Structural, ferroelectric and optical properties of PZT thin films

Pandey, Sushil; James, A. R.; Raman, R.; Chatterjee, S. N.; Goyal, Anshu; Prakash, Chandra; Goel, T. C.

doi:10.1016/j.physb.2005.08.024

Cited by 99 publications

(49 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The spontaneous polarization of PZT was found to be 68.5 µC/cm 2 . This value was in good agreement with the polarization of PZT obtained in previous experimental and theoretical studies [36,37]. The calculated total electronic densities of states (TDOS) for bulk La 0.67 Sr 0.33 MnO 3 , bulk PbZr 0.2 Ti 0.8 O 3 , and the LSMO/PZT (001) interface are compared in Fig.…”

Section: Resultssupporting

confidence: 88%

“…For the tetragonal bulk structure of PZT, our calculations predicted a band gap of 2.1 eV. The computed band gap for PZT was in good agreement with previous theoretical DFT-GGA studies [38], but was lower than the experimental optical gap of 3.4 eV measured in PZT films [36]. The difference between the theoretical band gap and the experimental optical gap in PZT can be attributed to the limitations of the DFT-GGA computational approach, which tends to underestimate band gaps in semiconductors and insulators.…”

Section: Resultssupporting

confidence: 88%

See 1 more Smart Citation

Ab initiostudy of magnetoelectric coupling in La_0.66Sr_0.33MnO₃ / PbZr_0.2Ti_0.8O₃multiferroic heterostructures

Hammouri

Fohtung

Vasiliev

2016

J. Phys.: Condens. Matter

View full text Add to dashboard Cite

Abstract.Multiferroic heterostructures composed of thin layers of ferromagnetic and ferroelectric perovskites have attracted considerable attention in recent years. We apply ab initio computational methods based on density functional theory to study the magnetoelectric coupling at the (001) interface between La 0.66 Sr 0.33 MnO 3 (LSMO) and PbZr 0.2 Ti 0.8 O 3 (PZT). Our study demonstrates that the ferroelectric polarization of PZT has a strong influence on the distribution of magnetization in LSMO. The presence of polarized PZT changes the balance between the ferromagnetic and antiferromagnetic states of LSMO. The observed interfacial magnetoelectric effect can be explained by the variation of the charge density across the LSMO/PZT interface and by the change of the magnetic order in the LSMO layer adjacent to PZT. PACS numbers: 71.15.Mb, 75.25.Dk, 75.70.Cn, 77.55.Nv Keywords: electronic structure, density functional theory, multiferroics, perovskites, heterostructures, magnetoelectric coupling

show abstract

Section: Resultssupporting

confidence: 88%

Section: Resultssupporting

confidence: 88%

Ab initiostudy of magnetoelectric coupling in La_0.66Sr_0.33MnO₃ / PbZr_0.2Ti_0.8O₃multiferroic heterostructures

Hammouri

Fohtung

Vasiliev

2016

J. Phys.: Condens. Matter

View full text Add to dashboard Cite

show abstract

“…An electric field E induces a strain = e · E of the piezoelectric element is-land, which generates a stress σ = · Y acting on the attached piezomagnetic layer where Y denotes the Young's modulus of the piezoelectric material. For a piezoelectric island which has large piezoelectric constants, such as Pb[Zr x xTi 1−x ]O 3 (PZT) which has low absorption [39], the electric-field-induced strain can be as large as e ∼ 0.0002(MV/m) −1 , the corresponding Young's modulus is Y ∼ 10 5 MPa [40]. The mediated coupling coefficient between the NV-spin (at a depth of 15 nm) and the electric field is thus d∆/dE = ( e · Y )(d∆/dσ) = 34kHz · (V/cm) −1 , as compared with the direct coupling coefficient of ∼ 10Hz · (V/cm) −1 [28].…”

mentioning

confidence: 99%

Hybrid sensors based on colour centres in diamond and piezoactive layers

Cai¹,

Jelezko²,

Plenio³

2014

Nat Commun

View full text Add to dashboard Cite

The ability to measure weak signals such as pressure, force, electric field, and temperature with nanoscale devices and high spatial resolution offers a wide range of applications in fundamental and applied sciences. Here we present a proposal for a hybrid device composed of thin film layers of diamond with color centers implanted and piezo-active elements for the transduction and measurement of a wide variety of physical signals. The magnetic response of a piezomagnetic layer to an external stress or a stress induced by the change of electric field and temperature is shown to affect significantly the spin properties of nitrogen-vacancy centers in diamond. Under ambient conditions, realistic environmental noise and material imperfections, our detailed numerical studies show that this hybrid device can achieve significant improvements in sensitivity over the pure diamond based approach in combination with nanometer scale spatial resolution. Beyond its applications in quantum sensing the proposed hybrid architecture offers novel possibilities for engineering strong coherent couplings between nanomechanical oscillator and solid state spin qubits.Introduction.-The sensitive measurement of signals, such as force, pressure, electric field, temperature, with high spatial resolution possesses a wide range of applications in physics, engineering and the life sciences. Conventional methods, e.g. for pressure detection can usually operate at length scales down to the micron scale. Going beyond this regime whilst retaining highest sensitivity represents a significant challenge.

show abstract

“…These values are reported in Table 1, along with some experimental values reported in the literature for systems such as Pt/PZT/ITO (ITO as bottom electrode) [10,12,13] and ITO/PZT/ITO (ITO used as both electrodes) [14].…”

Section: Resultsmentioning

confidence: 99%

Structural, ferroelectric and dielectric properties of In2O3:Sn (ITO) on PbZr0.53Ti0.47O3 (PZT)/Pt and annealing effect

Kerkache

Layadi

Dogheche

et al. 2011

Journal of Alloys and Compounds

View full text Add to dashboard Cite

Structural, ferroelectric and optical properties of PZT thin films

Cited by 99 publications

References 16 publications

Ab initiostudy of magnetoelectric coupling in La_0.66Sr_0.33MnO₃ / PbZr_0.2Ti_0.8O₃multiferroic heterostructures

Ab initiostudy of magnetoelectric coupling in La_0.66Sr_0.33MnO₃ / PbZr_0.2Ti_0.8O₃multiferroic heterostructures

Hybrid sensors based on colour centres in diamond and piezoactive layers

Structural, ferroelectric and dielectric properties of In2O3:Sn (ITO) on PbZr0.53Ti0.47O3 (PZT)/Pt and annealing effect

Contact Info

Product

Resources

About

Structural, ferroelectric and optical properties of PZT thin films

Cited by 99 publications

References 16 publications

Ab initiostudy of magnetoelectric coupling in La0.66Sr0.33MnO3 / PbZr0.2Ti0.8O3multiferroic heterostructures

Ab initiostudy of magnetoelectric coupling in La0.66Sr0.33MnO3 / PbZr0.2Ti0.8O3multiferroic heterostructures

Hybrid sensors based on colour centres in diamond and piezoactive layers

Structural, ferroelectric and dielectric properties of In2O3:Sn (ITO) on PbZr0.53Ti0.47O3 (PZT)/Pt and annealing effect

Contact Info

Product

Resources

About

Ab initiostudy of magnetoelectric coupling in La_0.66Sr_0.33MnO₃ / PbZr_0.2Ti_0.8O₃multiferroic heterostructures

Ab initiostudy of magnetoelectric coupling in La_0.66Sr_0.33MnO₃ / PbZr_0.2Ti_0.8O₃multiferroic heterostructures