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Charge Transfer and Orbital Reconstruction at an Organic-Oxide Interface

Caputo, Marco LU ; Studniarek, Michał ; Guedes, Eduardo Bonini ; Schio, Luca ; Baiseitov, Kassymkhan ; Daffé, Niéli ; Bachellier, Nicolas ; Chikina, Alla ; Di Santo, Giovanni and Verdini, Alberto , et al. (2023) In Nano Letters 23(23). p.11211-11218
Abstract

The two-dimensional electron system (2DES) located at the surface of strontium titanate (STO) and at several other STO-based interfaces has been an established platform for the study of novel physical phenomena since its discovery. Here we report how the interfacing of STO and tetracyanoquinodimethane (TCNQ) results in a charge transfer that depletes the number of free carriers at the STO surface, with a strong impact on its electronic structure. Our study paves the way for efficient tuning of the electronic properties, which promises novel applications in the framework of oxide/organic-based electronics.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
charge transfer, conductivity, orbital reorganization, STO, TCNQ
in
Nano Letters
volume
23
issue
23
pages
8 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • pmid:38029285
  • scopus:85179616498
ISSN
1530-6984
DOI
10.1021/acs.nanolett.3c03713
language
English
LU publication?
yes
id
d5d2408f-b3fc-4eb2-9c71-4fef7f43c95a
date added to LUP
2024-01-11 11:29:01
date last changed
2024-04-12 04:21:40
@article{d5d2408f-b3fc-4eb2-9c71-4fef7f43c95a,
  abstract     = {{<p>The two-dimensional electron system (2DES) located at the surface of strontium titanate (STO) and at several other STO-based interfaces has been an established platform for the study of novel physical phenomena since its discovery. Here we report how the interfacing of STO and tetracyanoquinodimethane (TCNQ) results in a charge transfer that depletes the number of free carriers at the STO surface, with a strong impact on its electronic structure. Our study paves the way for efficient tuning of the electronic properties, which promises novel applications in the framework of oxide/organic-based electronics.</p>}},
  author       = {{Caputo, Marco and Studniarek, Michał and Guedes, Eduardo Bonini and Schio, Luca and Baiseitov, Kassymkhan and Daffé, Niéli and Bachellier, Nicolas and Chikina, Alla and Di Santo, Giovanni and Verdini, Alberto and Goldoni, Andrea and Muntwiler, Matthias and Piamonteze, Cinthia and Floreano, Luca and Radovic, Milan and Dreiser, Jan}},
  issn         = {{1530-6984}},
  keywords     = {{charge transfer; conductivity; orbital reorganization; STO; TCNQ}},
  language     = {{eng}},
  number       = {{23}},
  pages        = {{11211--11218}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Nano Letters}},
  title        = {{Charge Transfer and Orbital Reconstruction at an Organic-Oxide Interface}},
  url          = {{http://dx.doi.org/10.1021/acs.nanolett.3c03713}},
  doi          = {{10.1021/acs.nanolett.3c03713}},
  volume       = {{23}},
  year         = {{2023}},
}