Sunday, May 19, 2013

Electric and magnetic characteristics of a material which could be used in spintronics: Promising doped zirconia

May 17, 2013 ? Materials belonging to the family of dilute magnetic oxides (DMOs) -- an oxide-based variant of the dilute magnetic semiconductors -- are good candidates for spintronics applications. This is the object of study for Davide Sangalli of the Microelectronics and Microsystems Institute (IMM) at the National Research Council (CNR), in Agrate Brianza, Italy, and colleagues.

They recently explored the effect of iron (Fe) doping on thin films of a material called zirconia (ZrO2 oxide). For the first time, the authors bridged the gap between the theoretical predictions and the experimental measurements of this material, in a paper about to be published in The European Physical Journal B.

Spintronics exploit an intrinsic property of the electrons found in semi-conductors called spin, akin to the electrons' degree of freedom. This determines the magnetic characteristics, known as magnetic moment, of the material under study. The challenge is to create such material with the highest possible temperature, as this will ensure that its magnetic properties can be used in room-temperature applications.

To study iron-doped zirconia, they examined its magnetic properties and its electronic structure from both a theoretical and experimental perspective. They then compared theory and experiments to find the most stable configuration of the material. Theoretical work included first-principles simulations. In parallel, their experimental work relied on many different well-established analytical techniques, including X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy, and alternating gradient force magnetometer measurements.

Sangalli and colleagues therefore gained a better understanding of doped zirconia, which features oxygen vacancies, playing a crucial role in providing its unique electronic and magnetic characteristics. They have also predicted theoretically how the deviation from the standard structure influences this material's properties. They are currently investigating, experimentally, how the magnetism evolves with changing concentrations of iron and oxygen vacancies to confirm theoretical predictions.

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The above story is reprinted from materials provided by Springer Science+Business Media.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Davide Sangalli, Elena Cianci, Alessio Lamperti, Roberta Ciprian, Franca Albertini, Francesca Casoli, Pierpaolo Lupo, Lucia Nasi, Marco Campanini, Alberto Debernardi. Exploiting magnetic properties of Fe doping in zirconia. The European Physical Journal B, 2013; 86 (5) DOI: 10.1140/epjb/e2013-30669-3

Note: If no author is given, the source is cited instead.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/matter_energy/electronics/~3/GcElie8Nbh8/130517094600.htm

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Saturday, May 18, 2013

HTC says One production will double to meet ?strong demand?

WASHINGTON -- The one thing no one has suspected Dzhokhar Tsarnaev of being is a closet essayist. The idea of this young Chechen/Dagestani/Khrgyz man who, with his brother is accused of the vicious Boston Marathon bombings, making notes on his ideas had not entered the bio.And yet, as I write, news sources are reporting new information about Dzhokhar. Lying helplessly in the landlocked boat he was hiding inside of, in the small Massachusetts town outside Boston where they had fled, he wrote several primitive but revealing thoughts on the hull of the bullet-pocked boat with a pen he found. ...

Source: http://news.yahoo.com/htc-says-one-production-double-meet-strong-demand-230024068.html

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The Many Voices of Language | Being Feminist

Ester Grace

Language is a strange construct. It is relative, fluid and the essence of dynamic. Yet language governs our lives in ways so cemented into our subconscious that we often deny its power over us. Language is weaponized to assault our values, our goals and our entire sense of self while we wallow in untroubled complacency. We have no defense against the way we communicate with others and with ourselves.

But language is beautiful. It unites us across time, geography and culture. It is inextricably entwined with the breath of life. It is both the single string that weaves humanity together and the razor that shears us apart.

Now evident is the integral role that language plays in the marginalization of minority groups. The most obvious example is looking at the gender disparity when gauging acceptable levels of promiscuity. There is plenty of colorful and often tasteless language available to describe women who are sexually liberated. For examples, visit your local high school. But when it comes to describing promiscuity in men, the language simply does not exist. And when it does, it is a conjugation of the language established to admonish women. (Read: man-whore.)

This concept also lends itself to the marginalization of gay and lesbian relationships. But here the threat is dual-natured; not only is there an absence of language to describe the milestones in a gay or lesbian relationship (such as losing one?s virginity, because how do lesbians have sex anyway?) but there is the constant differentiation between activities heterosexuals engage in versus the activities their gay peers engage in. (Read: gay marriage, gay adoption.)

Perhaps the most dire abuse of language is directed, albeit often unintentionally, to those of the transgender community. The formulation of identity is difficult enough when the language is provided. But all the language used to describe transgender identity has roots in the movement itself. It is still in early ages of development, a fragile fledgling thrust into a precise, dichotomous and overly simplistic dialect.

And language manipulates. When corporations began to market bottled water as early as 1977, specific words were employed repeatedly to implicitly state the lack of hygiene standards present in the municipal water system. Commercials emphasized statements such as ?your clean water source? or ?purest water quality.? After decades of these techniques, convincing the general public of the stringency of municipal water standards is one of the greatest tasks facing conservationists today. This subtle, quasi-brainwashing by selective use of language is utilized by politicians, lawyers, drug companies, anyone who stands to benefit from stealthily implanting an idea into the minds of the masses. In fact, there?s an entire industry based on the use of language to inadvertently state an idea; it?s called marketing.

As such a fundamental part of the human experience, it is quite incredible to recognize mere oscillations of sound waves dictate the behavior of an entire society.

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Source: http://beingfeministblog.wordpress.com/2013/05/17/the-many-voices-of-language/

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Hold Syrian peace talks soon, says U.N. chief

By Darya Korsunskaya

SOCHI, Russia (Reuters) - A proposed international conference on Syria should be held as soon as possible, U.N. Secretary-General Ban Ki-moon said on Friday, but no date has yet been agreed for a meeting that appears to face growing obstacles.

Ban spoke as U.N. officials announced that the number of refugees fleeing the fighting in Syria, a conflict that has claimed the lives of 80,000 people over the past two years, had exceeded 1.5 million as conditions there deteriorate rapidly.

Western leaders have been cautious about the prospects of the talks achieving any breakthrough, and Russia's desire that Iran should attend could complicate matters because of potential opposition from the West. The main Syrian opposition, expected to decide its stance next week, has previously demanded President Bashar al-Assad's exit before any talks.

A rising death toll, new reports of atrocities by both sides, suspicion that chemical arms may have been used and the absence of prospects for a military solution have all pushed Washington and Moscow to agree to convene the conference.

"We should not lose the momentum," Ban said of the proposal to bring the Syrian government and opposition representatives to the conference table.

"There is a high expectation that this meeting should be held as soon as possible," he said after talks with Russian Foreign Minister Sergei Lavrov.

Lavrov agreed: "The sooner the better," he told a joint news conference with Ban, who was due to meet President Vladimir Putin later on Friday.

Iran is a U.S. foe and the main regional ally of Assad's government, which has also received crucial support from Russia.

"Moscow proceeds from the position that all the neighboring countries, Iran and Saudi Arabia, and the participants of the first Geneva conference, must be invited," Lavrov said, referring to an international meeting on Syria held last June.

Last year's Geneva talks produced an agreement that a transitional government should be created in Syria, but the United States and Russia disagreed over whether that meant Assad must leave power.

INNER CIRCLE

Moscow says his exit must not be a precondition for a political solution, but most Syrian opposition figures have ruled out talks unless Assad and his inner circle are excluded from any future transitional government.

Lavrov said opposition participation would be crucial.

"The main thing now is to understand who, from the Syrian sides, is ready to take part in this conference - without that, nothing will happen at all," he said.

"And the second task is to determine the circle of participants from other countries in addition to Syria."

In remarks published on Thursday, Lavrov said the West wanted to restrict the number of external participants in the conference, which could predetermine its outcome.

The United States said on Thursday that it was not ruling anyone in or out of the conference, while France voiced opposition to Iranian participation.

President Barack Obama said he reserved the right to resort to both diplomatic and military options to pressure Assad but U.S. action alone would not be enough to resolve the crisis.

Russia, with China, has opposed sanctions against Syria and blocked three Western-backed U.N. Security Council resolutions aimed to increase pressure on Assad during the conflict, which began in March 2011 with a crackdown on protests.

U.S. media reported that Russia had deployed naval ships to the eastern Mediterranean off Syria and also sent advanced missiles in a show of support for Assad.

Russia had sent a dozen or more warships to patrol waters near its naval base in the Syrian port of Tartus, a military outpost that gives Moscow a toehold in the Middle East, the wall Street Journal reported.

The New York Times said Russia had sent advance Yakhonts cruise missiles to Syria, which give the government a formidable weapon to deter foreign forces from any intervention.

(Reporting by Darya Korsunskaya; Writing by Steve Gutterman; Editing by Giles Elgood and Peter Graff)

Source: http://news.yahoo.com/hold-syrian-peace-talks-soon-says-u-n-112323626.html

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Five ways to tell if your streamed music service is radio ?or why ...

The news this morning is that Google is launching a music streaming subscription service called Google Play Music All Access to compete with the likes of Spotify and Microsoft?s Xbox Music. Initially to launch in the US, the Android based service will soon be rolled out in the UK and other countries.

It has been reported that Google have described All Access as ?Radio without rules?.

Being an inquisitive sort, I visited the Google Official Blog to try to find out why they felt able to make this claim. The only reference to radio I found was within a description of the service: ?You can create a radio station from any song or artist you love?? ? which suggests that listening to radio is the equivalent of listening to a playlist on iTunes or, in old money, sticking an album on the turntable.

Given that I work in radio and I?m proud of its uniqueness, I feel I have a right to be defensive when other media infer that they possess the same qualities purely because their offering is based around audio. This sort of lazy thinking ? particularly common in the tech world ? demonstrates a lack of understanding about what radio is and how it works for listeners.

So please allow me to clarify: Google?s All Access ? like Pandora, Spotify, or any other streamed music service ? is NOT radio, and it never will be.

Now I?m sure this is all just a simple misunderstanding, so to help tech companies developing similar services in the future, here?s my simple five point checklist to see if you qualify to use the term ?radio?:

1. Is your service a real-time linear stream of content edited by professionals?
2. Do you serve content other than just music (e.g. travel, traffic, weather)?
3. Are the different content elements linked by a human presenter?
4. Do your listeners ever get to hear from other listeners within the content stream?
5. Can the listener access all of this content with a single flick of a switch?

If you answered yes to the majority of these ? well, congratulations on being a radio content provider. From a commercial perspective, you also have the added advantage over streamed music services that your audience is more receptive to commercial messages as a natural component of the real-time linear flow.

If you answered ?no? to three or more of these, then I?m afraid you?re just a plain old streamed music service ? so please don?t pretend to be anything else!

Disclaimer: this check list is based purely on my personal experience and doesn?t pretend to be comprehensive ? if there are any other points you?d like to add I?d love to hear them. Similarly, if you think I?m being unfair on streamed services, please let me know why.

Source: http://mediablogged.mediaweek.co.uk/2013/05/16/five-ways-to-tell-if-your-streamed-music-service-is-radio-or-why-googles-all-access-isnt-radio-without-rules/

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A year after IPO, Facebook aims to be ad colossus

FILE - In this May 18, 2012, file photo, provided by Facebook, Facebook founder, Chairman and CEO Mark Zuckerberg, center, rings the opening bell of the Nasdaq stock market, from Facebook headquarters in Menlo Park, Calif. Amid the hype and excitement surrounding Facebook's initial public offering, there were looming doubts. Potential investors wondered whether the social network could continue growing its advertising revenue without alienating users. One year later, much has changed at Facebook in a year, including the addition of mobile advertisements, the launch of a search feature and the unveiling of a branded smartphone. (AP Photo/Nasdaq via Facebook, Zef Nikolla, File)

FILE - In this May 18, 2012, file photo, provided by Facebook, Facebook founder, Chairman and CEO Mark Zuckerberg, center, rings the opening bell of the Nasdaq stock market, from Facebook headquarters in Menlo Park, Calif. Amid the hype and excitement surrounding Facebook's initial public offering, there were looming doubts. Potential investors wondered whether the social network could continue growing its advertising revenue without alienating users. One year later, much has changed at Facebook in a year, including the addition of mobile advertisements, the launch of a search feature and the unveiling of a branded smartphone. (AP Photo/Nasdaq via Facebook, Zef Nikolla, File)

(AP) ? It was supposed to be our IPO, the people's public offering.

Facebook, the brainchild of a young CEO who sauntered into Wall Street meetings in a hoodie, was going to be bigger than Amazon, bigger than McDonald's, bigger than Coca-Cola. And it was all made possible by our friendships, photos and family ties.

Then came the IPO, and it flopped. Facebook's stock finished its first day of trading just 23 cents higher than its $38 IPO price. It hasn't been that high since.

Even amid the hype and excitement surrounding Facebook's May 18 stock market debut a year ago, there were looming doubts. Investors wondered whether the social network could increase advertising revenue without alienating users, especially those using smartphones and tablet computers.

The worries intensified just days before the IPO when General Motors said it would stop paying for advertisements on the site. The symbolic exit cast a shroud over Facebook that still exists. Facebook's market value is $63 billion, some two-thirds of what it was the morning it first began trading. At around $27 per share, the company's stock is down roughly 30 percent from its IPO price. Meanwhile, the Standard & Poor's 500 index is up 27 percent over the same period.

Despite its disappointing stock market performance, the company has delivered strong financial results. Net income increased 7 percent to $219 million in the most recent quarter, compared with the previous year, and revenue was up 38 percent to $1.46 billion.

The world's biggest online social network has also kept growing to 1.1 billion users. Some 665 million people check in every day to share photos, comment on news articles and play games. Millions of people around the world who don't own a computer use Facebook, in Malawi, Malaysia and Martinique.

And much has changed at Facebook in a year. The company's executives and engineers have quietly addressed the very doubts that dogged the company for so long. Facebook began showing mobile advertisements for the first time just after the IPO. It launched a search feature in January and unveiled a branded Facebook smartphone in April. The company also introduced ways for advertisers to gauge the effectiveness of their ads.

Even GM has returned as a paying advertiser.

Now, Facebook is looking to its next challenge: convincing big brand-name consumer companies that advertisements on a social network are as important ? and as effective ? as television spots.

"We aspire to have ads, to show ads that improve the content experience over time," Facebook CEO Mark Zuckerberg told analysts recently. "And if we continue making progress on this, then one day we can get there."

To achieve those aims, the company has rolled out tools to help advertisers target their messages more precisely than they can in print or on television. Companies can single out 18- to 24-year-old male Facebook users who are likely to buy a car in the next six months. They can target 30-year-old women who are researching Caribbean getaways.

Analytic tools like these weren't available a year ago. But last fall Facebook hired several companies that collect and analyze data related to people's online and offline behavior. Facebook's advertisers can now assess whether a Crest ad you saw on Facebook likely led you to buy of a tube of toothpaste in the drugstore. The services take what Facebook knows about you and what ads you saw and combine this with the information retailers have about you and what you've purchased through loyalty cards and the like.

Advertisers are also making use of Facebook's partnership with audience measurement firm Nielsen Co. Nielsen introduced a tool last fall that helps marketers discover "not only who saw their ad online and who saw their ad on TV, but also how these audiences match up," says David Wong, vice president at product leadership at Nielsen.

Sean Bruich, Facebook's head of measurement platforms and standards, believes the new tools are paying off.

"What we can see conclusively a year after the IPO is that ads on Facebook really do help drive people into the store and help them make purchasing decisions, help influence their purchasing decisions," he says.

A recent Nielsen analysis found that consumers are 55 percent more likely to recall "social ads" than traditional online ads.

So powerful is Facebook's new analytic arsenal that privacy advocates are growing concerned about the potential intrusiveness of merging consumers' online and offline experiences.

People "are getting served ads based on things they didn't put on Facebook and maybe wouldn't be comfortable putting on Facebook," says Rainey Reitman, activism director at the Electronic Frontier Foundation, a nonprofit civil-liberties firm. Facebook says mechanisms are in place to protect privacy.

"We've never had anything like Facebook," Reitman says. "We've never had an entity that was able to collect so much information on so much of the world's population, ever."

Advertisers aren't complaining.

"Anywhere that more than a billion people spend time with their friends each month is extremely valuable to us," says Brad Ruffkess, connection strategist at Coca-Cola.

At Procter and Gamble, the world's biggest advertiser, "we saw almost from the start that social media is the world's largest focus group," says Marc Pritchard, the company's global brand building officer.

Both companies are important advertisers on Facebook and members of the company's client council, a group of more than a dozen brands and ad agencies that have met regularly with Facebook executives since 2011 to talk about advertising and marketing on the site. Other members include Unilever, AT&T, Walmart and GroupM North America, a subsidiary of advertising agency giant WPP.

Still, some advertisers remain skeptical. Ryan Holiday, director of marketing at American Apparel, is critical of Facebook's "sponsored stories." These are messages from marketers that are interwoven into users' news feeds. He says the clothing company spends less than 10 percent of its online advertising budget with Facebook.

One thing is increasingly clear: The future belongs to mobile advertising. And just a year ago, Facebook warned investors it was behind in capturing this market. In response, Facebook retrained engineers and rebuilt its mobile applications, which users complained were clunky. Now, there's an explosion in the number of ads shoehorned in between status updates and cat photos.

"The transition to mobile happened even faster than we believed," says Carolyn Everson, vice president of global marketing solutions at Facebook.

In the first three months of 2013, Facebook generated $375 million in revenue from mobile ads, about 30 percent of its total ad revenue. That's impressive given that Facebook had no mobile ads at all just a year ago.

And there's room to grow. Research firm eMarketer estimates that U.S. mobile advertising spending will grow to $7.29 billion this year, up fivefold from 2011. Facebook is expected to capture some 13 percent of the market, a distant second behind Google at nearly 55 percent, according to eMarketer. By 2015, the mobile ad market is expected to hit $16.2 billion.

Facebook's stronger grasp of mobile advertising helped get General Motors back.

"Mobile was something GM was particularly passionate about," says Everson, who joined Facebook two years ago from Microsoft Corp., where she headed global ad sales.

Everson says she sees Facebook as a future advertising empire. The goal is to help companies achieve so-called cross-platform marketing and target people with ads wherever they might be ? in front of smartphones, tablets or TV sets.

"A lot of people might argue that TV is the first screen and mobile is the companion screen," she says. Her take: Mobile is now the first screen. And Facebook's hope is that advertisers will soon see it this way, too.

"Your customer is walking around with the most personal device they've ever had every single day, checking it 12 to, you know, more than 24 times a day depending on the market," Everson says. "This is a mass medium."

At the end of last year, 87 percent of Americans owned a cellphone and nearly half owned a smartphone, according to the Pew Internet & American Life Project. Worldwide, research firm Gartner puts the size of the mobile phone market at 4.4 billion, enough to give one phone to nearly two-thirds of the world's population.

Of course, television still accounts for the biggest slice of worldwide ad spending, and nearly 96 percent of American households own a TV set. ZenithOptimedia, a forecaster owned by the ad agency Publicis Groupe SA, says television accounted for 40 percent of worldwide ad spending, compared with the Internet's share of 18 percent. By 2015, the Internet is expected to grow its share to more than 23 percent, but largely at the expense of newspapers and magazines. TV is expected to hold steady.

"On any given day in the U.S. alone, you can reach 100 million people on mobile," Everson says. "Those numbers are not seen across any TV or print opportunity. I think it's going to take hold, this message."

___

Find Barbara Ortutay on Twitter at https://twitter.com/BarbaraOrtutay

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/f70471f764144b2fab526d39972d37b3/Article_2013-05-17-Facebook-One%20Year%20Later/id-198aff7f425f4df1b086c1db59d58459

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Problems surface over Ariz.'s 2007 immigration law

FILE - In this Nov. 1, 2011 photo, Maricopa County Sheriff Joe Arpaio speaks to the media after his deputies conducted a raid at a printing company in Phoenix, arresting six suspects out of 17 they were allegedly looking for. The immigration debate in Arizona reached a boiling point when the state passed a groundbreaking law in 2007 targeting those often blamed with fueling the nation's border woes: Employers who hire immigrants living in the U.S. illegally. It marked a bold step, but an examination of the law by The Associated Press found that it has done little to crack down on problematic employers. (AP Photo/Ross D. Franklin, File)

FILE - In this Nov. 1, 2011 photo, Maricopa County Sheriff Joe Arpaio speaks to the media after his deputies conducted a raid at a printing company in Phoenix, arresting six suspects out of 17 they were allegedly looking for. The immigration debate in Arizona reached a boiling point when the state passed a groundbreaking law in 2007 targeting those often blamed with fueling the nation's border woes: Employers who hire immigrants living in the U.S. illegally. It marked a bold step, but an examination of the law by The Associated Press found that it has done little to crack down on problematic employers. (AP Photo/Ross D. Franklin, File)

(AP) ? The immigration debate in Arizona reached a boiling point in 2007 when the state passed a groundbreaking law targeting those often blamed with fueling the nation's border woes: Employers who hire immigrants living in the U.S. illegally.

The law marked a bold step by a state into an area that had long been the domain of the federal government, and it paved the way for Arizona's landmark 2010 immigration law. It also represented a key moment in the immigration battles that continue today as Congress mulls a proposed overhaul of the immigration system.

But an examination of the law by The Associated Press found that it has done little to crack down on problematic employers. Only three of the state's 147,000 employers have been brought to civil court on illegal hiring allegations, while several hundred employees who are living in the U.S. illegally have been arrested under a section of the law that made it a felony to use fake or stolen IDs to get jobs.

While the law has been upheld by the U.S. Supreme Court and hailed as a tool for states to confront illegal immigration, it has faced several problems:

? Hundreds of immigrant workers arrested under the law have spent months in jail on ID theft charges, while only two businesses ? a sandwich shop and now-defunct amusement park ? had their business licenses suspended for several days. The case against the third business, a custom furniture maker, is still pending.

? A high legal standard for proving violations by businesses and a lack of subpoena power in getting employment records are almost insurmountable barriers to making cases against employers.

? Maricopa County Sheriff Joe Arpaio's office is the only police agency in the state that has raided businesses in enforcement of the employment law. It has arrested hundreds of workers in 72 business raids since 2008. The office has since been accused by the U.S. Justice Department of discriminating against Latino workers, allegations the sheriff denies.

? Despite the small number of cases against employers, the county prosecutor's office in metropolitan Phoenix has spent $4.5 million since 2008 investigating businesses suspected of hiring workers who aren't in the country legally and to pursue criminal ID theft cases against employees. Nearly a third of the money ? $1.4 million ? was given by the prosecutor's office to Arpaio's agency to investigate such cases.

Backers contend the enforcement numbers tell only a piece of the story. They say the law has helped combat identity theft and prompted immigrants living in the country illegally to leave Arizona. They also believe that the fear of business raids has caused employers to follow the rules.

"We are never going to get 100 percent compliance, but we have made a difference," said former Arizona Senate President Russell Pearce, the driving force behind the employment law and the state's 2010 immigration law that requires police officers, while enforcing other laws, to question people's immigration status if they are suspected of being in the country illegally.

The number of immigrants living in Arizona without permission to be in the U.S. declined by 200,000 from 2008 to January 2011, when the total estimated number stood at 360,000, according to a U.S. Department of Homeland Security report. While the law's backers say the decrease shows the state's immigration laws are working, other factors contributed to immigrants leaving the state, such a construction industry that hemorrhaged jobs during that period.

Democratic state Sen. Steve Gallardo of Phoenix, an opponent of the law, said the imbalance in the number of cases against employers versus workers is a reflection of legislators who wanted to appear tough on illegal immigration but gave employers plenty of wiggle room.

"You have an employer sanctions law that doesn't go after the employers," Gallardo said. "We should call it the employee sanctions law."

More than 500 immigrants who weren't authorized to be in the country have been arrested on charges of using forged documents or stolen identities to get jobs at businesses raided by Arpaio's office since 2008. An unknown number of additional ID theft arrests were made by other police agencies, which don't raid businesses in enforcing the law but make cases when people complain that their identity has been stolen.

Lawyers for immigrants accused of ID theft say their clients used fake or stolen identities to get jobs, not to rack up debt under another person's name. Their clients spend months in jail without the chance of getting a bond set, because a voter-approved law denies bail to people who aren't in the country legally and are charged with serious felonies, such as murder, sexual assault and aggravated identity theft.

Immigrants desperate to earn money to support their families often plead guilty to felony charges to get out of jail, walking away with time-served but often facing deportation and unable to ever again enter the U.S. legally, their lawyers said.

The law's backers say illegal immigrants who steal identities to get jobs are still committing a crime. Maricopa County Attorney Bill Montgomery, the top prosecutor for the state's most populous county, said identity theft victims may get a letter saying they owe back taxes for jobs they've never held, could have problems getting loans and face hassle in untangling the mess.

While most of the ID theft cases end in guilty pleas, one case that went to trial last year ended with an acquittal, even though the man from Costa Rica told jurors he used someone else's Social Security number to get a job.

Walter Flores-Garcia, a 47-year-old concrete company worker, told jurors that he didn't return to Costa Rica after he overstayed his visa because his daughter wouldn't get the same type of treatment for her cerebral palsy back home. He also told jurors he used someone else's information on work documents to get a job and had no intention to defraud the true Social Security number holder.

Jury forewoman Marilee Avina said jurors concluded Flores-Garcia wasn't leeching off others and took all possible steps to be legitimate. "One specific juror said, 'This could have been me,'" Avina said.

The chief difficulty in making cases against employers is that it's not enough to prove a business hired an illegal immigrant. To prove a case, prosecutors say they need a confession from an owner or hiring manager, or a recording of an owner admitting to breaking the law ? all of which are difficult to come by.

Another barrier is the law doesn't give prosecutors civil subpoena power to make suspected violators hand over records while the case is being investigated.

Business owners say the law puts them in a tight spot. They note they aren't document experts, and insist they would open themselves up to civil rights lawsuits if they were to inquire too deeply into whether a prospective employee is in the country legally.

"It's not the employer's job to be the Border Patrol," said Marion "Mac" Magruder, an opponent of the law who runs a human resource business and grew so frustrated with Arpaio raids that he resigned as a volunteer in one of the sheriff's posses.

The sheriff stands by his raids and fake ID arrests, saying there's no rationalization for stealing a person's identity and that his officers aren't raiding businesses with the goal of seeing if workers are here illegally.

"I am going in there to lock these people up. They just happen to be here illegally. That doesn't change that they are violating the law with fake IDs," Arpaio said.

The sheriff said he's bothered that so few employers have been brought to court and called the law's penalties for employers weak. "I would love to catch the employers," Arpaio said.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/386c25518f464186bf7a2ac026580ce7/Article_2013-05-17-Arizona%20Immigration-Employers/id-2ff540e59630479f812a2764a08cd6ee

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