RESEARCH ACTIVITIES IV
Department of Molecular Assemblies

A. Solid State Properties of Phthalocyanine Salts and Related Compounds

  1. High-Pressure Study of One-Dimensional Phthalocyanine Conductor, NiPc(AsF6)0.5
  2. New Conducting Composite Material Based on a Platinum Phthalocyanine (PtPc) Charge Transfer Salt and Poly-bisphenol-A-carbonate (PBC). Electrochemical, Optical, Magnetic, and Structural Properties
  3. Electrochemical and Spectroelectrochemical Properties of a New Stable Composite Film Electrode. Platinum Phthalocyanine --- Poly-bisphenol-A-carbonate
  4. Magnetic Susceptibility of Oriented Single Crystals of CoPc(AsF6)0.5

B. Structure and Properties of Organic Conductors

  1. Peierls Transition of DMTSA-BF4 Having a Half-Filled Quasi-One-Dimensional Band
  2. Electronic Structure of kappa-ET2X salts, Where "ET" is Bis(ethylenedithio) tetra-thiafulvalene (BEDT-TTF) Molecule
  3. Charge-Transfer Salts of M(mnt)2 (M=Ni, Pd, Pt, Au) with BDNT: Ferromagnetic Interaction in Conductive (BDNT)2-[Ni(mnt)2]

C. Development of a Spiro-Conjugated Donor System: a New Type Donor able to form Charge-Transfer Salts with a 2-D or 3-D Electronic Conduction Band

  1. New Spiro Donor Molecules: Bis(tetra-thiafulvalenyldithio)-Methane and -Germane

D. NMR Study of Organic Conductors

  1. 13C NMR Study of Nesting Instability in alpha-(BEDT-TTF)2RbHg(SCN)4
  2. Deuterated kappa-(BEDT-TTF)2Cu[N(CN)2]Br: a System on the Border of the Superconductor/Magnetic-Insulator Transition
  3. 13C NMR Study on Deuterated kappa-(BEDT-TTF)2Cu[N(CN)2]Br
  4. Electron Correlation, Metal-Insulator Transition and Superconductivity in Quasi-2D Organic Systems, (ET)2X
  5. 13C and 1H NMR Study of Vortex Dynamics in a Layered Organic Superconductor at Selective Nuclear Sites

E. Electron Transport and Magnetic Study of Anisotropic Superconductors

  1. Phase Diagram of Vortices in the Quasi-Two-Dimensional Organic Superconductor, alpha-(BEDT-TTF)2NH4Hg(SCN)4; a System of Pancake Vortices with Out-of-Plane Coupling Dominated by the Electromagnetic Energy

F. Thermodynamic Study of Organic Conductors

  1. Reply to the "Comment on 'Electronic Structure of Insulating Salts of the kappa-(BEDT-TTF)2X Family Studied by Low-Temperature Specific Heat Measurements'"
  2. Low-Temperature Specific Heat of kappa-(BEDT-TTF)2Cu[N(CN)2]Br in the Superconducting State
  3. Thermodynamic Property of Organic Superconductor kappa-(BEDT-TTF)2X

G. Novel Electronic States of d-pi System of (DCNQI)2M

  1. Wigner-Crystal Type of Charge Ordering in an Organic Conductor with a Quarter-Filled Band; (DI-DCNQI)2Ag
  2. 13C-NMR Study of Metal-Insulator Transition in (DMe-DCNQI)2Cu with Partial Deuteration

H. Electric and Magnetic Properties of a Series of lambda-Type BETS Conductors and Related Organic Conducting Systems

  1. Low-Temperature Phase Diagram of lambda-Type Organic Superconductor
  2. The First Organic Superconductor Exhibiting a Superconductor-to-Antiferromagnetic Insulator Transition, lambda-BETS2(FexGa1-x)Cl4
  3. The Origin of the pi-d Coupled Metal-Insulator Transition in Highly Correlated Organic Conductor with Magnetic Anions, lambda-BETS2FeCl4
  4. Three-Dimensional (T-P-H) Phase Diagram of lambda-BETS2FeCl4
  5. Electrical and Structural Properties of kappa-Type BETS Conductors
  6. Structural, Electric and Magnetic Properties of EDT-XYF2Z (X,Y=S or Se; Z=PF6, TaF6, ClO4, GaCl4, FeCl4,..)

I. Electric and Magnetic Properties of Ni(dmix)2 (x= t, se) Complexes

  1. Magnetic Properties of Ni(dmit)2 Conductors with Stable Metallic States
  2. New Metallic Ni(dmise)2 Complex

J. X-Ray Studies at Low Temperature and High Pressure

  1. Low-Temperature X-Ray Diffraction Studies on Molecular Conductors
  2. High Pressure X-Ray Crystal Structure Analyses of Molecular Conductors

K. Development of New Molecular Conductors

  1. Development of New Selenium Containing Metal Complex M(ddds)2
  2. Synthesis of Novel Extended Fulvalene-Metaldithiolene Complexes and Mixed Ligand Metal Complexes
  3. Synthesis, Structure and Properties of New Sulfur-Bridged TTF Dimer
  4. Synthesis, Structure and Physical Properties of Pentathio-Substituted TTF Derivative; Ethylenedithio(pentathio)tetra-thiafulvalene
  5. Crystal Structures and Electrical Conductivities of Cation-Radical Salts of a Tellurium-Containing Donor: 2,3-DMTTeA
  6. Development of Novel Organic Conductors Based on Tellurium Containig Electron Donors
  7. Development of New Donor Components with Magnetic Moiety

L. Development of Pulsed Field Gradient NMR Spectroscopy

  1. High Speed Controller for Very Intense Magnetic Field Gradient Pulses in PGSE-NMR
  2. Personal Computer-Controlled 16 Channel Versatile Pulse Generator for Nuclear Magnetic Resonance

M. Phase Transitions and Dynamical Ordering in Liquid Crystals

  1. General Theory for the NMR Spectra of Liquid Crystals
  2. Complete Assignment of the 13C NMR Lines in Antiferroelectric MHPOBC
  3. Natural Abundance 2H NMR Spectroscopy: Anomalous Deuteration Effect on the Chain Dynamics of a Doubly Reentrant Liquid Crystal
  4. Transient Oscillation of Magnetization in 13C-1H Dipole Coupled Spin Systems in Liquid Crystal
  5. Unusual Ordering of a Di(oxyethylene) Chain in a Dialkoxy Laterally Substituted Nematogen as Evidenced by 13C NMR
  6. Low Melting Point Nematic Liquid Crystals with Oxyethylene Units: 13C NMR Study of the Unusual Conformation
  7. Design and Construction of Hydrostatic Pressure NMR Probehead

N. Hydrogen/Deuterium Dynamics in Organic Hydrogen-Bonded Solids

  1. Phase Transitions and Hydrogen/ Deuterium Ordering in 9-Hydroxyphenalenone Derivatives in the Solid State
  2. Structures and Hydrogen Dynamics in 9-Hydroxyphenalenone Derivatives with Additional Hydrogen-Bonding Site at the 5-Position

O. Electronic Properties of Alkali-Hydrogen-Carbon Systems

  1. Theoretical Study on Electronic States of Sodium-Hydrogen-Graphite Ternary Intercalation Compounds
  2. 13C NMR Study in Na4HC60 Superconductor

P. Search for Novel Charge Transfer Complexes Based on BEDT-TTF Type Organic Donors

  1. Synthesis and Properties of CT Complexes of BMDT-TTF Involving Double-Chain Donor Arrangements
  2. Electronic States and Anti-Ferromagnetic Order in Mixed-Stack Charge Transfer Compound (BEDT-TTF)(F2TCNQ)

Q. Photoelectron Spectroscopy of Organic Solids in Vacuum Ultraviolet Region

  1. Ultraviolet Photoemission Spectra of Perchlorate-Doped cis- and trans-Polyacetylene

R. Electrical Conduction and its Related Properties of Organic Solids

  1. Crystal Structure and Thermodynamic Behavior of Tetrabenzo[de,hi,op,st]pentacene Endoperoxide
  2. Calorimetric Studies of Tetrakis(alkyl-thio)tetrathiafulvalene, TTCn-TTF (n=3,8)
  3. Superconductivity in Sodium-Hydrogen-C60 Ternary Compound
  4. Rietveld Analysis of the Super-conducting NaxHyC60
  5. Recovery and Enhancement of Superconductivity in the Sodium-Hydrogen-C60 Ternary System
  6. Phase Transition and Isotope Effect in NaxHyC60 Superconductor
  7. Electronic Structure Calculations of NaxHyC60

S. NMR Study of Functional Interactions in Molecular Based Solids: Magnetic, Electronic, and Dynamic Interactions

  1. Solid State 1H-MAS-NMR and Spin Densities on Protons of the Organic Ferro-magnetic Tempo Derivatives
  2. Thermochromism and Dynamics of Organometallic Conjugated System: Zirconocene Complex of 1,4-Diphenyl-1,3-butadiene
  3. Synthesis and Gas-Occlusion Property of Dinuclear Molybdenum (II) Dicarboxylates
  4. Determination of the Electron Spin Density Distribution and Magnetic interaction Path in 4-(Hydroxyimino)-TEMPO Crystal by Solid State High Speed Magic Angle Spinning D-NMR
  5. Proton Dynamics in Interacting Hydrogen Bonds in Crystals: Proton Tunneling in the NHO Hydrogen Bonds of N,N'-Di(2-hydroxy-1-naphthylidene)-p-phenylenediamine
  6. Solid State High Resolution 2H-NMR Study of Spin Density Distribution in Hydrogen-Bonded Organic Ferromagnet HQNN

T. Electronic Structures and Physical Properties of Quasi-One-Dimensional Halogen-Bridged Mixed-Valence Metal Complexes

  1. Electronic Structure of the Quasi-One-Dimensional Halogen-Bridged Ni Complexes
  2. Dynamics of Photoinduced Gap States and Self-Trapped Excitons in the MX Chain Compounds with Degenerate and Non-Degenerate CDW Ground States
  3. Determination of the Electronic Structure in the Strongly Correlate 1-D Electron Systems: X-Ray Photoelectron and Auger Spectroscopy of Halogen-Bridged Nickel Complexes
  4. The Metallic State in a MMX-Chain Complexes, Pt2(dta)4I
  5. Competition between Electron-Correlation in Ni(III) and Electron-Lattice Interaction in Pd(II)-Pd(IV) in Mixed-Metal MX-Chain, Ni1-xPdx(chxn)2Br3
  6. Dynamics of Solitons and Polarons in the Quasi-One-Dimensional MX Chain Compound [Pt(en)2][Pt(en)2I2](ClO4)4

U. Low-Dimensional Magnetic Systems

  1. S=1 New Haldane Gap Systems and Spin Glass Behaviors: Syntheses, Structures and Magnetic Properties of Linear-Chain Ni(II) Complexes
  2. Inducing a Magnetic Ordering in the Haldane Material Ni(C5H14N2)2N3(ClO4) by Magnetic Field

V. Organic-Inorganic Hybrid-Type Charge Transfer Complexes

  1. Physical Properties of Quasi-One-Dimensional Charge-Transfer Metal Complexes; [M(HBQD)2]TCNQ (M=Ni, Pd; H2BQD=1, 2-Benzoquinoedioxime)

back to CONTENTS of Annual Review 1997