Nanotechnology Definition and 154 Threads

I am currently undertaking a research internship where I am modelling the heating of silicon wafers with a 515 nm femtosecond laser. In order to increase the absorption of the laser into the oxide layer on top of the wafer it was suggested we use gold nanoparticles. I was tasked with modelling...

Why can't the Novosiolov and Geim's method of getting graphe (with an adhesive tape) be upscaled to manufacturing? It is said "because this method is based on the handwork", but aren't we really able to do this, for example, with robotics as an iterative process? I guess, there is a problem with...

I'm a final year (4th year) applied physics student studying in Ireland, and I've spoken with one of my professors about a possible PhD study. The study he offered me was to do with nanorods and their ability to kill/wave off bacteria, taking inspiration from the Lotus leaf. I've attached what...

Is there a problem of converting DC to AC in micro- or nano- scaled electric circuits? Is designing a new device that would perform such function in demand in micro- or nano- electronics?

How hard and costy is it to manufacture a layer of substance a few nanometers wide and how useful such structures would be?

I mean you could buy a mirror or silicon wafer but they give say 0.5 nm or 5nm 'roughness' which I suspect is the mean average roughness but this doesn't rule out a high "bump" way above the mean average such that for example 1 million bumps of 1 nm and just one of 5 will result in...

I know graphene particles are small but how do I work with them separately? If you tell me easy-to-accomplish way for handling a single grain of graphene at home...OK. I was thinking about something like a very thin sheet of graphene, but in quantum measurements they are huge: micrometers and I...

Hey everyone! I'm really interested in nanosystems and currently collecting information on the topic. I've read quite a few publications and been on some webistes such as nanoplus (they explained what they do really well!) but I would also like to see what my think-alikes on here have to say...

Both the cz (Czochralski Process), and Float-zone refining of silicon require an inert atmosphere, usually argon. How pure does the argon atmosphere have to be? How high of a vacuum has to be pulled before releasing argon into the tank?

I’m using an inductive heater to try to melt some 99.85% polycrystalline silicon, as would occur in the Czochralski process, but the silicon workpiece is not melting let alone even getting hot. The silicon workpiece is about the size of a playing dice. It becomes conductive at 200 F and becomes...

Have a look at the article here. From the article: Transmission electron microscopy of neutrophil nanosponges. Credit: Qiangzhe Zhang/Nature Nanotechnology

I’m using a zvs inductive heater to try to melt some 99.85% polycrystalline silicon, as would occur in the Czochralski process, but the silicon workpiece is not melting let alone even getting hot. The silicon workpiece is about the size of a playing dice, and becomes fully conductive after...

Homework Statement An AFM uses a quadrant photo-diode to measure the deflection of the laser beam. Sketch the voltage in quadrants A, B, C and D as the tip travels on top of a single carbon nano-tube resting on a flat surface when the AFM is operating on tapping mode. Homework Equations Not...

My plan right now is to study a program called 'engineering physics with materials science' when I enter university in the fall. What I want to work with is molecular nanotechnology and programmable matter. I want to contribute to creating stuff like "computronium", utility fog, self-healing...

i am currently student of Applied physics in final year. for my final year project i was offered space,electronics and materials(nanotechnology) research work. i chose space research work but my institute is unable t provide its courses so we have to chose from materials and electronics. i chose...

To be more precise, which nano particles are being used or can be used to deliver tuberculosis drugs in the human body?

Hi My question is not long, but it is very broad; Is nanotechnology simpy just a rebranding of material science? Is there anything else to it? I have not really seen it used outside chemistry and material science. Do simple nanomachinery exist? I guess on a more speculative level it exists...

HI guys! I was thinking... What would happen if the atom were considered the smallest thing of the universe, or just that electrons, protons e neutrons were that? That would impact in semiconductors technologies? Or plasma? Or nanotech? How? Thanks in advance.

I am interested in pursuing a career in nanotechnology however i would like to know if i should do a B.TECH. Nanotechnology degree or something more specific like an undergraduate degree in electrical engineering, materials science, etc. Please let me know which will be beneficial for my future...

I am an university student, and I have the opportunity to choose the career in semester 5. Now, I am in semester 4 and I am indesicive between Physics, Nanotechnology and Chemistry. I am very afraid, It could be possible that you say me your experiences. I am interesning in materials, energy and...

I am currently doing a diploma of bio science i want to be a doctor and then research and start a nanomedical company , dealing with drug delivery systems, i want to know how to do such a thing

Hi experts, I am looking for scholarly articles (recent ones are better) on (1) Nano-propulsion and (2) Drug Delivery for a project for a high school student. I searched the internet, but hard to find recent scholarly articles. I am ready to pay a small fee to download them if available. I...

i'm interested in studying nanotechnology at La trobe University and i want to know whether this is a good degree and whether i can do an engineering degree for my masters ?

The article on undecidability of presence of spectral gap by describing its microscopic structure seems to contradict the fact that we can decide whether a CNT is metallic or semi -conducting by checking its diameter and its twist.

I'm a first year student in college and I've started shadowing under a grad student, who's in a nano-optics research group (http://www.nanoscience.ucf.edu/chanda/), in order to learn about microfabrication. I'd like to start conducting my own research soon; however, i don't know exactly what it...

I do not know what to write here, so I just going to say hi! I am Aura a senior 2016 and in this point of my life the time has come to make in my opinion "the most decisive" decision of my life.

A figure in a recent paper from Science made me smile, so I thought I'd share it with you guys. The paper describes a new way of joining nanoscale building blocks together using DNA origami. It's based on the principle that if you have two DNA double helices with a gap in between (see the blue...

Hi, name's Sehaj. I'm in my first year of a Natural Sciences degree studying at the University of Leeds, England. It's a flexible degree with a masters option which I'm looking to take, perhaps gearing towards working in materials science. But I also have an interest in nanotechnology...

Ok this is my first time posting but my questions about my future are tearing me apart. I am only a sophomore in high school but I am very interested/study physics and intend on perusing my phd. I find nano technology very Interesting and one of the most influential studies that interests me...

I got a B.S. in Mechanical Engineering and I am now doing a PhD in Nanotechnology in which I am synthesizing a nanomaterial. Someone just told me that nanotechnology is more like mechanical engineering and materials engineering than any other thing. Based on my work I can see the relationship...

I think having a career in nanotechnology might be the right choice. However, my school doesn't offer a concentration in nanotechnology unless you are in chemistry. I would like to know some undergraduate courses that would be helpful to me if I decided to go on to get a masters in nanotechnology.

I will get my PhD in Nanotechnology on June 2016 and I want to know if I can teach physics in college or at least in high school with this degree.

Hi. I'm currently in my 3rd year of a 5-year MS program in engineering physics. I have decided to specialize in nanotech, and that into consideration I am a unsure on which courses I should take in my 4th. A professor I talked to told me I should definitely go for a "basic physics package"...

I´m now 30 years old (born in 1984) and I will be done with my Ph.d. in Nanotechnology in Mexico City. I am planning on getting married with my girlfriend (who is a U.S. citizen) on June 2016 and go live to the United States. I am now thinking what I would like to do after getting done with the...

I'm trying to understand superparamagentism. There is an experimental medical treatment that uses the superparamagnetism properties of nanoparticle-sized iron oxide particles. Injected into a cancer tumour, when the person is placed in a rapidly alternating magnetic field, the iron oxide...

Hi! I am now doing my first semester for an integrated master's degree in mechanical engineering at a Norwegian university. I am doing well, but I have been second-guessing my choice for a while now. I have to admit I really was uncertain about what to chose, and while I mainly considered...

Hey everyone, I was recently reading a paper on surface enhanced Raman scattering, and it mentioned that plasmons (and for that matter surface plasmon polaritons-where my interest lies) are sensitive to the surface to volume ratio of the structure. I can begin to understand intuitively with...

Hi there Is there anyone to help me about a definition of "DNA nano wire"?!

I am an EE graduate stumbled upon this exciting new field of research fusing control and estimation theory(EE) and quantum mechanics(Physics). I seeking opinion of experts and professionals regarding this field.I think it would be critical for development of new future quantum technologies and...

I was just wondering if some bacteria or nanotechnology could be genetically engineered to target the Ebola strains? Is this possible? If it is then why is no one coming up with a cure?

I'm currently in my second year of studying Physics in University(undergraduate) but I don't know if I should continue on this path. I'll start from the beginning... Ever since I was little I've always had a fascination with physics, I loved looking at the stars, read countless books on...

Here's a story I've been working on for the past week. It's more of an experiment really. This novel does (or will eventually) interact with a myriad of fields, including computer science, nanotechnology, molecular biology, and quantum mechanics. I'd really love to see some input from...

I'm going into Senior year. I live I have taken 9 (3 I paid for so they don't count as dual enrollment) dual enrollment courses and next year I'm taking 4 more. I've reached my limit on college dual enrollment courses yet I have 2 spots in my schedule. I would like to use these to take...

Hello, I am new to this forum, but I will quickly introduce myself. I am a 19 year old student currently studying the second year for a bachelors degree in nanotechnology. My dream is to become a successful scientist in material science. I do read chemistry and physics more or less everyday, a...

This might sound crazy, but I want to study pronging human life span. I am thinking of majoring molecular nanotechnology so that I can use this major to construct an artificial enzyme(medical nanorobot) that lengthens telomere (I know this is not the only issue of aging and death). I am not...

I want to go into nanotechnology but also keep my options open for employment purposes when I graduate. At the moment I'm Chemistry & Material Science double major and I thought that'd be a good combo however at the moment I'm thinking, would MatSci for a B.S be oddly too specific for a B.S...

I am a second year civil engineering student. I decided long ago since I was in high school that I would be in engineering. However I only chose civil because I couldn't decide which engineering disipline I should choose. My college only has 4 course in engineering including computer eng. A...

I am a senior in high school and have a problem.. I want to pursue a career in nanotechnology, therefore I applied for an undergraduate place in MSE. The problem is that I've recently started reading about quantum physics and the structure of the physics (with theoretical physics) course and I...

Hi all, I apologize in advance for a bit of a lengthy preface on my question. I'm a PhD student in computational condensed matter (with a specialization in parallel and high-performance computing) who's just finishing off my degree. I don't want to continue in condensed matter...

In optoelectronics and other nanotechnology applications (like organic photovoltaics, organic LEDs etc) most layers need to be electrically characterized among other types of measurements. Thus, sheet resistance is measured. An example are the 4-point-probe resistivity measurements. Yet, what...