Quantum Phase Transition in Quasi-One-Dimensional [Formula presented]

Z. Q. Mao; T. He; M. M. Rosario; K. D. Nelson; D. Okuno; B. Ueland; I. G. Deac; P. Schiffer; Y. Liu; R. J. Cava

doi:10.1103/PhysRevLett.90.186601

Quantum Phase Transition in Quasi-One-Dimensional [Formula presented]

Z. Q. Mao, T. He, M. M. Rosario, K. D. Nelson, D. Okuno, B. Ueland, I. G. Deac, P. Schiffer, Y. Liu, R. J. Cava

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We report the first systematic study of the electrical transport and magnetic properties of [Formula presented], which has a quasi-one-dimensional (quasi-1D) hollandite structure. We show that [Formula presented] is quasi-1D electronically as well. Its physical properties were found to be extremely sensitive to disorder. Furthermore, a transition from being metallic with a resistance drop around 2 K to being weakly insulating as the applied magnetic field was increased was also found. We propose that these two features are related to the possible presence of a quantum phase transition in this material system.

Original language	English (US)
Pages (from-to)	4
Number of pages	1
Journal	Physical review letters
Volume	90
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.90.186601
State	Published - 2003

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.90.186601

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title = "Quantum Phase Transition in Quasi-One-Dimensional [Formula presented] ",

abstract = "We report the first systematic study of the electrical transport and magnetic properties of [Formula presented], which has a quasi-one-dimensional (quasi-1D) hollandite structure. We show that [Formula presented] is quasi-1D electronically as well. Its physical properties were found to be extremely sensitive to disorder. Furthermore, a transition from being metallic with a resistance drop around 2 K to being weakly insulating as the applied magnetic field was increased was also found. We propose that these two features are related to the possible presence of a quantum phase transition in this material system.",

author = "Mao, {Z. Q.} and T. He and Rosario, {M. M.} and Nelson, {K. D.} and D. Okuno and B. Ueland and Deac, {I. G.} and P. Schiffer and Y. Liu and Cava, {R. J.}",

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AU - Mao, Z. Q.

AU - He, T.

AU - Rosario, M. M.

AU - Nelson, K. D.

AU - Okuno, D.

AU - Ueland, B.

AU - Deac, I. G.

AU - Schiffer, P.

AU - Liu, Y.

AU - Cava, R. J.

PY - 2003

Y1 - 2003

N2 - We report the first systematic study of the electrical transport and magnetic properties of [Formula presented], which has a quasi-one-dimensional (quasi-1D) hollandite structure. We show that [Formula presented] is quasi-1D electronically as well. Its physical properties were found to be extremely sensitive to disorder. Furthermore, a transition from being metallic with a resistance drop around 2 K to being weakly insulating as the applied magnetic field was increased was also found. We propose that these two features are related to the possible presence of a quantum phase transition in this material system.

AB - We report the first systematic study of the electrical transport and magnetic properties of [Formula presented], which has a quasi-one-dimensional (quasi-1D) hollandite structure. We show that [Formula presented] is quasi-1D electronically as well. Its physical properties were found to be extremely sensitive to disorder. Furthermore, a transition from being metallic with a resistance drop around 2 K to being weakly insulating as the applied magnetic field was increased was also found. We propose that these two features are related to the possible presence of a quantum phase transition in this material system.

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Quantum Phase Transition in Quasi-One-Dimensional [Formula presented]

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