Selective excitation of spin resonance in orthoferrite PrFeO3 with impulsive polarized terahertz radiation
Creators
- 1. Department of Physics, Shanghai University, Shanghai 200444 (China)
Description
Single cycle terahertz (THz) pulses were employed to excite coherent spin waves in (110)-oriented PrFeO3 single crystal. The free induction decay radiations at frequency of 0.34 THz (quasi-ferromagnetic mode, FM mode) and 0.41 THz (quasi-antiferromagnetic mode, AFM mode) were observed arising from the coupling of magnetic moment with the impulsive magnetic field of polarized terahertz radiation. These two spin modes in PrFeO3 can be excited and modulated by the magnetic field of THz pulse with a specific polarization with respect to the crystal axis. The extracted complex dielectric permittivity and magnetic permeability dispersion in THz range suggest a higher efficiency of energy transfer from the impulsive THz pulse into the AFM than the FM spin system
Additional details
Identifiers
- DOI
- 10.1063/1.4858430;
Publishing Information
- Journal Title
- Journal of Applied Physics
- Journal Volume
- 114
- Journal Issue
- 24
- Journal Page Range
- p. 243104-243104.5
- ISSN
- 0021-8979
- CODEN
- JAPIAU
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 45088989
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ANTIFERROMAGNETISM; ATOMIC FORCE MICROSCOPY; DIELECTRIC MATERIALS; ENERGY TRANSFER; EXCITATION; MAGNETIC FIELDS; MAGNETIC MOMENTS; MAGNETIC SUSCEPTIBILITY; MONOCRYSTALS; PERMITTIVITY; PULSES; RESONANCE; SPIN; SPIN WAVES; THZ RANGE
- Descriptors DEC
- ANGULAR MOMENTUM; CRYSTALS; DIELECTRIC PROPERTIES; ELECTRICAL PROPERTIES; ENERGY-LEVEL TRANSITIONS; FREQUENCY RANGE; MAGNETIC PROPERTIES; MAGNETISM; MATERIALS; MICROSCOPY; PARTICLE PROPERTIES; PHYSICAL PROPERTIES
Optional Information
- Notes
- (c) 2013 AIP Publishing LLC