High-resolution vector magnetometry: Piezo-spin-polarization effect and in-plane strain-induced dominating uniaxial magnetic anisotropy in a 200-nm-thick Ni thin film

Benito, L.

doi:10.1016/j.jmmm.2017.11.082

Cited by 1 publication

(1 citation statement)

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“…Magnetic anisotropy in different magnetic systems could have many possible origins, such as lattice distortion [12][13][14][15][16][17][18], volume suppression/contraction [13] and spin orbit coupling [12]. Figure 3(a) gives XRD patterns for FeTe 2 at low temperature.…”

Section: Resultsmentioning

confidence: 99%

Multiple magnetic phase transitions, electrical and optical properties of FeTe₂ single crystals

Rahman¹,

Zhang²,

Rehman³

et al. 2019

J. Phys.: Condens. Matter

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Single-crystalline FeTe 2 in marcasite phase with orthorhombic structure was prepared via chemical vapor transport. Cooling FeTe 2 single crystals from room temperature down to 2 K, multiple magnetic phase transitions were observed. Paramagnetic (PM) to antiferromagnetic (AFM) and then to ferromagnetic (FM) occurred at 79 K and 35 K for in-plane, 73 K and 29 K for out-of-plane, respectively. A strong uniaxial magnetic anisotropy was found due to FeTe 6 octahedron distortion and structural modulation in FM region. The novel negative volume expansion (NVE) initiated in the vicinity of AFM to FM transition. An abrupt frequency shift of the most intense mode at 118 cm −1 and evolution of the Te-Te stretching mode near 40 K, corresponding to the phase transition from AFM to FM were observed. The temperature-dependent resistance revealed an anomaly (semiconductor to metallic transition) around AFM-FM transition, which can easily be suppressed and move to high temperature by the applied magnetic field. The results from XRD, Raman and resistivity indicated that the structural parameters, vibration frequency and transport are sensitive to the phase transition from AFM to FM. The nature of direct band gap with 0.67 eV was identified through UV-Vis-NIR spectrum of FeTe 2 single crystals at room temperature.

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Section: Resultsmentioning

confidence: 99%

Multiple magnetic phase transitions, electrical and optical properties of FeTe₂ single crystals

Rahman¹,

Zhang²,

Rehman³

et al. 2019

J. Phys.: Condens. Matter

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show abstract

High-resolution vector magnetometry: Piezo-spin-polarization effect and in-plane strain-induced dominating uniaxial magnetic anisotropy in a 200-nm-thick Ni thin film

Cited by 1 publication

References 47 publications

Multiple magnetic phase transitions, electrical and optical properties of FeTe₂ single crystals

Multiple magnetic phase transitions, electrical and optical properties of FeTe₂ single crystals

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High-resolution vector magnetometry: Piezo-spin-polarization effect and in-plane strain-induced dominating uniaxial magnetic anisotropy in a 200-nm-thick Ni thin film

Cited by 1 publication

References 47 publications

Multiple magnetic phase transitions, electrical and optical properties of FeTe2 single crystals

Multiple magnetic phase transitions, electrical and optical properties of FeTe2 single crystals

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Multiple magnetic phase transitions, electrical and optical properties of FeTe₂ single crystals

Multiple magnetic phase transitions, electrical and optical properties of FeTe₂ single crystals