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Title: Geometric dependence of transport and universal behavior in three dimensional carbon nanostructures

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4963261· OSTI ID:1468935
ORCiD logo [1];  [2];  [3];  [3];  [2];  [1]
  1. Univ. of South Carolina, Columbia, SC (United States). Dept. of Physics and Astronomy
  2. Benedict College, Columbia, SC (United States). Dept. of Physics and Engineering
  3. Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab)

Carbon nanostructures with the spherical voids exhibit interesting temperature and magnetic field dependent transport properties. By increasing the void size, the structures are tuned from metallic to insulating; in addition, the magnetoresistance (MR) is enhanced. Here, our investigation in the magnetic fields (B) up to 18 T at temperatures (T) from 250 mK to 20 K shows that at high temperatures (T > 2 K), the MR crosses over from quadratic to a non-saturating linear dependence with increasing magnetic field. Furthermore, all MR data in this temperature regime collapse onto a single curve as a universal function of B/T, following Kohler's rule. Remarkably, the MR also exhibits orientation insensitivity, i.e., it displays a response independent of the direction on the magnetic field.

Research Organization:
Univ. of South Carolina, Columbia, SC (United States). Dept. of Physics and Astronomy
Sponsoring Organization:
USDOE; National Science Foundation (NSF)
Grant/Contract Number:
NA0002630
OSTI ID:
1468935
Alternate ID(s):
OSTI ID: 1325837
Journal Information:
Applied Physics Letters, Vol. 109, Issue 12; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

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Cited By (5)

Resistor Network Modeling of Conductive Domain Walls in Lithium Niobate journal December 2017
Magneto-transport properties of proposed triply degenerate topological semimetal Pd 3 Bi 2 S 2 journal April 2018
Quantum transport properties of monolayer graphene with antidot lattice journal August 2019
Scatterings and Quantum Effects in ( Al , In ) N / GaN Heterostructures for High-Power and High-Frequency Electronics journal February 2018
Magneto-transport properties of proposed triply degenerate topological semimetal Pd$_{3}$Bi$_{2}$S$_{2}$ text January 2018

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