Single-molecule quantum dot as a Kondo simulator - Nature
2017年6月30日 · A molecular quantum dot consisting of a single iron phthalocyanine (FePc) molecule attached to a Au(111) electrode and an STM tip serving as a counter electrode offers a good opportunity to...
Tuning the catalytic activity of Ag(110)-supported Fe ... - Nature
2012年10月21日 · A careful choice of the surface coverage of iron phthalocyanine (FePc) on Ag (110) around the single monolayer allows us to drive with high precision both the long-range supramolecular...
Coherent Spin Control of Single Molecules on a Surface
2021年11月12日 · Here, we demonstrate coherent spin manipulation of single molecules on a surface, which we control individually using a scanning tunneling microscope in combination with electron spin resonance. We previously found that iron phthalocyanine (FePc) molecules form a spin-1/2 system when placed on an insulating thin film of magnesium oxide (MgO).
Scanning tunneling microscope study of iron(II) phthalocyanine …
2008年2月1日 · The growth behavior of iron(II) phthalocyanine (FePc) molecules on Cu(1 1 1) and on NaCl/Cu(1 1 1) surfaces has been studied by a variable-temperature scanning tunneling microscope. Upon deposition at room temperature, FePc molecules with different adsorption configurations form short-ranged ordered domains on Cu(1 1 1). In the second FePc ...
Electron spin resonance of single iron phthalocyanine ... - Nature
2021年11月11日 · We show that the molecular spin density of FePc is both localized at the central Fe atom and also distributed to the ligands (Pc), which yields a strongly molecular-geometry-dependent exchange...
High resolution scanning-tunneling-microscopy imaging of …
2011年2月1日 · Ultrathin Iron (II) Phthalocyanine (FePc) monolayers have been employed to decouple individual FePc molecules electronically from the metallic substrate, which allows the intrinsic electronic structure of the free molecule to be preserved and imaged by means of low-temperature scanning tunneling microscopy (STM).
Single-Molecule Imaging of Iron-Phthalocyanine-Catalyzed …
2016年9月27日 · We report herein an in situ electrochemical scanning tunneling microscopy (ECSTM) investigation of iron-phthalocyanine (FePc)-catalyzed oxygen reduction reaction (ORR). A highly ordered FePc adlayer is revealed on a Au(111) electrode. The center ions in the FePc adlayer show uniform high contrast in …
Electrochemical scanning tunneling microscopy in electrocatalysis
2024年8月1日 · By employing FePc as the molecular model, the reversible evolution of molecular geometry during ORR is monitored, generating the nonplanar FePc at 0.4 V. Underextended cathodic polarization, the direct demetallation of FePc produces phthalocyanine (H 2 Pc) is confirmed by EC-STM imaging and Raman spectroscopy, providing molecular evidence for ...
An electrically controlled single molecule spin switch
22 小时之前 · The complex, which consists of an Fe adatom coupled to an iron phthalocyanine (FePc) molecule, can be reversibly switched between two stable states using voltage pulses locally via the tip of a scanning tunnelling microscope (STM). ... (STM). Inelastic electron tunnelling spectroscopy (IETS) measurements and density functional theory (DFT ...
Quantum Spin-Engineering in On-Surface Molecular Ferrimagnets
2024年10月24日 · Here, we showcase a strategy for designing the quantum properties of molecular spin qubits by combining tip-assisted on-surface assembly with electron spin resonance scanning tunneling microscopy (ESR-STM): We fabricate magnetic dimer complexes that consist of an iron phthalocyanine (FePc) molecule and an organometallic half-sandwich complex ...