Thesis| File | Description |
|---|---|
| Text chapter I | Introduction |
| figure 1 | Principle of the experiments |
| figure 2 | Classical perfect conductor |
| figure 3 | Cluster in electric field |
| figure 4 | Sodium cluster polarizabilities |
| File | Description |
|---|---|
| Text chapter II | The molecular beam machine |
| figure 5 | The machine overview |
| figure 6 | Laser ablation source |
| figure 7 | Cryogenic cluster source |
| figure 8 | High voltage electric plates |
| figure 9 | Deflection geometry |
| figure 10 | Speed measurement |
| figure 11 | Beam chopped mechanically |
| figure 12 | Times of the experiments |
| figure 13 | Sequence of the experiment |
| figure 14 | Mass spectrometer |
| figure 15 | Spectrum at high resolution |
| figure 16 | Mass and position sensitivity |
| figure 17 | Spectrum of niobium |
| File | Description |
|---|---|
| Text chapter III | Experiments with Nb |
| figure 18 | Deflection niobium 17 |
| figure 19 | Polarizability of Nb at 300K |
| figure 20 | Deflection Nb15 v. voltage |
| figure 21 | Deflection profiles of Nb |
| figure 22 | Deflections of Nb14 at 50K |
| figure 23 | Length of Nb14 tail |
| figure 24 | Dipoles measured from tail |
| figure 25 | Niobium polarizability at 20K |
| figure 26 | Ferroelectric fraction |
| figure 27 | Extended fraction |
| figure 28 | Model Ti-C60 |
| figure 29 | Stark diagram |
| figure 30 | Fraction niobium 30 |
| figure 31 | Dipole from model |
| figure 32 | Transition temperature Tg from the model |
| figure 33 | Magnetic deflections, niobium |
| figure 34 | More magnetic deflections |
| figure 35 | Magnetic deflection Nb22 |
| figure 36 | Magnetic deflection Nb23 |
| figure 37 | Magnetic moments, niobium |
| figure 38 | Theoretical deflection profiles |
| figure 39 | Second moment of magnetic deflections |
| figure 40 | Comparing ferroelectricity and magnetism |
| File | Description |
|---|---|
| Text chapter IV | Experiments with Ta and V |
| figure 41 | Polarizability of V at 300K |
| figure 42 | Polarizability of Ta at 300K |
| figure 43 | Ferroelectric fraction for V |
| figure 44 | Ferroelectric fraction for Ta |
| figure 45 | Tg for vanadium |
| figure 46 | Tg for tantalum |
| figure 47 | Ferroelectric fraction for Nb alloy |
| File | Description |
|---|---|
| Text chapter V | Discussion and Conclusion |