activity
20002013
most citedMemory and superposition in a spin glass

149 citations · 354 across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.mtrl-sci2013

Strong microwave absorption observed in dielectric La1.5Sr0.5NiO4 nanoparticles

P. T. Tho, C. T. A. Xuan, D. M. Quang +5

LaSrNiO is well known to have a colossal dielectric constant (). The LaSrNiO nanoparticle powder was prepared by a combi…

cond-mat.mtrl-sci2010★ 3 cited

Detection of bottom ferromagnetic electrode oxidation in magnetic tunnel junctions by magnetometry measurements

Wei Chen, Dao N. H. Nam, Jiwei Lu +1

Surface oxidation of the bottom ferromagnetic (FM) electrode, one of the major detrimental factors to the performance of a Magnetic Tunnel Junction (MTJ), is difficult to avoid dur…

cond-mat.mtrl-sci2009

Target bias voltage effect on properties of magnetic tunnel junctions by biased target ion beam deposition

Wei Chen, Dao N. H. Nam, Jiwei Lu +2

Magnetic tunnel junctions (MTJ) with AlOx barrier were fabricated by a deposition tool called Biased Target Ion Beam Deposition (BTIBD) using low energy ion source (0-50 eV) and vo…

cond-mat.mtrl-sci2008★ 39 cited

Propagation of Exchange Bias in CoFe/FeMn/CoFe Trilayers

D. N. H. Nam, W. Chen, K. G. West +3

CoFe/FeMn, FeMn/CoFe bilayers and CoFe/FeMn/CoFe trilayers were grown in magnetic field and at room temperature. The exchange bias field depends strongly on the order of d…

cond-mat.mtrl-sci2008★ 13 cited

Temperature memory and resistive glassy behaviors of a perovskite manganite

D. N. H. Nam, N. V. Khien, N. V. Dai +2

This paper reports the observations of long-time relaxation, aging, and temperature memory behaviors of resistance and magnetization in the ferromagnetic state of a polycrystalline…

cond-mat.mtrl-sci2008★ 6 cited

Impact of in-plane currents on magnetoresistance properties of an exchange-biased spin-valve with insulating antiferromagnetic layer

D. N. H. Nam, N. C. Thuan, L. V. Hong +4

The impact of in-plane alternating currents on the exchange bias, resistance, and magnetoresistance of a CoFe/NiCoO/CoFe/Cu/CoFe spin-valve is studied. With increasing current, the…