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4 edition of Relaxations of excited states andphoto-induced phase transitions found in the catalog.

Relaxations of excited states andphoto-induced phase transitions

proceedings of the 19th Taniguchi Symposium, Kashikojima, Japan, July 18-23, 1996

by Taniguchi Symposium (19th 1996 Kashikojima, Japan)

  • 276 Want to read
  • 5 Currently reading

Published by Springer in Berlin, London .
Written in English

    Subjects:
  • Solids -- Spectra -- Congresses.,
  • Electronic excitation -- Congresses.,
  • Lattice dynamics -- Congresses.,
  • Multiphoton processes -- Congresses.,
  • Phase transformations (Statistical physics) -- Congresses.

  • Edition Notes

    Includes bibliographical references and index.

    StatementK. Nasu, ed.
    SeriesSpringer series insolid-state sciences -- vol.124
    ContributionsNasu, K. 1946-
    The Physical Object
    Paginationxi, 277p. :
    Number of Pages277
    ID Numbers
    Open LibraryOL22170357M
    ISBN 103540624732

    Relaxations of Excited States and Photo-Induced Structural Phase Transitions: Proceedings of the 19th Taniguchi Symposium, Kashikojima, Japan, July 18–23, Book Jan We theoretically study lattice relaxation dynamics of photogenerated excitons, which proliferate during this relaxation, and finally result in a macroscopic excited domain in insulating solids. This macroscopic domain formation phenomenon is usually called “photoinduced structural phase transition (PSPT)”.

      The reverse photoinduced phase transition from β-Ti 3 O 5 to λ-Ti 3 O 5 was induced by excitation from the valence band to the conduction band on β-Ti 3 O 5, and then the excited state . A photo-reversible metal–semiconductor phase transition can be induced in a nanocrystalline transition-metal oxide at room temperature by short-wavelength light irradiation, holding promise for.

    Chemical reactions in molecular crystals, yielding new entities (dimers, trimers,, polymers) in the original structure, are simulated for the first time by stochastic Monte Carlo methods. The results are compared with those obtained by deterministic methods. They show that numerical simulation is a tool for understanding the evolution of these mixed systems.   It is a challenge to reduce the size of electronic devices and increase information density in materials area. As a result, molecules possessing magnetic bistable states are attracting a great.


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Relaxations of excited states andphoto-induced phase transitions by Taniguchi Symposium (19th 1996 Kashikojima, Japan) Download PDF EPUB FB2

Relaxations of Excited States and Photo-Induced Structural Phase Transitions are the topics discussed during the 19th Taniguchi Symposium. Here, 27 worldwide renowned physicists and chemists report recent topics related to this quite new theme from the view points of both material science and solid-state spectroscopy.

Get this from a library. Relaxations of excited states and photo-induced structural phase transitions: proceedings of the 19th Taniguchi Symposium, Kashikojima, Japan, July[K Nasu;]. Koshihara S., Akimoto K., Tokura Y., Takeda K., Koda T. () Domain-Wall Dynamics of Photo-Induced Phase Transition in Polydiacetylene Single Crystals.

In: Nasu K. (eds) Relaxations of Excited States and Photo-Induced Structural Phase Transitions. Springer Series in Solid-State Sciences, vol Springer, Berlin, HeidelbergAuthor: S.

Koshihara, K. Akimoto, Y. Tokura, K. Takeda, T. Koda. In: Nasu K. (eds) Relaxations of Excited States and Photo-Induced Structural Phase Transitions. Springer Series in Solid-State Sciences, vol Springer, Berlin, HeidelbergCited by: 2. In: Nasu K. (eds) Relaxations of Excited States and Photo-Induced Structural Phase Transitions.

Springer Series in Solid-State Sciences, vol Springer, Berlin, Heidelberg. Relaxations of Excited States and Photo-Induced Structural Phase Transitions We apply this view-point to the latter system to interrelate the photo-induced phase transition and the phase transition under thermal equilibrium, with the use of a microscopic model with dipole-dipole interaction between the parity-broken self-trapped excitons.

With this system, the photo-induced phase transition from the LT to HT phase has also been observed. These temperature- and photo-induced phase transition phenomena are caused by: (1) the change in valence states on transition metal ions due to metal-to-metal charge-transfer and (2) the bistability due to the Jahn–Teller distortion of Mn III ion.

Sakano T and Toyozawa Y Relaxations of Excited States and Photo-Induced Structural Phase Transitions ed K Nasu (Berlin: Springer) p [11] Su W, Schrieffer J and Heeger A Phys.

Rev. B 22   In the metastable phase, all the atoms are located at the minima A in Fig. 1, while they are at the minima B in the stable shall consider the photo-induced transition of atoms from position A to this case, as a result of photon absorption, an atom is transferred into the excited state.

The problem of optically excited metastable states places a central position in many directions of phase transition physics and physics of defects in solid state. For instance, this problem is related to studies of light-induced phase transitions, non-linear optical effects, optical damage effects, optically induced diffraction gratings.

Photo-induced phase transitions are often discussed in terms of trapping of metastable spin state, i.e. light-induced excited spin state trapping (LIESST). In this viewpoint, photo-induced phases are expected to be nothing, but thermally induced phases quenched to low temperature having the same structure except the magnitude of thermal disorder.

3. Results and discussion Thermally induced phase transition. Rubidium manganese hexacyanoferrates are known for presenting bistability between two states: a low-temperature (LT) tetragonal Fe II (S = 0)–CN–Mn III (S = 2) state and a high-temperature (HT) cubic Fe III (S = 1/2)–CN–Mn II (S = 5/2) state.

As LT and HT states have different entropies, thermal phase transition. Get this from a library. Relaxations of Excited States and Photo-Induced Structural Phase Transitions: Proceedings of the 19th Taniguchi Symposium, Kashikojima, Japan, July[Keiichiro Nasu] -- Relaxations of Excited States and Photo-Induced Structural Phase Transitions are the topics discussed during the 19th Taniguchi Symposium.

In Relaxations of Excited States and Photo-Induced Structural Phase Transitions 34–44 (Springer-Verlag, Berlin, Heidelberg, ). Wang, Y. et al. Structural phase transition. 5 E. Hanamura, in Relaxations of Excited States and Photo-Induced Structural Phase Tr ansitions (Springer Berlin Heidelberg, Berlin, Heidelberg, ) pp.

34– Book Search tips Selecting this option will search all publications across the Infrared spectra before and after the irradiation indicated that this photomagnetic effect was caused by a photoinduced phase transition from the Fe(II)–CN–Mn(III) phase to Relaxations of Excited States and Photo-Induced Structural Phase Transitions.

The physics of phase transitions is an important area at the crossroads of several fields that play central roles in materials sciences. In this second edition, new developments had been included which came up in the states of matter physics, in particular in the domain of nanomaterials and atomic Bose-Einstein condensates where progress is accelerating.

In: Relaxations of Excited States and Photo-Induced Structural Phase Transitions, Nasu, K. (Ed.), Springer-Verlag, Berlin, p. Downloaded by [Stony Brook University] at 27 October   Itinerant type quantum many-body theories for photo-induced structural phase transitions (PSPTs) are reviewed in close connection with various recent experimental results related to this new optical phenomenon.

There are two key concepts: the hidden multi-stability of the ground state, and the proliferations of optically excited states. Much less is understood in terms of excited states and dynamical phase transitions induced steps of lattice relaxations.

The suppression up to 70% of (3, 0, −2), (3, 1, −3) intensities is. The transition is predicted to be triggered by photons with energies over eV, with an associated excited carrier density of × 10¹⁴ cm⁻², which enables a controllable phase.We report on the photomagnetic effect in RbMn[Fe(CN)6]⋅H2O ferromagnet.

Magnetization of this system was reduced by irradiation with only one-shot of laser pulse ( nm) at 3 K. This photodemagnetization was observed only when the laser power density (P) was above mJ cm−2 pulse−1. The quantum yield was above one and reached at P=43 mJ cm−2 pulse−1, showing that.K.

Nasu, Ed., Relaxations of Excited States and Photo-Induced Structural Phase Transitions, vol. of Springer Series in Solid- State Sciences, Springer, Berlin, Germany, The.