Lea Kämmerer
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View article: Catalytic Activity of Cobalt Ferrites in Water Oxidation Reactions and Its Defect Dependency
Catalytic Activity of Cobalt Ferrites in Water Oxidation Reactions and Its Defect Dependency Open
CoFe 2 O 4 (CFO) nanoparticles were synthesized via controlled co‐precipitation with subsequent calcination at 400 °C, 500 °C, and 600 °C to systematically investigate the influence of thermal treatment on mesostructure, catalytic performa…
View article: Catalytic Activity of Cobalt Ferrites in Water Oxidation Reactions and Its Defect Dependency
Catalytic Activity of Cobalt Ferrites in Water Oxidation Reactions and Its Defect Dependency Open
CoFe 2 O 4 (CFO) nanoparticles were synthesized via controlled co‐precipitation with subsequent calcination at 400 °C, 500 °C, and 600 °C to systematically investigate the influence of thermal treatment on mesostructure, catalytic performa…
View article: Analysis of long-lived effects in high-repetition-rate stroboscopic transient X-ray absorption experiments on thin films
Analysis of long-lived effects in high-repetition-rate stroboscopic transient X-ray absorption experiments on thin films Open
Time-resolved X-ray absorption spectroscopy (tr-XAS) has been shown to be a versatile measurement technique for investigating non-equilibrium dynamics. Novel X-ray free electron laser (XFEL) facilities like the European XFEL offer increase…
View article: Lattice solvent- and substituent-dependent spin-crossover in isomeric iron(<scp>ii</scp>) complexes
Lattice solvent- and substituent-dependent spin-crossover in isomeric iron(<span>ii</span>) complexes Open
Studies on iron( ii ) complexes composed of isomeric ligands reveal that one of the complexes—1·CH 3 CN—undergoes bi-stable spin-state switching with T 1/2 = 298 K and ΔT 1/2 = 44 K.
View article: Femtosecond spin-state switching dynamics of spin-crossover molecules condensed in thin films
Femtosecond spin-state switching dynamics of spin-crossover molecules condensed in thin films Open
The photoinduced switching of Fe(II)-based spin-crossover complexes from singlet to quintet takes place at ultrafast time scales. This a priori spin-forbidden transition triggered numerous time-resolved experiments of solvated samples to e…
View article: CCDC 2233052: Experimental Crystal Structure Determination
CCDC 2233052: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2233051: Experimental Crystal Structure Determination
CCDC 2233051: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Photon-shot-noise-limited transient absorption soft X-ray spectroscopy at the European XFEL
Photon-shot-noise-limited transient absorption soft X-ray spectroscopy at the European XFEL Open
Femtosecond transient soft X-ray absorption spectroscopy (XAS) is a very promising technique that can be employed at X-ray free-electron lasers (FELs) to investigate out-of-equilibrium dynamics for material and energy research. Here, a ded…
View article: Defying the inverse energy gap law: a vacuum-evaporable Fe(<scp>ii</scp>) low-spin complex with a long-lived LIESST state
Defying the inverse energy gap law: a vacuum-evaporable Fe(<span>ii</span>) low-spin complex with a long-lived LIESST state Open
The novel vacuum-evaporable complex [Fe(pypypyr) 2 ] is in its LS state up to at least 510 K. Still, its light-induced HS state has a half time of several hours at 10 K, which is caused by a large structural difference between the two spin…
View article: Tailoring magnetic anisotropy by graphene-induced selective skyhook effect on 4f-metals
Tailoring magnetic anisotropy by graphene-induced selective skyhook effect on 4f-metals Open
XANES and XMCD measurements accompanied by theoretical ab initio CDD plots highlighting the graphene-induced selective skyhook effect.