Karl-Heinz Ernst
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Explore the profile of Karl-Heinz Ernst including associated specialties, affiliations and a list of published articles.
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90
Citations
466
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Recent Articles
11.
Frezza F, Sanchez-Grande A, Ondracek M, Vondracek M, Chen Q, Stetsovych O, et al.
J Phys Condens Matter
. 2023 May;
35(33).
PMID: 37168002
Two-dimensional (2D) layered group IV-VI semiconductors attract great interest due to their potential applications in nanoelectronics. Depending on the dimensionality, different phases of the same material can present completely different...
12.
Voigt J, Martin K, Neziri E, Baljozovic M, Wackerlin C, Avarvari N, et al.
Chemistry
. 2023 Mar;
29(28):e202300134.
PMID: 36856040
The on-surface dimerization into bis(hexahelicene) on a gold(111) surface has been studied by means of scanning tunneling microscopy and time-of-flight secondary mass spectrometry. C-C Ullmann coupling of (rac)-2-bromo-hexahelicene leads to...
13.
Srivastava G, Stacko P, Mendieta-Moreno J, Edalatmanesh S, Kistemaker J, Heideman G, et al.
ACS Nano
. 2023 Feb;
17(4):3931-3938.
PMID: 36794964
Excitation of single molecules with electrons tunneling between a sharp metallic tip of a scanning tunneling microscope and a metal surface is one way to study and control dynamics of...
14.
Safari M, Matthes F, Ernst K, Burgler D, Schneider C
Nanomaterials (Basel)
. 2022 Oct;
12(19).
PMID: 36234411
The discovery of chirality-induced spin selectivity (CISS), resulting from an interaction between the electron spin and handedness of chiral molecules, has sparked interest in surface-adsorbed chiral molecules due to potential...
15.
Irziqat B, Cebrat A, Baljozovic M, Martin K, Parschau M, Avarvari N, et al.
Chemistry
. 2021 Aug;
27(54):13523-13526.
PMID: 34387926
Flattening helices while keeping the handedness: On-surface cyclodehydrogenation of bishelicene enantiomers leads stereospecifically to (M,M) and (P,P) chiral planar polyaromatic hydrocarbons. This is followed by their homochiral aggregation into a...
16.
Voigt J, Roy M, Baljozovic M, Wackerlin C, Coquerel Y, Gingras M, et al.
Chemistry
. 2021 May;
27(40):10251-10254.
PMID: 34042228
The chiral self-assembly of trispentahelicene propellers on a gold surface has been investigated in ultrahigh vacuum by means of scanning tunneling microscopy and time-of-flight secondary ion mass spectrometry. The trispentahelicene...
17.
Irziqat B, Berger J, Mendieta-Moreno J, Sundar M, Bedekar A, Ernst K
Chemphyschem
. 2021 Feb;
22(3):230.
PMID: 33533550
The front cover artwork is provided by Prof. Ernst from Empa. The image shows determination of the sense of helicity of trioxa[11]helicene enantiomers with an atomic force microscope, which allows...
18.
Irziqat B, Berger J, Mendieta-Moreno J, Sundar M, Bedekar A, Ernst K
Chemphyschem
. 2020 Dec;
22(3):293-297.
PMID: 33289221
The phenomenon of chiral crystallization into homochiral crystals is known for more than 170 years, yet it is still poorly understood. Studying crystallization on surfaces under well-defined condition seems a...
19.
Wackerlin C, Gallardo A, Mairena A, Baljozovic M, Cahlik A, Antalik A, et al.
ACS Nano
. 2020 Jul;
14(12):16735-16742.
PMID: 32687321
Functionalization of surfaces with derivatives of Buckminsterfullerene fragment molecules seems to be a promising approach toward bottom-up fabrication of carbon nanotube modified electrode surfaces. The modification of a Cu(100) surface...
20.
Chen H, Tao L, Wang D, Wu Z, Zhang J, Gao S, et al.
Angew Chem Int Ed Engl
. 2020 Jul;
59(40):17413-17416.
PMID: 32603012
The thermally induced cyclodehydrofluorization of iron tetrakis(pentafluorophenyl)porphyrin proceeded highly stereoselectively to give a prochiral product on a gold surface in an ultrahigh vacuum, whereas dehydrocyclization of the respective iron tetrakisphenylporphyrin...