Natural optical dichroism of A2MnX4 type crystals and mechanisms for producing intensity of the spin-forbidden d-d transitions

A. V. Malakhovskii

doi:10.1016/0038-1098(86)90276-0

Natural optical dichroism of A₂MnX₄ type crystals and mechanisms for producing intensity of the spin-forbidden d-d transitions

A. V. Malakhovskii

RAS - Kirensky Institute of Physics, Siberian Branch

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

It has been found in a number of experiments that d-d transitions to A_1g and E_g states (in cubic notation) in tetragonal crystals Rb₂MnCl₄ and K₂MnF₄ have pronounced σ(α) polarization and the transitions to T_1g from liquid helium to room temperature. In this work the analysis of polarizable properties of different mechanisms for producing intensity of the spin-forbidden d-d transitions in A₂MnX₄ structure is carried out. It is shown that only cooperative absorption with the participation of odd vibrations can account for the observed transition polarization.

Original language	English
Pages (from-to)	591-594
Number of pages	4
Journal	Solid State Communications
Volume	60
Issue number	7
DOIs	https://doi.org/10.1016/0038-1098(86)90276-0
State	Published - Nov 1986
Externally published	Yes

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title = "Natural optical dichroism of A2MnX4 type crystals and mechanisms for producing intensity of the spin-forbidden d-d transitions",

abstract = "It has been found in a number of experiments that d-d transitions to A1g and Eg states (in cubic notation) in tetragonal crystals Rb2MnCl4 and K2MnF4 have pronounced σ(α) polarization and the transitions to T1g from liquid helium to room temperature. In this work the analysis of polarizable properties of different mechanisms for producing intensity of the spin-forbidden d-d transitions in A2MnX4 structure is carried out. It is shown that only cooperative absorption with the participation of odd vibrations can account for the observed transition polarization.",

author = "Malakhovskii, {A. V.}",

year = "1986",

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doi = "10.1016/0038-1098(86)90276-0",

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N2 - It has been found in a number of experiments that d-d transitions to A1g and Eg states (in cubic notation) in tetragonal crystals Rb2MnCl4 and K2MnF4 have pronounced σ(α) polarization and the transitions to T1g from liquid helium to room temperature. In this work the analysis of polarizable properties of different mechanisms for producing intensity of the spin-forbidden d-d transitions in A2MnX4 structure is carried out. It is shown that only cooperative absorption with the participation of odd vibrations can account for the observed transition polarization.

AB - It has been found in a number of experiments that d-d transitions to A1g and Eg states (in cubic notation) in tetragonal crystals Rb2MnCl4 and K2MnF4 have pronounced σ(α) polarization and the transitions to T1g from liquid helium to room temperature. In this work the analysis of polarizable properties of different mechanisms for producing intensity of the spin-forbidden d-d transitions in A2MnX4 structure is carried out. It is shown that only cooperative absorption with the participation of odd vibrations can account for the observed transition polarization.

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Natural optical dichroism of A₂MnX₄ type crystals and mechanisms for producing intensity of the spin-forbidden d-d transitions

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