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Physics, chemistry and materials science in very high magnetic fields: Nuclear Magnetic Resonance and beyond
Published on Jan 03, 20134115 Views
High magnetic fields are one of the most powerful tools to study, modify and control the different states of matter. Whereas commercial state-of-the-art superconducting magnets reach magnetic fields u
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Chapter list
Physics, chemistry and materials science in very high magnetic fields: Nuclear Magnetic Resonance and beyond00:00
Matter and magnetic field (1)01:00
Generation of Magnetic Fields03:07
Generation of Magnetic Field03:45
Generation of magnetic fields (2)05:19
High Magnetic Field Facilities -Worldwide07:01
EMFL – European Magnetic Field Laboratory07:50
Laboratoire National des Champs Magnétiques Intenses08:39
The Grenoble High Magnetic Field Laboratory (LNCMI)09:09
LNCMI Grenoble: Mission and In-house science09:56
Science in high magnetic fields – Instrumentation11:13
Sample environment for user at LNCMI-Grenoble13:47
NEW 2012: Thermoelectricity at LNCMI Grenoble: 35T, 300 mK15:01
High field magnets and levitation: zero gravity conditions (1)16:11
High field magnets and levitation: zero gravity conditions (2)16:40
High field magnets and levitation: application17:50
Matter and magnetic field (2)18:45
NMR Magnets and NMR families18:56
NMR science and instrumentation at ultrahigh magnetic fields19:43
LNCMI 3He NMR probe20:26
LNCMI Grenoble NMR group - people involved in high fields20:49
Spatially resolved magnetization in Bose-Einstein Condensed BaCuSi2O622:00
Quantum magnetism of coupled antiferromagnetic S=1/2 dimers22:36
NMR in high magnetic fields: quantum phase transitions24:06
BaCuSi2O6 – a candidate for Bose-Einstein Condensation (BEC)24:36
Correspondance of Bose gas and BEC in antiferromagnets25:23
BaCuSi2O6: BEC with dimensional reduction by geometrical frustration26:33
Structural phase transition below 90 K: inequivalent dimer layers27:26
Theory of bosonic bilayers with frustratated proximity effect28:24
NMR – microscopic probe of magnetism29:40
NMR signature of Bose-Einstein Condensation (BEC) of spin dimers30:12
NMR in resistive magnets down to 50 mK using 3He/4He dilution refrigerator31:03
29Si NMR high field spectra31:26
63Cu NMR above Hc measures local boson density in each plane32:36
Quantitative model by analysis of 29Si and 63Cu NMR + Theory34:02
Summary – BEC in BaCuSi2O6 as seen by NMR35:09
Matter and magnetic field (3)35:17
Magnetic Resonance Spectroscopy in Chemistry and Materials Science35:36
NMR – interactions, sensitivity and resolution36:14
Nuclear spin precession in a magnetic field: pulsed field NMR36:39
Sensitivity and resolution in NMR36:59
NMR high field gain of sensitivity37:22
Sensitivity enhanced NMR probeheads with strong H1 fields37:50
NMR in powder samples – resolution problem38:32
NMR methods to overcome orientation dependence38:53
Special case of interest: interaction of quadrupolar nuclei (I>1/2)39:27
High field NMR of half integer quadrupolar nuclei39:54
More than 75% of all NMR active nuclei are quadrupolar nuclei …40:04
Solid state NMR high field gain in chemistry and material science40:30
High resolution NMR: Stable and homogeneous fields at LNCMI (1)41:12
High resolution NMR: Stable and homogeneous fields at LNCMI (2)42:13
NMR high field gain in 91Zr, a low-g, low abundant quadrupolar nuclei44:16
91Zr NMR as a structural probe44:49
First solid state chemistry user experiment, 91Zr NMR at 30 T45:36
Systematic recording of Zr compounds at 30 T with new NMR probe46:24
NMR in resistive magnets at ultrahigh magnetic fields47:01
Matter and magnetic field (4)47:35
LNCMI Grenoble47:51