W.Th. Wenckebach, H. Hoogstraate, T.J.B. Swanenburg, N.J. Poulis:
Non-Exponential Bahaviour of the Polarization of Protons in
(Zn,Cu)K2(SO4)2.6H2O
Phys. Lett. 26A (1968) 203-204
doi: /10.1016/0375-9601(68)90121-7
W.Th. Wenckebach, G.M. van den Heuvel, H. Hoogstraate,
T.J.B. Swanenburg, N.J. Poulis
Experimental Proof of the Strong Coupling between the Electron Spin
Reservoir and a Nuclear Spin System in Dilute Paramagnetic Salts
Phys. Rev. Lett. 22 (1969) 581-583
doi: 10.1103/PhysRevLett.22.581
W.Th. Wenckebach, T.J.B. Swanenburg, N.J. Poulis:
Nuclear Dynamic Polarization of Protons in Diluted Copper-Tutton Salts. I
Physica 46 (1970) 303-314
doi: 10.1016/0031-8914(70)90230-2
W.Th. Wenckebach, T.J.B. Swanenburg, N.J. Poulis:
Nuclear Dynamic Polarization of Protons in
Diluted Copper-Tutton Salts. II
Physica 50 (1970) 289-307
doi: 10.1016/0031-8914(70)90007-8
W.Th. Wenckebach, L.A.H. Schreurs, H. Hoogstraate
T.J.B. Swanenburg, N.J. Poulis:
Distant ENDOR in Diluted Copper Tutton Salts
Physica 52 (1970) 455-480
doi: 10.1016/0031-8914(71)90177-7
H. Hoogstraate, J. van Houten, L.A.H. Schreurs,
W.Th. Wenckebach, N.J. Poulis:
Dynamic Polarization and Cross Relaxation in Diluted Copper Tutton Salts
Physica 65 (1973) 347-361
doi: 10.1016/0031-8914(73)90350-9
J.-F. Jacquinot, W.Th. Wenckebach, M. Chapellier, M. Goldman, A. Abragam:
Ferromagnétisme Nucléaire
C. R. Acad. Sc. Paris 278 (1974) 93-96
J.-F. Jacquinot, W.Th. Wenckebach, M. Goldman, A. Abragam:
Polarization and NMR Observation of 43Ca Nuclei in
CaF2
Phys. Rev. Lett. 32 (1974) 1096-1097
doi: 10.1103/PhysRevLett.32.1096
W.Th. Wenckebach, T.J.B. Swanenburg, N.J. Poulis:
Thermodynamics of Spin Systems in Paramagnetic Crystals
Phys. Rep. 14 (1974) 181-255
doi: 10.1016/0370-1573(74)90017-9
H. Hoogstraate, J. Poot, W.Th. Wenckebach, N.J. Poulis:
Cross Relaxation Measured by Pulsed ENDOR
Physica 79B (1975) 499-505
doi: 10.1016/0378-4363(75)90003-0
G.M. van den Heuvel, R.J.J. Brak, L.S.J.M. Henkens,
W.Th. Wenckebach, N.J. Poulis:
Proton Spin-Lattice Relaxation in Diluted Copper Tutton Salts
Physica 81B (1976) 53-70
doi: 10.1016/0378-4363(76)90238-2
H. Hoogstraate, J. Poot, W.Th. Wenckebach, N.J. Poulis:
Cross Relaxation and Spin Thermodynamics in some
Diluted Copper Tutton Salts
Physica 81B (1976) 71-83
doi: 10.1016/0378-4363(76)90239-4
S.F.J. Cox, S.F.J. Read, W.Th. Wenckebach:
Behaviour of Nuclear Spins near Highly Polarised Paramagnetic Centres
J. Phys. C: Solid State Phys. 10 (1977) 2917-2936
doi: 10.1088/0022-3719/10/15/025
J. van Houten, W.Th. Wenckebach, N.J. Poulis:
Proton Spin-Lattice Relaxation in Deuterated
Diluted Copper Tutton Salts
Physica 92B (1977) 201-209
doi: 10.1016/0378-4363(77)90020-1
J.C.M Sprenkels, W.Th. Wenckebach, N.J. Poulis, S.F.J. Cox:
La Conservation du Moment Cinétique et le Mélange Thermique
des Systèmes de Spin
C. R. Acad. Sc. Paris 285 (1977) 231-234
J. van Houten, W.Th. Wenckebach, N.J. Poulis:
A Study of the Thermal Contact between the Nuclear Zeeman System
and the Electron Dipole-Dipole Interaction System
Physica 92B (1977) 210-220
doi: 10.1016/0378-4363(77)90021-3
J. Marks, W.Th. Wenckebach, N.J. Poulis:
Magnetic Ordering of Proton Spins in Ca(OH)2
Physica 96B (1979) 337-340
doi: 10.1016/0378-4363(79)90019-6
J. van Houten, W.Th. Wenckebach, N.J. Poulis:
Proton Concentration Dependence of the Proton Spin-Lattice Relaxation
Time in Diluted Copper Tutton Salts
Physica 100B (1980) 35-50
doi: 10.1016/0378-4363(80)90056-x
J. Poot, W.Th. Wenckebach, N.J. Poulis:
A Study of Cross Relaxation by Pulsed ENDOR. Part I: Theory
Physica 101B (1980) 329-353
doi: 10.1016/0378-4363(80)90032-7
J. Poot, W.Th. Wenckebach, N.J. Poulis:
A Study of Cross Relaxation by Pulsed ENDOR. Part II: Experiments
Physica 101B (1980) 354-363
doi: 10.1016/0378-4363(80)90033-9
L.J. de Haas, W.Th. Wenckebach, N.J. Poulis:
Magnetic Resonance Saturation in Solids at Finite Temperatures
Physica 103A (1980) 295-315
doi: 10.1016/0378-4371(80)90219-8
J. Marks, W.Th. Wenckebach, N.J. Poulis:
Properties of Electron-Irradiation-Produced
O2- in Ca(OH)2
J. Phys. C: Solid State Phys. 13 (1980) 5481-5494
doi: 10.1088/0022-3719/13/30/013
J. Poot, W.Th. Wenckebach, N.J. Poulis:
Proton Pulsed ENDOR Experiments in Deuterated Copper Tutton Salts
Physica 106B (1981) 368-387
doi: 10.1016/0378-4363(81)90067-x
L.J. de Haas, W.Th. Wenckebach, N.J. Poulis:
Magnetic Resonance Saturation and Cross Relaxation at Low Temperature
Physica 111B (1981) 219-230
doi: 10.1016/0378-4363(81)90099-1
B. van den Brandt, W. Griffioen, W.Th. Wenckebach, K. Taconis,
R. de Bruyn Ouboter
A Pomeranchuk Cell which is Precooled and Pressurized by a
He4 cycling He3-He4 dilution
Refrigerator
Cryogenics 22 (1982) 33-38
doi: 10.1016/0011-2275(82)90019-4
H.W. van Kesteren, W.Th. Wenckebach, J. Schmidt, N.J. Poulis
Dynamic Nuclear Polarization of Proton Spins via Photoexcited Triplet
States: The System Phenanthrene in Fluorene
Chem. Phys. Lett. 89 (1982) 67-70
doi: 10.1016/0009-2614(82)83344-7
J. Marks, J.C.M. Sprenkels, L.J. de Haas, W.Th. Wenckebach, N.J. Poulis:
The Onset of a Transverse Magnetic Ordering of Proton Spins
in Ca(OH)2
Physica 109 & 110B (1982) 2155-2158
doi: 10.1016/0378-4363(82)90267-4
J.C.M. Sprenkels, W.Th. Wenckebach, N.J. Poulis:
Ferromagnetic Ordering of the Proton Spins in Ca(OH)2
J. Phys. C: Solid State Phys. 15 (1982) L941-L947
doi: 10.1088/0022-3719/15/26/012
J.C.M. Sprenkels, W.Th. Wenckebach, N.J. Poulis:
Ferromagnetic Ordering of the Proton Spins in Ca(OH)2
at Negative Spin Temperatures
J. Phys. C: Solid State Phys. 16 (1983) 4425-4445
doi: 10.1088/0022-3719/16/22/017
L.J. de Haas, C.M.B. van der Zon, W.Th. Wenckebach, N.J. Poulis:
Spin-Lattice Relaxation at Low Temperatures in Ca(OH)2
Physica 123B (1983) 35-46
doi: 10.1016/0378-4363(83)90008-6
J.C.M. Sprenkels, W.Th. Wenckebach, N.J. Poulis:
Transverse Helicoidal Ordering of the Proton Spins in Ca(OH)2
at Positive Spin Temperatures
J. Phys. C: Solid State Phys. 18 (1985) 421-441
doi: 10.1088/0022-3719/18/2/020
W.Th. Wenckebach:
The Behaviour of Nuclear Spin Systems at Spin Temperatures below
1 μK
Physica 127BC (1984) 296-299
doi: 10.1016/s0378-4363(84)80046-7
C.M.B. van der Zon, W.Th. Wenckebach, N.J. Poulis:
The First Moment of the NMR Line of Polarized Nuclear Spins in
Cylindrical Bodies
Physica 128B (1985) 273-280
doi: 10.1016/0378-4363(85)90002-6
H.W. van Kesteren, W.Th. Wenckebach, J. Schmidt:
Production of High, Long-Lasting, Dynamic Proton Polarization
by way of Photoexcited Triplet States
Phys. Rev. Lett. 55 (1985) 1642-1644
doi: 10.1103/physrevlett.55.1642
H.W. van Kesteren, W.Th. Wenckebach, J. Schmidt
The Mechanism of Microwave Induced Optical Nuclear Polarization
in Fluorene doped with Phenanthrene: A Qualitative Analysis
Chem. Phys. Lett. 121 (1985) 440-445
doi: 10.1016/0009-2614(85)87210-9
H.W. van Kesteren, W.Th. Wenckebach, J. Schmidt
The Mechanism of Microwave Induced Optical Nuclear Polarization
in Fluorene doped with Phenanthrene: A Quantitative Analysis
Molecular Physics 58 (1986) 263-271
doi: 10.1080/00268978600101131
H.W. van Kesteren, W.Th. Wenckebach, J.A.J.M. Disselhorst:
A 75 GHz Spectrometer for Microwave-Induced Optical Nuclear Polarization
J. Phys. E: Sci. Instrum 20 (1987) 648-652
doi: 10.1088/0022-3735/20/6/015
G.D.F. van Velzen, W.Th. Wenckebach:
The Raman Electron Spin-Lattice Process for Diatomic Molecules
I. Theory for
Ca(OH)2:O2-
Physica 145B (1987) 85-100
doi: 10.1016/0378-4363(87)90070-2
G.D.F. van Velzen, J.C.M. Sprenkels, J.C. Voorhoeve, C.H.M. Meyer,
W. van Toledo, L. Korstanje, P. Box, W.Th. Wenckebach:
The Raman Electron Spin-Lattice Process for Diatomic Molecules
II. Experiments in
Ca(OH)2:O2-
Physica 145B (1987) 101-110
doi: 10.1016/0378-4363(87)90071-4
C.M.B. van der Zon, J. Marks, W.Th. Wenckebach, N.J. Poulis:
Dynamic Nuclear Polarization and Spin-Lattice Relaxation of the
Proton spins in Ca(OH)2
Physica 145B (1987) 153-164
doi: 10.1016/0378-4363(87)90077-5
A. Henstra, P. Dirksen, J. Schmidt, W.Th. Wenckebach
Nuclear Spin Orientation via Electron Spin Locking (NOVEL)
J. Magn. Res. 77 (1988) 389-393
doi: 10.1016/0022-2364(88)90190-4
A. Henstra, P. Dirksen, W.Th. Wenckebach
Enhanced Dynamic Nuclear Polarization by the Integrated Solid Effect
Phys. Lett. 134A (1988) 134-136
doi: 10.1016/0375-9601(88)90950-4
R.T. Weber, J.A.J.M. Disselhorst, L.J. Prevo, J. Schmidt,
W.Th. Wenckebach
Electron Spin-Echo Spectroscopy at 95 GHz
J. Magn. Res. 81 (1989) 129-144
doi: 10.1016/0022-2364(89)90272-2
P. Dirksen, A. Henstra, W.Th. Wenckebach:
An Electron Spin Echo Study of Donor-Acceptor Recombination
J. Phys.: Condens. Matter 1 (1989) 7085-7092
doi: 10.1088/0953-8984/1/39/020
P. Dirksen, A. Henstra, W.Th. Wenckebach:
An ESR Hole Burning Study of Dynamic Nuclear Polarisation of
29Si in Si:B
J. Phys.: Condens. Matter 1 (1989) 8535-8541
doi: 10.1088/0953-8984/1/44/024
A. Henstra, T.-S. Lin, J. Schmidt, W.Th. Wenckebach:
High Dynamic Nuclear Polarization at Room Temperature
Chem. Phys. Lett. 165 (1990) 6-10
doi: 10.1016/0009-2614(90)87002-9
A. Henstra, T.-S. Lin, W.Th. Wenckebach
Muon Spin Rotation (μSR) Detected Electron Spin Echo Enveloppe
Modulation (ESEEM)
Phys. Lett. 157A (1991) 431-434
doi: 10.1016/0375-9601(91)90884-B
D.J. van den Heuvel, A. Henstra, T.-S. Lin, J. Schmidt, W.Th. Wenckebach:
Transient Oscillations in Pulsed Dynamic Nuclear Polarization
Chem. Phys. Lett. 188 (1992) 194-200
doi: 10.1016/0009-2614(92)90008-b
P.F.A. Verheij, W.Th. Wenckebach
Nuclear Magnetic Ordering in Fluorene
J. de Physique I 3 (1993) 2259-2267
doi: 10.1051/jp1:1993243
P.F.A. Verheij, W.Th. Wenckebach, J Schmidt:
Microwave Induced Optical Nuclear Polarization at 75 GHz:
A quantitative analysis
Appl. Magn. Reson. 5 (1993) 187-205
doi: 10.1007/BF03162521
D.J. van den Heuvel, J. Schmidt, W.Th. Wenckebach:
Polarizing Proton Spins by Electron-Spin Locking of Photo-Excited
Triplet State Molecules
Chem. Phys. 187 (1994) 365-372
doi: 10.1016/0301-0104(94)89018-8
W.Th. Wenckebach
Thermodynamics of Dynamic Nuclear Polarization
Nucl. Instr. Meth. in Phys. Res. A356 (1995) 1-4
doi: 10.1016/0168-9002(94)01434-5
A. Comment, B. van den Brandt, K. Uffmann, F. Kurdzesau, S. Jannin,
J.A. Konter, P. Hautle, W.Th. Wenckebach, R. Gruetter, J.J. van der Klink
Design and Performance of a DNP Prepolarizer coupled to a Rodent
MRI Scanner
Concepts Magn. Reson. 31B (2007) 255-269
doi: 10.1002/cmr.b.20099
A. Henstra, W.Th. Wenckebach
The Theory of Nuclear Orientation via Electron Spin Locking (NOVEL)
Mol. Phys. 106 (2008) 859-871
doi: 10.1080/00268970801998262
W.Th. Wenckebach
The Solid Effect
Appl. Magn. Reson. 34 (2008) 227-235
doi: 10.1007/s00723-008-0121-9
M. Haag. B. van den Brandt, T.R. Eichhorn, P. Hautle, W.Th. Wenckebach
Spin Filtering Neutrons with a Proton Target Dynamically Polarized
using Photo-Excited Triplet States
Nucl. Instr. Meth. Phys. Res. A678 (2012) 91-98
doi:10.1016/j.nima.2012.03.014
T.R. Eichhorn, M. Haag. B. van den Brandt, P. Hautle, W.Th. Wenckebach
High Proton Spin Polarization with DNP using the Triplet State of
Pentacene-d14
Chem. Phys. Lett. 555 (2013) 296-299
doi: 10.1016/j.cplett.2012.11.007
T.R. Eichhorn, M. Haag. B. van den Brandt, P. Hautle, W.Th. Wenckebach,
S. Jannin, J.J. van der Klink, A. Comment
An Apparatus For Pulsed ESR and DNP Experiments Using Optically
Excited Triplet States down to Liquid Helium Temperatures
J. Magn. Res. 234 (2013) 58-66
doi: 10.1016/j.jmr.2013.06.009
A. Henstra, W.Th. Wenckebach
Dynamic Nuclear Polarization via the Integrated Solid Effect I: Theory
Mol. Phys. 112 (2014) 1761-1772
doi: 10.1080/00268976.2013.861936
T.R. Eichhorn, B. van den Brandt, P. Hautle, A. Henstra, W. Th. Wenckebach
Dynamic Nuclear Polarisation Via the Integrated Solid Effect II:
Experiments on Naphthalene-h8
doped with Pentacene-d14
Mol. Phys. 112 (2014) 1773-1782
doi: 10.1080/00268976.2013.863405
T.R. Eichhorn, N. Niketic, B. van den Brandt, U. Filges, T. Panzner,
E. Rantsiou, W.Th. Wenckebach, P. Hautle
Proton polarization above 70% by DNP using photo-excited triplet states,
a first step towards a broadband neutron spin filter
Nucl. Inst. Meth. Phys. Res. A 754 (2014) 10-14
doi: 10.1016/j.nima.2014.03.047
N. Niketic, B. van den Brandt, W.Th. Wenckebach, J. Kohlbrecher, P. Hautle
Polarization analysis in neutron small angle scattering with a novel
triplet DNP spin filter.
J. Appl. Cryst. 48 (2015) 1514-1521
doi: 10.1107/S1600576715015575
W.Th. Wenckebach
Dynamic Nuclear Polarization via Thermal Mixing:
beyond the High Temperature Approximation
J. Magn. Res. 277 (2017) 68-78
doi: 10.1016/j.jmr.2017.01.020
W.Th. Wenckebach
Spectral Diffusion and Dynamic Nuclear Polarization:
beyond the High Temperature Approximation
J. Magn. Res. 284 (2017) 104-114
doi: 10.1016/j.jmr.2017.10.001
Y.Quan, B.van den Brandt, J.Kohlbrecher, W.Th.Wenckebach, P.Hautle
A transportable neutron spin filter
Nucl. Instr. Meth. A (2018)
doi: 10.1016/j.nima.2018.12.047
W.Th.Wenckebach
Dynamic Nuclear Polarization via the Cross Effect and Thermal Mixing:
A. The Role of Triple Spin Flips
J. Magn. Res. 299 (2019) 124-134
doi: 10.1016/j.jmr.2018.12.018
W.Th.Wenckebach
Dynamic Nuclear Polarization via the Cross Effect and Thermal Mixing:
B. Energy Transport
J. Magn. Res. 299 (2019) 151-167
doi: 10.1016/j.jmr.2018.12.020
A. Capozzi, S. Patel, W. Th. Wenckebach, M. Karlsson, M.H. Lerche,
J.H. Ardenkjaer-Larsen
Gadolinium Effect at High-Magnetic-Field DNP: 70% Polarization
of [U-13C] Glucose using Trityl
J. Phys. Chem. Lett. 10 (2019) 3420-3425
doi: 10.1021/acs.jpclett.9b01306
W.Th. Wenckebach, Y. Quan
Monte Carlo Study of the Spin-Spin Interactions between Radicals used
for Dynamic Nuclear Polarization
J. Magn. Res. 326 (2021) 106948
doi: 10.1016/j.jmr.2021.106948
W.Th. Wenckebach, A. Capozzi, S. Patel, J.H. Ardenkjaer-Larsen
Direct Measurement of the Triple Spin Flip Rate in Dynamic Nuclear
Polarization
J. Magn. Res. 327 (2021) 106982
doi: 10.1016/j.jmr.2021.106982
W.Th. Wenckebach
Electron Spin-Spin Interactions in DNP: Thermal Mixing vs. the
Cross Effect
Appl. Magn. Res. 52 (2021) 731-748
doi: 10.1007/s00723-021-01335-0
J.M. Steiner, P. Hautle, W.Th. Wenckebach
Relaxation of Nuclear Dipolar Energy
J. Magn. Res. 333 (2021) 107099
doi: 10.1016/j.jmr.2021.107099
Y. Quan, J. Steiner, Y. Ouyang, K.O. Tan, W.Th. Wenckebach, P. Hautle,
R.G. Griffin
Integrated, Stretched and Adiabatic Solid Effects
J. Phys. Chem. Lett. 13 (2022) 5751–5757
doi: 10.1021/acs.jpclett.2c01147
W.Th. Wenckebach, S.F.J. Cox
Nuclear Dipolar Relaxation Induced by Ground State Interacting
Electron Spins
J. Magn. Res. 348 (2023) 107375
doi: 10.1016/j.jmr.2023.107375
Last update: 26 May 2023