DataVXACS NanoPaper
journal article·2016-04-26Open access

Liquid-Gated High Mobility and Quantum Oscillation of the Two-Dimensional Electron Gas at an Oxide Interface

Shengwei Zeng, Weiming Lü, Zhen Huang, Zhiqi Liu, Kun Han, Kalon Gopinadhan, Changjian Li, Rui Guo, Wenxiong Zhou, Haijiao Harsan Ma, Linke Jian, Thirumalai Venkatesan, Ariando

ACS Nano· Volume 10· Issue 4
Publisher pageOpen full text
Source abstract

Abstract

Electric field effect in electronic double layer transistor (EDLT) configuration with ionic liquids as the dielectric materials is a powerful means of exploring various properties in different materials. Here, we demonstrate the modulation of electrical transport properties and extremely high mobility of two-dimensional electron gas at LaAlO3/SrTiO3 (LAO/STO) interface through ionic liquid-assisted electric field effect. With a change of the gate voltages, the depletion of charge carrier and the resultant enhancement of electron mobility up to 19 380 cm(2)/(V s) are realized, leading to quantum oscillations of the conductivity at the LAO/STO interface. The present results suggest that high-mobility oxide interfaces, which exhibit quantum phenomena, could be obtained by ionic liquid-assisted field effect.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Electronic and Structural Properties of Oxides · Magnetic and transport properties of perovskites and related materials · Semiconductor materials and devices

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

NUSNNI-NanoCore, National University of Singapore, Singapore 117411, Singapore

Department of Physics, National University of Singapore, Singapore 117542, Singapore

National University of Singapore Graduate School for Integrative Sciences and Engineering (NGS), 28 Medical Drive, Singapore 117456, Singapore

Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore

Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576, Singapore

Funding

National Research Foundation-Prime Minister's office, Republic of Singapore · National University of Singapore

References (46)

Show source-provided references
1. 10.1103/RevModPhys.78.118510.1103/RevModPhys.78.1185 ↗
2. 10.1002/adfm.20080163310.1002/adfm.200801633 ↗
3. 10.1038/nmat229810.1038/nmat2298 ↗
4. 10.1038/nnano.2011.7810.1038/nnano.2011.78 ↗
5. 10.1126/science.122800610.1126/science.1228006 ↗
6. 10.1103/PhysRevB.92.02050310.1103/PhysRevB.92.020503 ↗
7. 10.1126/science.123051210.1126/science.1230512 ↗
8. 10.1021/nn403340d10.1021/nn403340d ↗
9. 10.1103/PhysRevB.90.08110810.1103/PhysRevB.90.081108 ↗
10. 10.1021/nl202157510.1021/nl2021575 ↗
11. 10.1021/nl501275p10.1021/nl501275p ↗
12. 10.1021/nn401053g10.1021/nn401053g ↗
13. 10.1021/acsnano.5b0049710.1021/acsnano.5b00497 ↗
14. 10.1038/ncomms743710.1038/ncomms7437 ↗
15. 10.1038/nature0230810.1038/nature02308 ↗
16. 10.1126/science.114600610.1126/science.1146006 ↗
17. 10.1038/nmat193110.1038/nmat1931 ↗
18. 10.1038/ncomms119210.1038/ncomms1192 ↗
19. 10.1103/PhysRevLett.105.23680210.1103/PhysRevLett.105.236802 ↗
20. 10.1103/PhysRevLett.105.20640110.1103/PhysRevLett.105.206401 ↗
21. 10.1063/1.486378610.1063/1.4863786 ↗
22. 10.1016/j.ssc.2014.08.00610.1016/j.ssc.2014.08.006 ↗
23. 10.1103/PhysRevX.3.02101010.1103/PhysRevX.3.021010 ↗
24. 10.1002/adfm.20120335510.1002/adfm.201203355 ↗
25. 10.1002/adma.20130179810.1002/adma.201301798 ↗
26. 10.1021/nl303372910.1021/nl3033729 ↗
27. 10.1038/nmat430310.1038/nmat4303 ↗
28. 10.1038/ncomms239410.1038/ncomms2394 ↗
29. 10.1038/nmat275010.1038/nmat2750 ↗
30. 10.1021/nl301844z10.1021/nl301844z ↗
31. 10.1063/1.490767610.1063/1.4907676 ↗
32. 10.1126/science.113109110.1126/science.1131091 ↗
33. 10.1038/nature0757610.1038/nature07576 ↗
34. 10.1103/PhysRevLett.103.22680210.1103/PhysRevLett.103.226802 ↗
35. 10.1063/1.482044910.1063/1.4820449 ↗
36. 10.1063/1.482955510.1063/1.4829555 ↗
37. 10.1063/1.368210210.1063/1.3682102 ↗
38. 10.1063/1.492106810.1063/1.4921068 ↗
39. 10.1038/nmat213610.1038/nmat2136 ↗
40. 10.1002/adma.20130075710.1002/adma.201300757 ↗
41. 10.1002/adma.20130109710.1002/adma.201301097 ↗
42. 10.1038/srep1275110.1038/srep12751 ↗
43. 10.1002/admi.20130000110.1002/admi.201300001 ↗
44. 10.1038/ncomms150110.1038/ncomms1501 ↗
45. 10.1002/adma.20120067310.1002/adma.201200673 ↗
46. 10.1063/1.345778510.1063/1.3457785 ↗