Abstract
Quasi-one-dimensional (Q1D) structures comprising a compact array of indefinitely long 1D nanowires (NWs) are scarce, especially in a bulk device-scale showing metallic and semiconducting behaviors along different axes. Unlike plentiful observations of nature of defects in three-/two-dimensional materials, there is a notable paucity of such reports in Q1D. Herein we present unconventional motific defects and their properties in a bulk Q1D KMn6Bi5 crystal, in which an individual NW motif acts as one body. We discovered motific inter- and intra-NW defects, such that a linear set of 1D motifs are displaced. Stress generates two domains with altered inter-NW spacings and a Bi-Mn solid solution grain, leading to a local bulk plasmon shift due to NW array reconfiguration as well as atomic rearrangement. The observation of such exotic defects and associated phenomena in this Q1D may provide guidance on overall defect mechanism in other Q1D systems and their collective anisotropic properties.
| Original language | English |
|---|---|
| Pages (from-to) | 7476-7486 |
| Number of pages | 11 |
| Journal | Nano letters |
| Volume | 19 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - Oct 9 2019 |
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Keywords
- KMnBi
- local bulk plasmon shift by motific reconfiguration
- motific inter- and intra-nanowire defects
- Quasi-one-dimensional
- stress-induced motific deformation
ASJC Scopus subject areas
- Bioengineering
- Chemistry(all)
- Materials Science(all)
- Condensed Matter Physics
- Mechanical Engineering
Cite this
Unconventional Defects in a Quasi-One-Dimensional KMn6Bi5 . / Jung, Hee Joon; Bao, Jin Ke; Chung, Duck Young; Kanatzidis, Mercouri G.; Dravid, Vinayak P.
In: Nano letters, Vol. 19, No. 10, 09.10.2019, p. 7476-7486.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Unconventional Defects in a Quasi-One-Dimensional KMn6Bi5
AU - Jung, Hee Joon
AU - Bao, Jin Ke
AU - Chung, Duck Young
AU - Kanatzidis, Mercouri G.
AU - Dravid, Vinayak P.
PY - 2019/10/9
Y1 - 2019/10/9
N2 - Quasi-one-dimensional (Q1D) structures comprising a compact array of indefinitely long 1D nanowires (NWs) are scarce, especially in a bulk device-scale showing metallic and semiconducting behaviors along different axes. Unlike plentiful observations of nature of defects in three-/two-dimensional materials, there is a notable paucity of such reports in Q1D. Herein we present unconventional motific defects and their properties in a bulk Q1D KMn6Bi5 crystal, in which an individual NW motif acts as one body. We discovered motific inter- and intra-NW defects, such that a linear set of 1D motifs are displaced. Stress generates two domains with altered inter-NW spacings and a Bi-Mn solid solution grain, leading to a local bulk plasmon shift due to NW array reconfiguration as well as atomic rearrangement. The observation of such exotic defects and associated phenomena in this Q1D may provide guidance on overall defect mechanism in other Q1D systems and their collective anisotropic properties.
AB - Quasi-one-dimensional (Q1D) structures comprising a compact array of indefinitely long 1D nanowires (NWs) are scarce, especially in a bulk device-scale showing metallic and semiconducting behaviors along different axes. Unlike plentiful observations of nature of defects in three-/two-dimensional materials, there is a notable paucity of such reports in Q1D. Herein we present unconventional motific defects and their properties in a bulk Q1D KMn6Bi5 crystal, in which an individual NW motif acts as one body. We discovered motific inter- and intra-NW defects, such that a linear set of 1D motifs are displaced. Stress generates two domains with altered inter-NW spacings and a Bi-Mn solid solution grain, leading to a local bulk plasmon shift due to NW array reconfiguration as well as atomic rearrangement. The observation of such exotic defects and associated phenomena in this Q1D may provide guidance on overall defect mechanism in other Q1D systems and their collective anisotropic properties.
KW - KMnBi
KW - local bulk plasmon shift by motific reconfiguration
KW - motific inter- and intra-nanowire defects
KW - Quasi-one-dimensional
KW - stress-induced motific deformation
UR - http://www.scopus.com/inward/record.url?scp=85072973338&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85072973338&partnerID=8YFLogxK
U2 - 10.1021/acs.nanolett.9b03237
DO - 10.1021/acs.nanolett.9b03237
M3 - Article
C2 - 31512881
AN - SCOPUS:85072973338
VL - 19
SP - 7476
EP - 7486
JO - Nano Letters
JF - Nano Letters
SN - 1530-6984
IS - 10
ER -