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  1. Article: Joint Efforts Towards Capacity Building in International and Global Health.

    Hoffmann, Axel

    Public health reviews

    2022  Volume 43, Page(s) 1604688

    Language English
    Publishing date 2022-01-27
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 217531-9
    ISSN 2107-6952 ; 0301-0422
    ISSN (online) 2107-6952
    ISSN 0301-0422
    DOI 10.3389/phrs.2022.1604688
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 954: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  2. Article ; Online: Spin pumping gathers speed.

    Hoffmann, Axel

    Science (New York, N.Y.)

    2020  Volume 368, Issue 6487, Page(s) 135–136

    Language English
    Publishing date 2020-04-09
    Publishing country United States
    Document type Journal Article ; Comment
    ZDB-ID 128410-1
    ISSN 1095-9203 ; 0036-8075
    ISSN (online) 1095-9203
    ISSN 0036-8075
    DOI 10.1126/science.aba8388
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 27: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)
    Zs.MG 77: Show issues

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  3. Book ; Thesis: Elektrogustometrie

    Hoffmann, Axel

    Untersuchungen zur Effektivität einer bipolaren Unterdruckelektrode in der klinischen Praxis und zur Reproduzierbarkeit elektrogustometrischer Meßwerte

    1999  

    Author's details vorgelegt von Axel Hoffmann
    Language German
    Size III, 94 Bl., Ill., graph. Darst., 30 cm
    Edition [Mikrofiche-Ausg.]
    Publishing country Germany
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Rostock, Univ., Diss., 1999
    HBZ-ID HT013226611
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    2002 MB 55

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  4. Book ; Online: Influence of temperature, doping, and amorphization on the electronic structure and magnetic damping of iron

    Jiang, Zhihao / Hoffmann, Axel / Schleife, André

    2024  

    Abstract: Hybrid magnonic quantum systems have drawn increased attention in recent years for coherent quantum information processing, but too large magnetic damping is a persistent concern when metallic magnets are used. Their intrinsic damping is largely ... ...

    Abstract Hybrid magnonic quantum systems have drawn increased attention in recent years for coherent quantum information processing, but too large magnetic damping is a persistent concern when metallic magnets are used. Their intrinsic damping is largely determined by electron-magnon scattering induced by spin-orbit interactions. In the low scattering limit, damping is dominated by intra-band electronic transitions, which has been theoretically shown to be proportional to the electronic density of states at the Fermi level. In this work, we focus on body-centered-cubic iron as a paradigmatic ferromagnetic material. We comprehensively study its electronic structure using first-principles density functional theory simulations and account for finite lattice temperature, boron (B) doping, and structure amorphization. Our results indicate that temperature induced atomic disorder and amorphous atomic geometries only have a minor influence. Instead, boron doping noticeably decreases the density of states near the Fermi level with an optimal doping level of 6.25%. In addition, we show that this reduction varies significantly for different atomic geometries and report that the highest reduction correlates with a large magnetization of the material. This may suggest materials growth under external magnetic fields as a route to explore in experiment.
    Keywords Condensed Matter - Materials Science ; Physics - Computational Physics
    Subject code 530
    Publishing date 2024-01-15
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Book ; Online: Dynamic Fingerprints of Synthetic Antiferromagnet Nanostructures with Interfacial Dzyaloshinskii-Moriya Interaction

    Lonsky, Martin / Hoffmann, Axel

    2022  

    Abstract: Synthetic antiferromagnet (SAF) nanostructures with interfacial Dzyaloshinskii-Moriya interaction can host topologically distinct spin textures such as skyrmions and thus are regarded as promising candidates for both spintronics and magnonics ... ...

    Abstract Synthetic antiferromagnet (SAF) nanostructures with interfacial Dzyaloshinskii-Moriya interaction can host topologically distinct spin textures such as skyrmions and thus are regarded as promising candidates for both spintronics and magnonics applications. Here, we present comprehensive micromagnetic simulations of such material systems and discuss the rich phase diagrams that contain various types of magnetic configurations. Aside from the static properties, we further discuss the resonant excitations of the calculated magnetic states which include individual skyrmions and skyrmioniums. Finally, the internal modes of SAF skyrmion clusters are studied and discussed in the context of magnetic sensing applications based on the dynamic fingerprint in broadband ferromagnetic resonance measurements.

    Comment: 9 pages, 5 figures
    Keywords Condensed Matter - Mesoscale and Nanoscale Physics ; Condensed Matter - Materials Science
    Publishing date 2022-06-01
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article: Artikelstammdaten: Healthcare Content Data Portal (HCDP) avanciert zum Branchenstandard

    Bumm, Benedikt / Hoffmann, Axel

    Klinik Einkauf

    2022  Volume 04, Issue 05, Page(s) 21–23

    Abstract: Das Healthcare Content Data Portal (HCDP) bringt Entlastungen für die Stammdatenpflege: Für alle elektronischen Prozesse entlang Einkauf und Logistik stehen mit dem Portal Artikelinformationen in einem einheitlichen Format und in geprüfter Qualität ... ...

    Abstract Das Healthcare Content Data Portal (HCDP) bringt Entlastungen für die Stammdatenpflege: Für alle elektronischen Prozesse entlang Einkauf und Logistik stehen mit dem Portal Artikelinformationen in einem einheitlichen Format und in geprüfter Qualität bereit. Inzwischen ist das Portal als Branchenlösung etabliert und wurde von der GS1 mit dem Healthcare Award 2022 ausgezeichnet.
    Language German
    Publishing date 2022-10-01
    Publisher Georg Thieme Verlag KG
    Publishing place Stuttgart ; New York
    Document type Article
    ISSN 2627-0455 ; 2627-0439
    ISSN (online) 2627-0455
    ISSN 2627-0439
    DOI 10.1055/s-0042-1758101
    Database Thieme publisher's database

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  7. Article ; Online: Adaptation of the CUGH global health competency framework in the Chinese context: a mixed-methods study.

    Ding, Wei / Guan, Yayi / Peterhans, Bernadette / Hoffmann, Axel / Zhou, Xiao-Nong

    Global health research and policy

    2023  Volume 8, Issue 1, Page(s) 46

    Abstract: Background: In 2014, the Consortium of Universities for Global Health (CUGH) developed a global health competency framework and called for its validation. Given China's increasing engagement in global health over the past decade, there is a need for a ... ...

    Abstract Background: In 2014, the Consortium of Universities for Global Health (CUGH) developed a global health competency framework and called for its validation. Given China's increasing engagement in global health over the past decade, there is a need for a tailored competency framework to enhance the capacity of its workforce. This study aimed to localize the CUGH global health framework within the Chinese context, offering guidance to public health professionals in China to bolster their capabilities for international endeavors.
    Methods: Employing a modified Delphi consultation approach, this study adapted the CUGH global health competency framework through three consultation rounds and a panel discussion. A questionnaire employing a five-point Likert scale was developed to gather opinions from 37 experts on the significance and feasibility of each competency within the Chinese setting. Profiling information, judgment criteria, and familiarity with each competency were collected to assess experts' authority levels. Furthermore, a priority survey was administered to 51 experts to identify key competencies and provide recommendations for bolstering the capabilities of China's public health professionals. Data analysis was performed using Microsoft Excel.
    Results: The adapted framework comprises 10 domains and 37 competencies including: 1. Global Burden of Disease; 2. Social-economic, Environmental and Behavioral Determinants of Health; 3. The Impact of Globalization on Population Health, Health Systems, and Healthcare; 4. Major Global health initiatives and efforts; 5. Ethics, Health Equity and Social Justice; 6. Sociocultural, Political Awareness and Policy Promotion; 7. Personal Competencies and Professional Practice; 8. Capacity strengthening; 9. Collaboration, Partnering and Communication; 10. Programme Management. The priority survey underscored Domain 9, 10, and 4 as the foremost concern for Chinese public health professionals, urging active learning, critical thinking, open communication, experiential learning, and case-based studies. Institutions were advised to enhance their capacity, foster partnerships, and discern China's distinct role in the global health arena.
    Conclusions: This study adapted the CUGH framework within the Chinese context, evaluating the significance and feasibility of each competency. The adapted framework can serve as a tool for developing global health curricula and delineating roles for Chinese public health professionals. To ensure contextual compatibility, testing of the framework with diverse public health professionals is recommended, enabling precise refinement of competencies based on empirical results.
    MeSH term(s) Humans ; Global Health ; Universities ; Curriculum ; Public Health ; Problem-Based Learning
    Language English
    Publishing date 2023-11-02
    Publishing country England
    Document type Journal Article
    ISSN 2397-0642
    ISSN (online) 2397-0642
    DOI 10.1186/s41256-023-00327-w
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Book ; Thesis: Sterben in der Medizinischen Universitätsklinik Köln

    Hoffmann, Axel

    e. Studie d. Jahre 1976 - 1981 an 1106 verstorbenen Patienten

    1988  

    Keywords Mortality / Köln / statistics ; Hospitals, University / Köln ; Köln / mortality / statistics ; Köln / hospitals, university
    Size VIII, 185 S.
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Köln, Univ., Diss., 1988
    HBZ-ID HT003128479
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    88 D 1437

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  9. Book ; Online: Dynamic Excitations of Chiral Magnetic Textures

    Lonsky, Martin / Hoffmann, Axel

    2020  

    Abstract: Spin eigenexcitations of skyrmions and related chiral magnetic textures have attracted considerable interest over the recent years owing to their strong potential for applications in information processing and microwave devices. The emergence of novel ... ...

    Abstract Spin eigenexcitations of skyrmions and related chiral magnetic textures have attracted considerable interest over the recent years owing to their strong potential for applications in information processing and microwave devices. The emergence of novel material systems, such as synthetic ferri- and antiferromagnets, the continuing progress in micro- and nanofabrication techniques, and the development of more sophisticated characterization methods will undoubtedly provide a further boost to this young particular line of research. This Perspective summarizes the most significant advances during the past years and indicates future directions of both theoretical and experimental work.

    Comment: This is a revised version of an article submitted to APL Materials as a Perspective. After it is published, it will be found at https://aip.scitation.org/journal/apm
    Keywords Condensed Matter - Mesoscale and Nanoscale Physics ; Condensed Matter - Materials Science
    Publishing date 2020-08-26
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Book ; Online: Coupled skyrmion breathing modes in synthetic ferri- and antiferromagnets

    Lonsky, Martin / Hoffmann, Axel

    2020  

    Abstract: We present micromagnetic simulations of the dynamic GHz-range resonance modes of skyrmions excited by either out-of-plane ac magnetic fields or spin torques in prototypical synthetic ferri- and antiferromagnetic trilayer structures. The observed features ...

    Abstract We present micromagnetic simulations of the dynamic GHz-range resonance modes of skyrmions excited by either out-of-plane ac magnetic fields or spin torques in prototypical synthetic ferri- and antiferromagnetic trilayer structures. The observed features in the calculated power spectra exhibit a systematic dependence on the coupling strength between the individual magnetic layers and are related to pure in-phase and anti-phase breathing modes as well as to hybridizations of breathing and spin-wave modes that are characteristic for the considered circular-shaped geometry. The experimental detection of these resonant oscillation modes may provide a means for skyrmion sensing applications and for the general characterization of skyrmion states in multilayer stacks with antiferromagnetic interlayer exchange coupling.

    Comment: Accepted for publication in Physical Review B
    Keywords Condensed Matter - Mesoscale and Nanoscale Physics ; Condensed Matter - Materials Science
    Subject code 535
    Publishing date 2020-06-19
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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