Aizu Keitsiro | Hitachi Central Research Labolatory

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概要

関連著者

著作論文

Another Checkpoint for Second Order Transitions Equivalent to the Checkpoint of Positive Definiteness and Incompatible Inequalities
Ferroelectrics Having an Irreversible (but Divertible) Spontaneous Polarization Vector
Thermodynamical Theory of Equisymmetric Ferroic-to-Ferroic Transitions
Possibility of Semicommensurate Phases When the Corresponding Purely Incommensurate Phases Are Forbidden
Further Investigation of "Semicommensurte"Phases.Possibility of the Successive Second-Other Transitions,Prototypic→Incommensurate→Semicommensutate
Temperature Dependences of Linear Electro-Incommensurate Constants in the Vicinity of the Transition from a Prototypic Phase to a Simultaneously Incommensurate and Ferroelectric Phase
A Possible New Type of Simultaneously Incommensurate and Ferroelectric Phases
General Cosiderations of Heterophone Sequences of Transitions
The Concepts "Prototype" and "Prototypic Phase" : Their Difference and Others
A Further Study of Stirrability and Unstirrability among Soft Modes
Interpretations of the Sequence of Transitions in Barium Sodium Niobate, Ba_2NaNb_5O_
Supplement to a Recent Thermodynamic Theory of the Incommensurate Transitions in NaNO_ Accounting for the Observed ε vs T Curve Just Above the Incommensurate-to-Ferroelectric Transition Point
On the Orders of Lineal Phase Transitions
A "Fourth" Checkpoint for Second-Order Transitions
Relationship of the Degree of Isotropy of the Thermodynamic Potential Function to the Catastrophe Indices of the Soft Modes when T→T_c-0
Different "Subspecies" for Ferroic Phases Derived from a Common Prototype and Belonging to the Same Species
Theory on the Possivility of Incommensurate Modulation along an Axis Perpendicular to the x Axis in K_2SeO_4
A Reducible but Unreduced, Spherical System of Transition Parameters. Unified Phenomenological Theory, by Its Use, of the Rochelle Salt Family Containing Both Zone-Center Ferroelectrics and Zone-Boundary Ferroelectrics
If an Incommensurate Phase is Possible, can Never the Transition from the Prototypic to a Commensurate Ferroic Phase be Second Order?
Newly Formulated Phenomenological Theory of Incommensurate Transitions in a Substance like NaNO_2
Comprehensive Tabulation of the Four Categories of Ferroic Point Groups Derived from Each of the 31 Prototype Point Groups
Theory of the Induction of Incommensurate Condensations of Hard Modes by an Incommensurate Condensation of the Soft Modes in a Substance Like K_2SeO_4
A Note on the Condensation of a Mode R Following the Condensation of a Soft Mode Q When R Couples with Q Merely in the Form Q^2 R^2
Phenomenological Theory of the Transition Sequence in K_2SeO_4, Pnam → an Incommensurate Phase → Commensurate Pna2_1
Therems Relating to Catastrophe Indices and to the "Fourth" Checkpoint for Second-Order Transitions
Theory of Inocommensurate Phase Transitions when the Soft Mode System Comprises Only a Nondegenerate Zero-Wavenumber Mode, as in NaNO_2

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