Two- and three-electron bubbles in / quantum wells
Abstract
Herein we report on transport signatures of eight distinct bubble phases in the $N=3$ Landau level of an Al$$_x$$Ga$$_{1-x}$$As/Al$$_{0.24}$$Ga$$_{0.76}$$As quantum well with $x=0.0015$. These phases occur near partial filling factors $ν^* ≈ 0.2(0.8)$ and $ν^* ≈ 0.3(0.7)$ and have $M=2$ and $M=3$ electrons (holes) per bubble, respectively. We speculate that a small amount of alloy disorder in our sample helps to distinguish these broken symmetry states in low-temperature transport measurements.
- Authors:
-
- Univ. of Minnesota, Minneapolis, MN (United States)
- Purdue Univ., West Lafayette, IN (United States)
- Publication Date:
- Research Org.:
- Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); State of Florida
- OSTI Identifier:
- 1594801
- Alternate Identifier(s):
- OSTI ID: 1504804; OSTI ID: 1656821
- Grant/Contract Number:
- SC0006671; SC0002567
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 99; Journal Issue: 16; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Magnetoresistance; 2-dimensional systems; Resistivity measurements
Citation Formats
Fu, Xiaojun, Shi, Qianhui, Zudov, Michael A., Gardner, Geoff C., Watson, John D., and Manfra, Michael J. Two- and three-electron bubbles in AlxGa1-xAs/Al0.24Ga0.76As quantum wells. United States: N. p., 2019.
Web. doi:10.1103/PhysRevB.99.161402.
Fu, Xiaojun, Shi, Qianhui, Zudov, Michael A., Gardner, Geoff C., Watson, John D., & Manfra, Michael J. Two- and three-electron bubbles in AlxGa1-xAs/Al0.24Ga0.76As quantum wells. United States. https://doi.org/10.1103/PhysRevB.99.161402
Fu, Xiaojun, Shi, Qianhui, Zudov, Michael A., Gardner, Geoff C., Watson, John D., and Manfra, Michael J. Wed .
"Two- and three-electron bubbles in AlxGa1-xAs/Al0.24Ga0.76As quantum wells". United States. https://doi.org/10.1103/PhysRevB.99.161402. https://www.osti.gov/servlets/purl/1594801.
@article{osti_1594801,
title = {Two- and three-electron bubbles in AlxGa1-xAs/Al0.24Ga0.76As quantum wells},
author = {Fu, Xiaojun and Shi, Qianhui and Zudov, Michael A. and Gardner, Geoff C. and Watson, John D. and Manfra, Michael J.},
abstractNote = {Herein we report on transport signatures of eight distinct bubble phases in the $N=3$ Landau level of an Al$_x$Ga$_{1-x}$As/Al$_{0.24}$Ga$_{0.76}$As quantum well with $x=0.0015$. These phases occur near partial filling factors $ν^* ≈ 0.2(0.8)$ and $ν^* ≈ 0.3(0.7)$ and have $M=2$ and $M=3$ electrons (holes) per bubble, respectively. We speculate that a small amount of alloy disorder in our sample helps to distinguish these broken symmetry states in low-temperature transport measurements.},
doi = {10.1103/PhysRevB.99.161402},
journal = {Physical Review B},
number = 16,
volume = 99,
place = {United States},
year = {Wed Apr 03 00:00:00 EDT 2019},
month = {Wed Apr 03 00:00:00 EDT 2019}
}
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