Sumit Beniwal
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View article: Site selective adsorption of the spin crossover complex Fe(phen)2(NCS) on Au(111)
Site selective adsorption of the spin crossover complex Fe(phen)2(NCS) on Au(111) Open
The iron(II) spin crossover complex Fe(1,10-phenanthroline) 2 (NCS) 2 , dubbed Fe-phen, has been studied with scanning tunneling microscopy, after adsorption on the ‘herringbone’ reconstructed surface of Au(111) for sub-monolayer coverages…
View article: Coordination-Controlled C–C Coupling Products via <i>ortho</i>-Site C–H Activation
Coordination-Controlled C–C Coupling Products via <i>ortho</i>-Site C–H Activation Open
The coordination-restricted ortho-site C-H bond activation and dehydrogenative homocoupling of 4,4'-(1,3-phenylene)dipyridine (1,3-BPyB) and 4,4'-(1,4-phenylene)dipyridine (1,4-BPyB) on different metal surfaces were studied by a combinatio…
View article: Magnetism of new metastable cobalt-nitride compounds
Magnetism of new metastable cobalt-nitride compounds Open
New metastable hexagonal Co3N structure and its magnetic transition shown by neutron diffraction.
View article: Locking and Unlocking the Molecular Spin Crossover Transition
Locking and Unlocking the Molecular Spin Crossover Transition Open
The Fe(II) spin crossover complex [Fe{H 2 B(pz) 2 } 2 (bipy)] (pz = pyrazol‐1‐yl, bipy = 2,2′‐bipyridine) can be locked in a largely low‐spin‐state configuration over a temperature range that includes temperatures well above the thermal sp…
View article: Graphene-like Boron–Carbon–Nitrogen Monolayers
Graphene-like Boron–Carbon–Nitrogen Monolayers Open
A strategy to synthesize a 2D graphenic but ternary monolayer containing atoms of carbon, nitrogen, and boron, h-BCN, is presented. The synthesis utilizes bis-BN cyclohexane, B2N2C2H12, as a precursor molecule and relies on thermally induc…
View article: Surface-induced spin state locking of the [Fe(H<sub>2</sub>B(pz)<sub>2</sub>)<sub>2</sub>(bipy)] spin crossover complex
Surface-induced spin state locking of the [Fe(H<sub>2</sub>B(pz)<sub>2</sub>)<sub>2</sub>(bipy)] spin crossover complex Open
Temperature- and coverage-dependent studies of the Au(1 1 1)-supported spin crossover Fe(II) complex (SCO) of the type [Fe(H2B(pz)2)2(bipy)] with a suite of surface-sensitive spectroscopy and microscopy tools show that the substrate inhibi…
View article: Structure and Proton-Transfer Mechanism in One-Dimensional Chains of Benzimidazoles
Structure and Proton-Transfer Mechanism in One-Dimensional Chains of Benzimidazoles Open
Planar, 1D and hydrogen-bonded chains of benzimidazole molecules have been fabricated through surface-assisted self-assembly on Ag(111) and Au(111) and investigated with scanning tunneling microscopy. The hydrogen bond between the benzimid…
View article: 2D Cocrystallization from H-Bonded Organic Ferroelectrics
2D Cocrystallization from H-Bonded Organic Ferroelectrics Open
The synthesis of 2D H-bonded cocrystals from the room-temperature ferroelectric organics croconic acid (CA) and 3-hydroxyphenalenone (3-HPLN) is demonstrated through self-assembly on a substrate under ultrahigh vacuum. 2D cocrystal polymor…
View article: Self-assembly of strongly dipolar molecules on metal surfaces
Self-assembly of strongly dipolar molecules on metal surfaces Open
The role of dipole-dipole interactions in the self-assembly of dipolar organic molecules on surfaces is investigated. As a model system, strongly dipolar model molecules, p-benzoquinonemonoimine zwitterions (ZI) of type C6H2(⋯ NHR)2(⋯ O)2 …