Jan Voogd

Leiden University

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Rudolf Nieuwenhuys

Netherlands Institute for Neuroscience

Christiaan van Huijzen

Radboud University Nijmegen

Tjerk H. Oosterkamp

Leiden University

J. J. T. Wagenaar

Leiden University

A. M. J. den Haan

Leiden University

Christiaan Van Huijzen

Radboud University Nijmegen

M. de Wit

SRON Netherlands Institute for Space Research

E. Marani

Cenderawasih University

A. J. P. Boesten

Leiden University

Nick Gerrits

Leiden University

Cooperative Institutions

Leiden University

Delft University of Technology

European Synchrotron Radiation Facility

Huygens Institute for History and Culture of the Netherlands

University of Patras

Foundation for Research and Technology Hellas

CEA Grenoble

Commissariat à l'Énergie Atomique et aux Énergies Alternatives

Université Grenoble Alpes

Radboud University Nijmegen

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Das Zentralnervensystem des Menschen

Springer eBooks (1991)

Rudolf Nieuwenhuys Jan Voogd Christiaan van Huijzen

10.1007/978-3-642-86091-1

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Citations (83)

Probing the Nuclear Spin-Lattice Relaxation Time at the Nanoscale

Physical Review Applied (2016)

J. J. T. Wagenaar A. M. J. den Haan Jan Voogd Lucia Bossoni Tobias A. de Jong

The nuclear spin-lattice relaxation time ${T}_{1}$ is an important probe of the electronic properties of solids, but here traditional NMR methods struggle due to weak signals, so advanced tools like magnetic resonance force microscopy (MRFM) are needed. The authors extend high-resolution MRFM to measure ${T}_{1}$ at a temperature of 42 mK, a 100-fold improvement, with a 1000-fold increase in volume sensitivity. This opens up the possibility to measure the magnetic properties of oxide interfaces, topological insulators, high-${T}_{c}$ superconductors, and other strongly correlated electron systems.

Lattice (music)

10.1103/physrevapplied.6.014007

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Citations (10)

Vestibular nuclear efferents to the nucleus raphe pontis, the nucleus reticularis tegmenti pontis and the nuclei pontis in the cat.

PubMed (1985)

Nick Gerrits Jan Voogd Ioannis Magras

Serotonergic cell groups

Medial longitudinal fasciculus

Dorsal raphe nucleus

Tegmentum

Raphe nuclei

Raphe

Oculomotor nucleus

Medial vestibular nucleus

Lateral vestibular nucleus

Red nucleus

Source

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Citations (24)

Makroskopische Anatomie

Springer eBooks (1980)

Rudolf Nieuwenhuys Jan Voogd Christiaan van Huijzen

10.1007/978-3-642-96569-2_2

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Citations (1)

Gross Anatomy

Springer eBooks (1981)

Rudolf Nieuwenhuys Jan Voogd Christiaan van Huijzen

Gross anatomy

10.1007/978-3-662-02333-4_2

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Makroskopische Anatomie

Springer eBooks (1991)

Rudolf Nieuwenhuys Jan Voogd Christiaan van Huijzen

10.1007/978-3-642-86091-1_2

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A retropharyngeal approach to the avian brain stem

American Journal of Anatomy (1977)

G.J. Vielvoye S. L. Freedman Jan Voogd

Abstract The surgical steps used to expose the ventral surface of the chicken's rhombencephalon are detailed. Both acute and chronic experimental preparations can be obtained with this technique. Text material and illustrations provide information on the morphological relationships of the brain stem, skull and other significant structures encountered during the operative procedure.

10.1002/aja.1001480308

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Citations (2)

Spin-mediated dissipation and frequency shifts of a cantilever at milliKelvin temperatures

Physical Review B (2015)

A. M. J. den Haan J. J. T. Wagenaar Jan Voogd Geert De Koning Tjerk H. Oosterkamp

We measure the dissipation and frequency shift of a magnetically coupled cantilever in the vicinity of a silicon chip, down to $25$ mK. The dissipation and frequency shift originates from the interaction with the unpaired electrons, associated with the dangling bonds in the native oxide layer of the silicon, which form a two dimensional system of electron spins. We approach the sample with a $3.43$ $\mu$m-diameter magnetic particle attached to an ultrasoft cantilever, and measure the frequency shift and quality factor as a function of temperature and the distance. Using a recent theoretical analysis [J. M. de Voogd et al., arXiv:1508.07972 (2015)] of the dynamics of a system consisting of a spin and a magnetic resonator, we are able to fit the data and extract the relaxation time $T_1=0.39\pm0.08$ ms and spin density $\sigma=0.14\pm0.01$ spins per nm$^2$. Our analysis shows that at temperatures $\leq500$ mK magnetic dissipation is an important source of non-contact friction.

10.1103/physrevb.92.235441

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Citations (13)

Dissipation and resonance frequency shift of a resonator magnetically coupled to a semiclassical spin

arXiv (Cornell University) (2015)

Jan Voogd J. J. T. Wagenaar Tjerk H. Oosterkamp

We calculate the change of the properties of a resonator, when coupled to a semiclassical spin by means of the magnetic field. Starting with the Lagrangian of the complete system, we provide an analytical expression for the linear response function for the motion of the resonator, thereby considering the influence of the resonator on the spin and vice versa. This analysis shows that the resonance frequency and effective dissipation factor can change significantly due to the relaxation times of the spin. We first derive this for a system consisting of a spin and mechanical resonator and thereafter apply the same calculations to an electromagnetic resonator. Moreover, the applicability of the method is generalized to a resonator coupled to general two and more level systems, providing a key to understand some of the problems of two level systems in quantum devices.

Semiclassical physics

10.48550/arxiv.1508.07972

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Citations (2)

Longitudinal zonal differentiation during corticogenesis in Macaca mulatta

International Journal of Developmental Neuroscience (1983)

Jan Voogd Rita M. Kappel

Corticogenesis

Presentation (obstetrics)

10.1016/0736-5748(83)90371-4

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