Please suggest some oxide materials having large MR ratio.
A common example would be the hole doped manganites, that exhibit 'colossal magnetoresistance'. Typically La(1-x)Sr(x)MnO3 and La(1-x)Ca(x)MnO3 would have a large effect at x~0.3
E.g. Jin et al., Science 1994
http://science.sciencemag.org/content/264/5157/413
Topological insulators such as Bi2Te3, Bi2Se3 show hexagonal crystal structure with repeating 3 unit cell. Xrd pattern of thin film gen show 003 family peaks in these materials. How to confirm...
02 March 2018 6,791 3 View
To see the EB, we need two attached layer of antiferromagnet and ferromagnet. Is it possible if we increase the coercive field of ferromagnet, can be increase EB field in the bilayer system?
11 December 2017 6,783 2 View
I want to measure the heat capacity of my oxide thin film. Is it possible to measure it by DSC technique?
09 October 2017 7,069 4 View
I want to grow oxide thin film. which technique can be the best one. please help me
09 October 2017 9,115 22 View
08 September 2017 5,513 3 View
Can someone please explain that how to calculate moment/magnetic ion in thin films?
04 May 2017 8,408 8 View
There are some experiments, which can not be done because of large contribution of substrate, which hinders the material's property. Could someone please suggest me how can I separate my film from...
02 March 2017 6,235 9 View
I observed that there is huge change in the intensities of substrate peak on changing annealing temperature. second thing: The sample XRD peak in my sample shifts to higher 2theta on increasing...
31 December 2016 4,466 9 View
How to calculate mass of thin film indirectly and convert magnetization from emu/cc to Mb/fu?
11 December 2016 9,987 11 View
Please suggest me how can I subtract the diamagnetic and paramagnetic contribution from a ferromagnetic sample? is there any correction factor (standard way)? Thank you
08 September 2016 6,380 7 View
effect of double bond on the flexibility of polymers
07 April 2021 0 0 View
I am writing to request some information for making polymer color flakes. I would appreciate the help.
17 March 2021 0 0 View
In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...
03 March 2021 1,682 3 View
03 March 2021 8,272 1 View
When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...
03 March 2021 4,892 5 View
I looking for ferro calcium production process
03 March 2021 1,755 4 View
Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...
02 March 2021 4,910 3 View
Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...
02 March 2021 4,119 3 View
(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...
02 March 2021 3,309 2 View
Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...
01 March 2021 2,027 2 View