They made it and it's the smallest transistor developed to date.
Meanwhile they also work on 3 gate transitor like Intel does.
The second and third link aren't fresh news but a remind for different way in developement for multigate transistor at AMD research center.
http://www.eetimes.com/news/semi/showArticle.jhtml;jsessionid=ZZOPT1XETG0W2QSNDLOSKHSCJUNN2JVN?articleID=3001267
http://www.theinquirer.net/?article=11613
http://www.reed-electronics.com/electronicnews/article/CA341024.html
Meanwhile they also work on 3 gate transitor like Intel does.
The second and third link aren't fresh news but a remind for different way in developement for multigate transistor at AMD research center.
http://www.eetimes.com/news/semi/showArticle.jhtml;jsessionid=ZZOPT1XETG0W2QSNDLOSKHSCJUNN2JVN?articleID=3001267
http://www.theinquirer.net/?article=11613
http://www.reed-electronics.com/electronicnews/article/CA341024.html