Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 7991-7998 |
| Seitenumfang | 8 |
| Fachzeitschrift | Physical Review B |
| Jahrgang | 48 |
| Ausgabenummer | 11 |
| Publikationsstatus | Veröffentlicht - 1 Jan. 1993 |
| Extern publiziert | Ja |
Abstract
Low-temperature (T50 mK) transport characteristics are measured for parallel wires coupled by a ballistic window. The structure is fabricated by focused Ga ion-beam scanning and subsequent annealing. The size of the structure is modified by in-plane-gated operation. At zero magnetic field, the transport characteristics are governed by the mode matching between one-dimensional modes in the wires and quasi-zero-dimensional modes in the window. When four-terminal resistance is measured as a function of in-plane-gate voltage, a small period oscillation is superimposed on the background oscillation corresponding to the subband population in each wire. At intermediate magnetic fields, Aharonov-Bohm interference effects are observed in both the magnetic field and the in-plane-gate voltage dependence. These originate from the circulating channel in the window. Theoretical calculations essentially reproduce the experimental results, supporting these explanations.
ASJC Scopus Sachgebiete
- Physik und Astronomie (insg.)
- Physik der kondensierten Materie
Zitieren
- Standard
- Harvard
- Apa
- Vancouver
- BibTex
- RIS
in: Physical Review B, Jahrgang 48, Nr. 11, 01.01.1993, S. 7991-7998.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Transport characteristics of a window-coupled in-plane-gated wire system
AU - Hirayama, Y.
AU - Tokura, Y.
AU - Wieck, A. D.
AU - Koch, S.
AU - Haug, R. J.
AU - Von Klitzing, K.
AU - Ploog, K.
PY - 1993/1/1
Y1 - 1993/1/1
N2 - Low-temperature (T50 mK) transport characteristics are measured for parallel wires coupled by a ballistic window. The structure is fabricated by focused Ga ion-beam scanning and subsequent annealing. The size of the structure is modified by in-plane-gated operation. At zero magnetic field, the transport characteristics are governed by the mode matching between one-dimensional modes in the wires and quasi-zero-dimensional modes in the window. When four-terminal resistance is measured as a function of in-plane-gate voltage, a small period oscillation is superimposed on the background oscillation corresponding to the subband population in each wire. At intermediate magnetic fields, Aharonov-Bohm interference effects are observed in both the magnetic field and the in-plane-gate voltage dependence. These originate from the circulating channel in the window. Theoretical calculations essentially reproduce the experimental results, supporting these explanations.
AB - Low-temperature (T50 mK) transport characteristics are measured for parallel wires coupled by a ballistic window. The structure is fabricated by focused Ga ion-beam scanning and subsequent annealing. The size of the structure is modified by in-plane-gated operation. At zero magnetic field, the transport characteristics are governed by the mode matching between one-dimensional modes in the wires and quasi-zero-dimensional modes in the window. When four-terminal resistance is measured as a function of in-plane-gate voltage, a small period oscillation is superimposed on the background oscillation corresponding to the subband population in each wire. At intermediate magnetic fields, Aharonov-Bohm interference effects are observed in both the magnetic field and the in-plane-gate voltage dependence. These originate from the circulating channel in the window. Theoretical calculations essentially reproduce the experimental results, supporting these explanations.
UR - http://www.scopus.com/inward/record.url?scp=0038856453&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.48.7991
DO - 10.1103/PhysRevB.48.7991
M3 - Article
AN - SCOPUS:0038856453
VL - 48
SP - 7991
EP - 7998
JO - Physical Review B
JF - Physical Review B
SN - 0163-1829
IS - 11
ER -