Upgrade of a variable temperature scanning tunneling microscope for nanometer-scale spectromicroscopy

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388963%3A_____%2F25%3A00605344" target="_blank" >RIV/61388963:_____/25:00605344 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/25:00639768 RIV/00216208:11320/25:10512136

Výsledek na webu

<a href="https://doi.org/10.1016/j.mex.2025.103156" target="_blank" >https://doi.org/10.1016/j.mex.2025.103156</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.mex.2025.103156" target="_blank" >10.1016/j.mex.2025.103156</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Upgrade of a variable temperature scanning tunneling microscope for nanometer-scale spectromicroscopy

Popis výsledku v původním jazyce

Tip-enhanced Raman spectroscopy (TERS), tip-enhanced photoluminescence (TEPL), and scanning tunneling microscope-induced luminescence (STML) combine the high spatial resolution of probe microscopies with the spectroscopic capabilities of optical techniques. Here, we describe the upgrade of an ultrahigh vacuum (UHV) variable-temperature scanning probe microscope (VTSPM) to perform tip-enhanced spectromicroscopy experiments at cryogenic temperatures. The home-made design includes a portable focusing lens (NA = 0.45) that allows the simultaneous collection and injection of light from the tip-sample junction while assuring easy tip and sample transfers. We demonstrate the capabilities of our upgrade to resolve electroluminescence (EL), Raman, and TERS spectra using plasmonically active probes (Ag and Au tips) on various surfaces. We are able to observe the vibrational levels of C 60 deposited on Ag(111) with a lateral resolution of similar to 2 nanometers. Moreover, we use the tunability of the gap plasmon distribution to observe intense anti-Stokes signals of C 60 , highlighting the spectral sensitivity of the system. This upgrade opens new possibilities for studying surface chemistry, catalysis, and molecular electronics at state-of-the-art spatial and spectral resolutions using accessible SPM systems. center dot Portable lens holder center dot In-situ adjustable position center dot Nanometer-scale vibrational spectroscopy

Název v anglickém jazyce

Upgrade of a variable temperature scanning tunneling microscope for nanometer-scale spectromicroscopy

Popis výsledku anglicky

Tip-enhanced Raman spectroscopy (TERS), tip-enhanced photoluminescence (TEPL), and scanning tunneling microscope-induced luminescence (STML) combine the high spatial resolution of probe microscopies with the spectroscopic capabilities of optical techniques. Here, we describe the upgrade of an ultrahigh vacuum (UHV) variable-temperature scanning probe microscope (VTSPM) to perform tip-enhanced spectromicroscopy experiments at cryogenic temperatures. The home-made design includes a portable focusing lens (NA = 0.45) that allows the simultaneous collection and injection of light from the tip-sample junction while assuring easy tip and sample transfers. We demonstrate the capabilities of our upgrade to resolve electroluminescence (EL), Raman, and TERS spectra using plasmonically active probes (Ag and Au tips) on various surfaces. We are able to observe the vibrational levels of C 60 deposited on Ag(111) with a lateral resolution of similar to 2 nanometers. Moreover, we use the tunability of the gap plasmon distribution to observe intense anti-Stokes signals of C 60 , highlighting the spectral sensitivity of the system. This upgrade opens new possibilities for studying surface chemistry, catalysis, and molecular electronics at state-of-the-art spatial and spectral resolutions using accessible SPM systems. center dot Portable lens holder center dot In-situ adjustable position center dot Nanometer-scale vibrational spectroscopy

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

MethodsX

ISSN

2215-0161

e-ISSN

2215-0161

Svazek periodika

14

Číslo periodika v rámci svazku

June

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

103156

Kód UT WoS článku

001402370000001

EID výsledku v databázi Scopus

2-s2.0-85215127557