS PERIODIC STATES IN A COUPLED MAP LATTICE[J]. Acta Phys. Sin. (Overseas Edition), 1992, 1(1): 3 -10 .
[5] Peng Jin-sheng, Tian Yong-hong, Xu Da-hai, Han Li-bo. INFLUENCE OF THE DIPOLE-DIPOLE INTERACTION BETWEEN ATOMS ON THE PHASE PROPERTIES OF LIGHT[J]. Acta Phys. Sin. (Overseas Edition), 1999, 8(4): 252 -260 .
[6] Sun Lian-feng, Mao Jian-min, Chang Bao-he, Pan Zheng-wei, Wang Gang, Zhou Wei-ya. STRUCTURE AND MORPHOLOGY OF CARBON NANOTUBES GROWN ON ZEOLITE-SUPPORTED CATALYSTS BY CHEMICAL VAPOR DEPOSITION[J]. Acta Phys. Sin. (Overseas Edition), 1999, 8(7): 545 -550 .
[7] Xue Ju-Kui, Duan Wen-Shan, Lang He. Modulational instability of ion-acoustic waves in a warm plasma[J]. Chin. Phys., 2002, 11(11): 1184 -1187 .
[8] Ruan Cun-Jun, Pang Wen-Ning, Gao Jun-Fang, Shang Ren-Cheng. Study on optical electron polarimeter and measurement of the relative Stokes parameters of weak light[J]. Chin. Phys., 2002, 11(2): 126 -131 .
[9] Zhang Yan-Liang, Jiang Li, Sun Zhen-Rong, Ding Liang-En, Wang Zu-Geng. Effect of four-wave mixing on electromagnetically induced transparency in Λ-type system with a two-photon probe field[J]. Chin. Phys., 2003, 12(2): 174 -177 .
[10] Li Jia-Hua, Yang Wen-Xing, Peng Ju-Cun. Preparation of multicomponent motional coherent and squeezed coherent states of a trapped ion[J]. Chin. Phys., 2004, 13(10): 1700 -1706 .