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The surface termination of a Fe (III) spin crossover molecular salt.
J Phys Condens Matter
January 2025
Department of Physics and Astronomy, University of Nebraska, 855 North 16th Street, Lincoln , 68588-0299, UNITED STATES.
From a comparison of the known molecular stoichiometry and X-ray photoemission spectroscopy (XPS), it is evident that the Fe(III) spin crossover salt [Fe(qsal)2Ni(dmit)2], where qsal = N(8quinolyl)salicylaldimine, and dmit2- = 1,3-dithiol-2-thione-4,5-dithiolato has a preferential surface termination with the Ni(dmit)2 moiety. This preferential surface termination leads to a significant surface to bulk core level shift for the Ni 2p X-ray photoemission core level, not seen in the corresponding Fe 2p core level spectra. A similar surface to bulk core level shift is seen in Pd 3d in the related [Fe(qsal)2]2Pd(dmit)2, ], where qsal = N(8quinolyl)salicylaldimine, and dmit2- = 1,3-dithiol-2-thione-4,5-dithiolato.
View Article and Find Full Text PDFTopochemical Synthesis and Electronic Structure of High-Crystallinity Infinite-Layer Nickelates on an Orthorhombic Substrate.
Nano Lett
January 2025
Department of Physics, Hong Kong Institute for Advanced Study, City University of Hong Kong, Kowloon, Hong Kong 999077, China.
Superconductivity in infinite-layer nickelates has stirred much research interest, to which questions regarding the nature of superconductivity remain elusive. A critical leap forward to address these intricate questions is through the growth of high-crystallinity infinite-layer nickelates, including the "parent" phase. Here, we report the synthesis of a high-quality thin-film nickelate, NdNiO.
View Article and Find Full Text PDFIntraoperative Skull Fracture During Halo Application in Subcranial Le Fort III: Strategies for Managing a Rare Complication.
J Craniofac Surg
January 2025
Division of Pediatric Craniofacial Surgery, Nemours Children's Health, Jacksonville, FL.
External rigid distraction is an established method for achieving subcranial Le Fort III advancement in severe syndromic craniosynostosis. Craniofacial surgeons commonly use halo-type devices for these corrections, as they allow for multiple vectors of pull and facilitate larger midfacial advancements. Although most complications related to their use involve pin displacement or infection, rare complications such as skull fractures have been reported.
View Article and Find Full Text PDF[Development of paranasal sinus surgery in Austria and Switzerland: past, present, and future].
HNO
January 2025
Zentrum für HNO- und plastische Gesichtschirurgie, ORL-Zentrum Klinik Hirslanden, Zürich, Schweiz.
Thanks to our predecessors and technical progress, we can nowadays offer our patients a safe and modern paranasal sinus surgery. This article provides an overview of the historical development of paranasal sinus surgery in Austria and Switzerland and to shed light on the dynamic progress of this discipline in an international context. Paranasal sinus surgery has undergone significant change in recent decades, driven by rapid technological advances that have significantly improved surgical procedures and operative outcomes.
View Article and Find Full Text PDFVolumetric Analysis of Orbital Volume Discrepancy as a Marker of Change in Globe Position After Three-Point Fixation of Zygomatic Complex Fractures.
J Oral Maxillofac Surg
December 2024
Professor, Department of Oral and Maxillofacial Surgery, College of Dentistry, Qassim University, Saudi Arabia; Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry for Girls, AL-Azhar University, Cairo, Egypt. Electronic address:
Background: Many researchers have proposed incorporating orbital volume (OV) discrepancies between the affected and unaffected orbits into routine diagnostic processes as an indicator for early surgical repair of zygomatic complex fractures (ZMCFxs) to avoid postoperative ocular complications.
Purpose: The study aimed to determine the correlation between the preoperative OV discrepancy and postoperative globe position.
Study Design, Setting, Sample: A retrospective cohort study was performed on patients with unilateral ZMCFxs associated with orbital floor fractures, treated at Al-Zahraa Hospital, Al-Azhar University, from January 2020 to July 2023.
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