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Negative Magnetoresistance in Dirac Semimetal Cd3As2

A large negative magnetoresistance is anticipated in topological semimetals in the parallel magnetic and electric field configuration as a consequence of the nontrivial topological properties. The negative magnetoresistance is believed to demonstrate the chiral anomaly, a long-sought high-energy phy... Full description

Journal Title: arXiv.org Jul 23, 2015
Main Author: Li, Hui
Other Authors: He, Hongtao , Hai-Zhou, Lu , Zhang, Huachen , Liu, Hongchao , Ma, Rong , Fan, Zhiyong , Shen, Shun-Qing , Wang, Jiannong
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: DOI: 10.1038/ncomms10301
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recordid: proquest2078302955
title: Negative Magnetoresistance in Dirac Semimetal Cd3As2
format: Article
creator:
  • Li, Hui
  • He, Hongtao
  • Hai-Zhou, Lu
  • Zhang, Huachen
  • Liu, Hongchao
  • Ma, Rong
  • Fan, Zhiyong
  • Shen, Shun-Qing
  • Wang, Jiannong
subjects:
  • Electric Fields
  • Electric Fields
  • Temperature Dependence
  • Magnetoresistance
  • Magnetic Properties
  • Magnetic Devices
  • Carrier Density
  • Metalloids
  • Configurations
  • Magnetoresistivity
  • Topology
  • Strongly Correlated Electrons
  • Mesoscale and Nanoscale Physics
ispartof: arXiv.org, Jul 23, 2015
description: A large negative magnetoresistance is anticipated in topological semimetals in the parallel magnetic and electric field configuration as a consequence of the nontrivial topological properties. The negative magnetoresistance is believed to demonstrate the chiral anomaly, a long-sought high-energy physics effect, in solid-state systems. Recent experiments reveal that Cd3As2, a Dirac topological semimetal, has the record-high mobility and exhibits positive linear magnetoresistance in the orthogonal magnetic and electric field configuration. However, the negative magnetoresistance in the parallel magnetic and electric field configuration remains unveiled. Here, we report the observation of the negative magnetoresistance in Cd3As2 microribbons in the parallel magnetic and electric field configuration as large as 66% at 50 K and even visible at room temperatures. The observed negative magnetoresistance is sensitive to the angle between magnetic and electrical field, robust against temperature,...
language: eng
source:
identifier: DOI: 10.1038/ncomms10301
fulltext: fulltext_linktorsrc
url: Link


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titleNegative Magnetoresistance in Dirac Semimetal Cd3As2
creatorLi, Hui ; He, Hongtao ; Hai-Zhou, Lu ; Zhang, Huachen ; Liu, Hongchao ; Ma, Rong ; Fan, Zhiyong ; Shen, Shun-Qing ; Wang, Jiannong
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ispartofarXiv.org, Jul 23, 2015
identifierDOI: 10.1038/ncomms10301
subjectElectric Fields ; Electric Fields ; Temperature Dependence ; Magnetoresistance ; Magnetic Properties ; Magnetic Devices ; Carrier Density ; Metalloids ; Configurations ; Magnetoresistivity ; Topology ; Strongly Correlated Electrons ; Mesoscale and Nanoscale Physics
descriptionA large negative magnetoresistance is anticipated in topological semimetals in the parallel magnetic and electric field configuration as a consequence of the nontrivial topological properties. The negative magnetoresistance is believed to demonstrate the chiral anomaly, a long-sought high-energy physics effect, in solid-state systems. Recent experiments reveal that Cd3As2, a Dirac topological semimetal, has the record-high mobility and exhibits positive linear magnetoresistance in the orthogonal magnetic and electric field configuration. However, the negative magnetoresistance in the parallel magnetic and electric field configuration remains unveiled. Here, we report the observation of the negative magnetoresistance in Cd3As2 microribbons in the parallel magnetic and electric field configuration as large as 66% at 50 K and even visible at room temperatures. The observed negative magnetoresistance is sensitive to the angle between magnetic and electrical field, robust against temperature,...
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titleNegative Magnetoresistance in Dirac Semimetal Cd3As2
descriptionA large negative magnetoresistance is anticipated in topological semimetals in the parallel magnetic and electric field configuration as a consequence of the nontrivial topological properties. The negative magnetoresistance is believed to demonstrate the chiral anomaly, a long-sought high-energy physics effect, in solid-state systems. Recent experiments reveal that Cd3As2, a Dirac topological semimetal, has the record-high mobility and exhibits positive linear magnetoresistance in the orthogonal magnetic and electric field configuration. However, the negative magnetoresistance in the parallel magnetic and electric field configuration remains unveiled. Here, we report the observation of the negative magnetoresistance in Cd3As2 microribbons in the parallel magnetic and electric field configuration as large as 66% at 50 K and even visible at room temperatures. The observed negative magnetoresistance is sensitive to the angle between magnetic and electrical field, robust against temperature,...
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abstractA large negative magnetoresistance is anticipated in topological semimetals in the parallel magnetic and electric field configuration as a consequence of the nontrivial topological properties. The negative magnetoresistance is believed to demonstrate the chiral anomaly, a long-sought high-energy physics effect, in solid-state systems. Recent experiments reveal that Cd3As2, a Dirac topological semimetal, has the record-high mobility and exhibits positive linear magnetoresistance in the orthogonal magnetic and electric field configuration. However, the negative magnetoresistance in the parallel magnetic and electric field configuration remains unveiled. Here, we report the observation of the negative magnetoresistance in Cd3As2 microribbons in the parallel magnetic and electric field configuration as large as 66% at 50 K and even visible at room temperatures. The observed negative magnetoresistance is sensitive to the angle between magnetic and electrical field, robust against temperature,...
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