Breakdown of three-dimensional Dirac semimetal state in pressurized C d3 A s2

Shan Zhang; Qi Wu; Leslie Schoop; Mazhar N. Ali; Youguo Shi; Ni Ni; Quinn Gibson; Shang Jiang; Vladimir Sidorov; Wei Yi; Jing Guo; Yazhou Zhou; Desheng Wu; Peiwen Gao; Dachun Gu; Chao Zhang; Sheng Jiang; Ke Yang; Aiguo Li; Yanchun Li; Xiaodong Li; Jing Liu; Xi Dai; Zhong Fang; Robert J. Cava; Liling Sun; Zhongxian Zhao

doi:10.1103/PhysRevB.91.165133

Breakdown of three-dimensional Dirac semimetal state in pressurized C d3 A s2

Shan Zhang, Qi Wu, Leslie Schoop, Mazhar N. Ali, Youguo Shi, Ni Ni, Quinn Gibson, Shang Jiang, Vladimir Sidorov, Wei Yi, Jing Guo, Yazhou Zhou, Desheng Wu, Peiwen Gao, Dachun Gu, Chao Zhang, Sheng Jiang, Ke Yang, Aiguo Li, Yanchun LiXiaodong Li, Jing Liu, Xi Dai, Zhong Fang, Robert J. Cava, Liling Sun, Zhongxian Zhao

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Abstract

We report an observation of a pressure-induced breakdown of the three-dimensional Dirac semimetal (3D-DSM) state in Cd3As2, evidenced by a series of in situ high-pressure synchrotron x-ray diffraction and single-crystal transport measurements. We find that Cd3As2 undergoes a structural phase transition from a metallic tetragonal phase in space group I41/acd to a semiconducting monoclinic phase in space group P21/c at critical pressure 2.57 GPa; above this pressure, an activation energy gap appears, accompanied by distinct switches in Hall resistivity slope and electron mobility. These changes of crystal symmetry and corresponding transport properties manifest the breakdown of the 3DDSM state in pressurized Cd3As2.

Original language	English (US)
Article number	165133
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	91
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.91.165133
State	Published - Apr 27 2015

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.91.165133

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Zhang, S., Wu, Q., Schoop, L., Ali, M. N., Shi, Y., Ni, N., Gibson, Q., Jiang, S., Sidorov, V., Yi, W., Guo, J., Zhou, Y., Wu, D., Gao, P., Gu, D., Zhang, C., Jiang, S., Yang, K., Li, A., ... Zhao, Z. (2015). Breakdown of three-dimensional Dirac semimetal state in pressurized C d3 A s2. Physical Review B - Condensed Matter and Materials Physics, 91(16), Article 165133. https://doi.org/10.1103/PhysRevB.91.165133

@article{a2c94e580b00478686f8f3eb93a228da,

title = "Breakdown of three-dimensional Dirac semimetal state in pressurized C d3 A s2",

abstract = "We report an observation of a pressure-induced breakdown of the three-dimensional Dirac semimetal (3D-DSM) state in Cd3As2, evidenced by a series of in situ high-pressure synchrotron x-ray diffraction and single-crystal transport measurements. We find that Cd3As2 undergoes a structural phase transition from a metallic tetragonal phase in space group I41/acd to a semiconducting monoclinic phase in space group P21/c at critical pressure 2.57 GPa; above this pressure, an activation energy gap appears, accompanied by distinct switches in Hall resistivity slope and electron mobility. These changes of crystal symmetry and corresponding transport properties manifest the breakdown of the 3DDSM state in pressurized Cd3As2.",

author = "Shan Zhang and Qi Wu and Leslie Schoop and Ali, {Mazhar N.} and Youguo Shi and Ni Ni and Quinn Gibson and Shang Jiang and Vladimir Sidorov and Wei Yi and Jing Guo and Yazhou Zhou and Desheng Wu and Peiwen Gao and Dachun Gu and Chao Zhang and Sheng Jiang and Ke Yang and Aiguo Li and Yanchun Li and Xiaodong Li and Jing Liu and Xi Dai and Zhong Fang and Cava, {Robert J.} and Liling Sun and Zhongxian Zhao",

note = "Publisher Copyright: {\textcopyright} 2015 American Physical Society.",

year = "2015",

month = apr,

day = "27",

doi = "10.1103/PhysRevB.91.165133",

language = "English (US)",

volume = "91",

journal = "Physical Review B - Condensed Matter and Materials Physics",

issn = "1098-0121",

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Zhang, S, Wu, Q, Schoop, L, Ali, MN, Shi, Y, Ni, N, Gibson, Q, Jiang, S, Sidorov, V, Yi, W, Guo, J, Zhou, Y, Wu, D, Gao, P, Gu, D, Zhang, C, Jiang, S, Yang, K, Li, A, Li, Y, Li, X, Liu, J, Dai, X, Fang, Z, Cava, RJ, Sun, L & Zhao, Z 2015, 'Breakdown of three-dimensional Dirac semimetal state in pressurized C d3 A s2', Physical Review B - Condensed Matter and Materials Physics, vol. 91, no. 16, 165133. https://doi.org/10.1103/PhysRevB.91.165133

TY - JOUR

T1 - Breakdown of three-dimensional Dirac semimetal state in pressurized C d3 A s2

AU - Zhang, Shan

AU - Wu, Qi

AU - Schoop, Leslie

AU - Ali, Mazhar N.

AU - Shi, Youguo

AU - Ni, Ni

AU - Gibson, Quinn

AU - Jiang, Shang

AU - Sidorov, Vladimir

AU - Yi, Wei

AU - Guo, Jing

AU - Zhou, Yazhou

AU - Wu, Desheng

AU - Gao, Peiwen

AU - Gu, Dachun

AU - Zhang, Chao

AU - Jiang, Sheng

AU - Yang, Ke

AU - Li, Aiguo

AU - Li, Yanchun

AU - Li, Xiaodong

AU - Liu, Jing

AU - Dai, Xi

AU - Fang, Zhong

AU - Cava, Robert J.

AU - Sun, Liling

AU - Zhao, Zhongxian

PY - 2015/4/27

Y1 - 2015/4/27

N2 - We report an observation of a pressure-induced breakdown of the three-dimensional Dirac semimetal (3D-DSM) state in Cd3As2, evidenced by a series of in situ high-pressure synchrotron x-ray diffraction and single-crystal transport measurements. We find that Cd3As2 undergoes a structural phase transition from a metallic tetragonal phase in space group I41/acd to a semiconducting monoclinic phase in space group P21/c at critical pressure 2.57 GPa; above this pressure, an activation energy gap appears, accompanied by distinct switches in Hall resistivity slope and electron mobility. These changes of crystal symmetry and corresponding transport properties manifest the breakdown of the 3DDSM state in pressurized Cd3As2.

AB - We report an observation of a pressure-induced breakdown of the three-dimensional Dirac semimetal (3D-DSM) state in Cd3As2, evidenced by a series of in situ high-pressure synchrotron x-ray diffraction and single-crystal transport measurements. We find that Cd3As2 undergoes a structural phase transition from a metallic tetragonal phase in space group I41/acd to a semiconducting monoclinic phase in space group P21/c at critical pressure 2.57 GPa; above this pressure, an activation energy gap appears, accompanied by distinct switches in Hall resistivity slope and electron mobility. These changes of crystal symmetry and corresponding transport properties manifest the breakdown of the 3DDSM state in pressurized Cd3As2.

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SN - 1098-0121

VL - 91

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 16

M1 - 165133

ER -

Breakdown of three-dimensional Dirac semimetal state in pressurized C d3 A s2

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